HP LaserJet 3052 Service Manual
HP LaserJet 3052 - All-in-One Printer Manual
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HP LaserJet 3052 manual content summary:
- HP LaserJet 3052 | Service Manual - Page 1
HP LaserJet 3050/3052/3055 All-in-One Service Manual - HP LaserJet 3052 | Service Manual - Page 2
- HP LaserJet 3052 | Service Manual - Page 3
HP LaserJet 3050/3052/3055 All-in-One Service Manual - HP LaserJet 3052 | Service Manual - Page 4
Copyright Hewlett-Packard Development Company, LP Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. The information contained in this document is subject to change without notice. The only warranties for HP products - HP LaserJet 3052 | Service Manual - Page 5
...7 HP LaserJet 3052/3055 all-in-one parts 8 Front view ...8 Back view ...9 Interface ports ...9 Control panel ...10 Model and serial numbers 11 Software installation ...12 Typical installation ...12 Minimum installation ...12 Printer drivers ...13 Supported printer drivers 13 Additional drivers - HP LaserJet 3052 | Service Manual - Page 6
glass and the ADF scanner glass (HP LaserJet 3052/3055 all-inone) ...42 To clean the lid backing (HP LaserJet 3052/3055 all-in-one 43 To clean the ADF pickup-roller assembly (HP LaserJet 3052/3055 all-in-one 44 Cleaning the paper path ...47 To clean the paper path from HP ToolboxFX 47 To clean - HP LaserJet 3052 | Service Manual - Page 7
Sequence of operation, HP LaserJet 3050 all-in-one scanner 65 Sequence of operation, HP LaserJet 3052/3055 all-in-one scanner 66 Sequence of operation, HP LaserJet 3050/3052/3055 all-in-one printer (product base 68 HP LaserJet 3050/3052/3055 all-in-one timing diagram-printer (product base) ...69 - HP LaserJet 3052 | Service Manual - Page 8
79 Print cartridge ...80 Printer (product base) paper-feed system 80 Jam detection in the all-in-one 82 Conditions of jam detection 82 HP LaserJet 3050 all-in-one unique components 83 Basic operation ...83 ADF pickup-and-feed system 85 Optical scanning system 87 HP LaserJet 3052/3055 all-in - HP LaserJet 3052 | Service Manual - Page 9
flag ...142 ADF pickup roller and load-arm assembly (HP LaserJet 3052/3055 all-in-one 143 ADF scanner glass ...146 Scanner assembly ...148 Printer (product base) ...156 Printer separation pad ...157 Print cartridge ...158 Printer pickup roller ...159 Installing the scanner cushions 162 Media input - HP LaserJet 3052 | Service Manual - Page 10
To redistribute the toner in the print cartridge 223 Solving print image-quality problems 224 Print image-quality solutions 224 Scan/copy image-quality problems 232 Scan/copy image-quality solutions 232 ADF problems ...239 Fax troubleshooting (HP LaserJet 3050/3055 all-in-one 240 General fax - HP LaserJet 3052 | Service Manual - Page 11
Component locations, HP LaserJet 3050/3052/3055 all-in-one printer (product base) ...288 Main wiring ...291 Formatter PCA and LIU connectors 295 HP LaserJet 3050 all-in-one scanner assembly 298 ADF components, HP LaserJet 3050 all-in-one 300 Guide assembly, HP LaserJet 3050 all-in-one 304 ENWW - HP LaserJet 3052 | Service Manual - Page 12
, HP LaserJet 3052/3055 all-in-one 308 Scanner components, HP LaserJet 3052/3055 all-in-one 310 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one 314 External covers, printer (product base 316 Formatter and LIU ...318 Internal components, printer (product base 320 Alphabetical parts - HP LaserJet 3052 | Service Manual - Page 13
Laser safety statement ...366 Canadian DOC statement 366 Korean EMI statement ...366 Finnish laser statement ...367 Index ...369 ENWW xi - HP LaserJet 3052 | Service Manual - Page 14
xii ENWW - HP LaserJet 3052 | Service Manual - Page 15
Guide assembly, HP LaserJet 3050 all-in-one 305 Table 7-12 Scanner assembly, HP LaserJet 3052/3055 all-in-one 307 Table 7-13 Major assemblies, HP LaserJet 3052/3055 all-in-one 309 Table 7-14 Scanner components, HP LaserJet 3052/3055 all-in-one 311 Table 7-15 Printer (product base), HP LaserJet - HP LaserJet 3052 | Service Manual - Page 16
...348 Table A-2 Electrical specifications ...348 Table A-3 Power consumption (average, in watts 349 Table A-4 Environmental specifications ...349 Table A-5 Acoustic emissions (HP LaserJet 3050 all-in-one 350 Table A-6 Acoustic emissions (HP LaserJet 3052/3055 all-in-one 350 xiv ENWW - HP LaserJet 3052 | Service Manual - Page 17
removal order for the HP LaserJet 3052/3055 all-in-one 104 Figure 5-4 Parts removal order for the printer (product base, all models 105 Figure 5-5 Parts removal order, HP LaserJet 3050 all-in-one scanner assembly 106 Figure 5-6 Removing the link assemblies and scanner support-frame springs (1 of - HP LaserJet 3052 | Service Manual - Page 18
top-cover assembly (2 of 2 129 Removing the pickup roller (1 of 2 130 Removing the pickup roller (2 of 2 130 Removing the white platen (1 of 2 131 Removing the white platen (2 of 2 131 Parts removal order, HP LaserJet 3052/3055 all-in-one scanner assembly 132 Removing the ADF input tray ...132 - HP LaserJet 3052 | Service Manual - Page 19
Removing the scanner assembly (13 of 13 155 Figure 5-85 Parts removal order for the printer (product base, all models 156 Figure 5-86 Removing the printer separation pad (1 of 2 157 Figure 5-87 Removing the printer separation pad (2 of 2 157 Figure 5-88 Removing the print cartridge (1 of 2 158 - HP LaserJet 3052 | Service Manual - Page 20
Figure 7-13 Guide assembly, HP LaserJet 3050 all-in-one 304 Figure 7-14 Scanner assembly, HP LaserJet 3052/3055 all-in-one 306 Figure 7-15 Major assemblies, HP LaserJet 3052/3055 all-in-one 308 Figure 7-16 Scanner components, HP LaserJet 3052/3055 all-in-one 310 Figure 7-17 Printer (product base - HP LaserJet 3052 | Service Manual - Page 21
1 Product information ● All-in-one configurations ● All-in-one features ● All-in-one parts ● Software installation ● Choosing paper and other print media ENWW 1 - HP LaserJet 3052 | Service Manual - Page 22
in the following configurations. HP LaserJet 3050 all-in-one HP LaserJet 3050 all-in-one printer, fax, copier, scanner ● Prints letter-size pages at speeds up to 19 pages per minute (ppm) and A4-size pages at speeds up to 18 ppm ● PCL 5e and PCL 6 printer drivers and HP postscript level 3 emulation - HP LaserJet 3052 | Service Manual - Page 23
HP LaserJet 3052/3055 all-in-one HP LaserJet 3052 all-in-one printer, scanner, copier ● Prints letter-size pages at speeds up to 19 ppm and A4size pages at speeds up to 18 ppm ● PCL 5e and PCL 6 printer drivers and HP postscript level 3 emulation ● The priority input slot holds up to 10 pages. ● - HP LaserJet 3052 | Service Manual - Page 24
efficient scan jobs with multiple-page documents. Networking (HP LaserJet 3052/3055 all-in-one only) Printer-driver features Automatic languageswitching Interface connections Environmental features Economical printing Supplies Accessibility For more information, see the online user guide. ● TCP - HP LaserJet 3052 | Service Manual - Page 25
parts Before using the all-in-one, familiarize yourself with its parts. HP LaserJet 3050 all-in-one parts Front view 5 4 6 3 7 2 8 1 1 Tray 1 2 Priority input slot 3 Output bin 4 ADF output bin 5 ADF input tray 6 ADF media lever 7 Control panel 8 Cartridge-door release ENWW All-in-one parts - HP LaserJet 3052 | Service Manual - Page 26
Back view 10 11 9 12 9 Interface ports 10 Security-lock slot 11 Power switch 12 Power receptacle Interface ports 1 2 1 Hi-Speed USB 2.0 port 2 Fax ports 6 Chapter 1 Product information ENWW - HP LaserJet 3052 | Service Manual - Page 27
. Use these controls to change commonly used default settings and to start copying. For information about copying, see the online user guide. 5 Scan controls. Use these controls to scan to e-mail or to a folder. For information about scanning, see the online user guide. ENWW All-in-one parts 7 - HP LaserJet 3052 | Service Manual - Page 28
HP LaserJet 3052/3055 all-in-one parts Front view 4 5 3 6 2 1 7 1 Media input tray (tray 1) 2 Priority input slot 3 Output bin 4 Automatic document feeder (ADF) input tray 5 ADF output bin 6 Control panel NOTE The control panel for the HP LaserJet 3055 all-in-one, with fax controls, is shown. - HP LaserJet 3052 | Service Manual - Page 29
The HP LaserJet 3052/3055 all-in-one has two interface ports: a 10/100Base-T (RJ-45) network port and a Hi-Speed USB 2.0 port. The HP LaserJet 3055 all-in-one also has fax ports. 1 2 3 1 Network port 2 Hi-Speed USB 2.0 port 3 Fax ports (HP LaserJet 3055 all-in-one only) ENWW All-in-one parts 9 - HP LaserJet 3052 | Service Manual - Page 30
panel 1 2 3 45 1 Fax controls (HP LaserJet 3055 all-in-one only; the HP LaserJet 3052 all-in-one does not have fax controls). Use the fax controls to change commonly used fax settings. For information about using the fax controls, see the online user guide. 2 Alphanumeric buttons. Use the - HP LaserJet 3052 | Service Manual - Page 31
and production number of the all-in-one. The label also contains power-rating and regulatory information. HEWLETT-PACKARD Numero reglementaire du modele 11311 CHINDEN de Chine NYCE SITE:MX2 >PET< Figure 1-1 HP LaserJet 3050/3052/3055 all-in-one identification label ENWW All-in-one parts 11 - HP LaserJet 3052 | Service Manual - Page 32
[PS]) ● HP Director (Macintosh) ● HP All-in-One Setup Assistant (Macintosh) Minimum installation The following software is included with a minimum installation: ● PCL 6 printer driver ● HP LaserJet Scan program and driver ● HP LaserJet Fax setup utility NOTE Minimum installation supports faxing from - HP LaserJet 3052 | Service Manual - Page 33
UNIX® model scripts ● Linux drivers ● Windows XP 64-bit drivers You can obtain Model Scripts for UNIX and Linux by downloading them from the Internet or by requesting them from an HP-authorized service or support provider. For Linux support see www.hp.com/go/linux. For UNIX support see www.hp.com/go - HP LaserJet 3052 | Service Manual - Page 34
PostScript Level 3 needs, or for PS flash font support. NOTE The all-in-one automatically switches between PS and PCL printer languages. Printer-driver Help (Windows) The printer-driver Help is separate from program Help. The printer-driver Help provides explanations for the buttons, check boxes - HP LaserJet 3052 | Service Manual - Page 35
. On the Printers menu, click Show Info. Click the Installable Options menu. What other software is available? The all-in-one CDs include the HP scanning software. See the readme file on the all-in-one CD for additional included software and for supported languages. ENWW Software installation 15 - HP LaserJet 3052 | Service Manual - Page 36
install the software for Windows, you can directly connect the all-in-one to a computer by using a USB cable, or you can connect the all-in-one to the network (HP LaserJet 3052/3055 all-in-one only) by using the internal print server. See the getting started guide for installation instructions, and - HP LaserJet 3052 | Service Manual - Page 37
3. Scroll through the list of software programs and click HP LaserJet 3050/3052/3055 all-in-one. 4. Click Remove. ENWW Software installation 17 - HP LaserJet 3052 | Service Manual - Page 38
use Macintosh Configure Device. To view Macintosh Configure Device when the all-in-one is directly connected to the computer NOTE The embedded Web server (EWS) is only available for the HP LaserJet 3052/3055 allin-one when using an operating system other than the Macintosh operating system. If you - HP LaserJet 3052 | Service Manual - Page 39
HP LaserJet 3050/3052/3055 all-in-one CD for Macintosh. Installing software for Macintosh Installing Macintosh printing system software for direct connections (USB) This section explains how to install the printing system software for Mac OS X V10.3 and Mac OS X V10.4. The Apple PostScript driver - HP LaserJet 3052 | Service Manual - Page 40
Installing Macintosh printing system software for networks To install printer drivers for Mac OS X V10.3 and Mac OS X V10.4 1. Connect the network cable between the HP LaserJet 3052/3055 all-in-one and a network port. 2. Insert the CD into the CD-ROM drive, and then double-click the CD icon on the - HP LaserJet 3052 | Service Manual - Page 41
that are designed for use with HP LaserJet printers. Inkjet and monochrome transparencies are not supported for the all-in-one. Table 1-1 Priority input slot specifications, HP LaserJet 3050/3052/3055 all-in-one Media Dimensions1 Weight Capacity2 Paper Minimum: 76 x 127 mm (3 x 5 inches) 60 - HP LaserJet 3052 | Service Manual - Page 42
and custom sizes of print media. Check the printer driver for supported sizes. 2 Capacity can vary depending on the media weight and thickness, and environmental conditions. Table 1-3 ADF specifications, HP LaserJet 3050 all-in-one Media Dimensions Weight or thickness Capacity Minimum size - HP LaserJet 3052 | Service Manual - Page 43
NOTE When faxing, copying, or scanning using the HP LaserJet 3052/3055 all-in-one, use the flatbed scanner if the original is fragile, thin, thick, too small for the ADF, or a photograph. Also use the flatbed scanner for the fit-to-page copying feature. The flatbed scanner provides the best fax, - HP LaserJet 3052 | Service Manual - Page 44
24 Chapter 1 Product information ENWW - HP LaserJet 3052 | Service Manual - Page 45
2 Operation ● Site preparation ● Unpacking ● Installing input devices ● Installing the print cartridge ● Loading media into the input trays ENWW 25 - HP LaserJet 3052 | Service Manual - Page 46
Site preparation Prepare the location Place the all-in-one on a sturdy, level surface in a well-ventilated i0n6chmesm) 430 mm (16.9 inches) Figure 2-1 HP LaserJet 3050 all-in-one dimensions (19.469i7ncmhmes) Figure 2-2 HP LaserJet 3052/3055 all-in-one dimensions 26 Chapter 2 Operation 393 mm (15.5 - HP LaserJet 3052 | Service Manual - Page 47
Minimum system requirements ● Windows® 2000 ● Windows XP ● Windows Millennium Edition (Me) ● Windows Server 2000 ● Windows 98 ● Mac OS X V10.3 and later ● 128 MB RAM for Windows operating systems ● 32 MB RAM for Macintosh operating systems ● 250 MB hard-disk space (full installation) ● CD-ROM drive - HP LaserJet 3052 | Service Manual - Page 48
cord 3 Fax cord 4 Media input tray (tray 1) 5 Software and the online user guide on CD 6 Start guide and support flyer 7 ADF input tray 8 Output bin support 9 ADF output support 10 HP LaserJet 3050 all-in-one printer, fax, copier, scanner 11 Control-panel overlay (if not already - HP LaserJet 3052 | Service Manual - Page 49
ADF input tray 2 HP LaserJet 3052 all-in-one printer, scanner, copier or HP LaserJet 3055 all-in-one printer, fax, copier, scanner 3 Power cord 4 Fax cord (HP LaserJet 3055 all-in-one only) 5 Print cartridge 6 Start guide and support flyer 7 Software and online user guide on CD 8 Media - HP LaserJet 3052 | Service Manual - Page 50
the output bin support 1. Insert the pin on one side of the support into the hole in the all-in-one. 2. Flex the pin on the other side inward, and insert it into the hole. 1 2 To install the ADF output support (HP LaserJet 3050 all-in-one only) 1. Insert the pin on one side of the support into the - HP LaserJet 3052 | Service Manual - Page 51
tabs on the input tray with the two grooves in the ADF lid. 2. Slide the tray into the grooves until the tray snaps into place. HP LaserJet 3050 HP LaserJet 3052/3055 ENWW Installing input devices 31 - HP LaserJet 3052 | Service Manual - Page 52
Installing the print cartridge To install the print cartridge 1. Press the cartridge-door release to open the print-cartridge door. HP LaserJet 3050 HP LaserJet 3052/3055 2. Remove the print cartridge from its packaging, and then rock the cartridge gently five or six times. 3. Bend the plastic - HP LaserJet 3052 | Service Manual - Page 53
dry them. Hot water or heat from a dryer sets the toner in the fabric. NOTE Hewlett-Packard Company cannot recommend using non-HP print cartridges, whether they are new, refilled, or remanufactured. Because they are not HP products, HP cannot influence their design or control their quality. ENWW - HP LaserJet 3052 | Service Manual - Page 54
information. Loading documents to fax, copy, or scan Use these instructions to load originals into the all-in-one for scanning. For the best quality scans, use the flatbed scanner. To load originals onto the flatbed scanner (HP LaserJet 3052/3055 all-in-one only) 1. Make sure that the ADF contains - HP LaserJet 3052 | Service Manual - Page 55
move any farther. HP LaserJet 3050 HP LaserJet 3052/3055 Document Loaded appears on the control-panel display. 3. Adjust the media guides until they are snug against the media. HP LaserJet 3050 4. The document is now ready to be faxed/copied/scanned. HP LaserJet 3052/3055 ENWW Loading media - HP LaserJet 3052 | Service Manual - Page 56
jams and skewing, always adjust the side media guides before feeding the media. 250-sheet input tray (tray 1) up to 250 pages of 80 g/m2 or 20 lb paper, or fewer pages of heavier media (25 mm [0.9 and skewing, always adjust the side and rear media guides. NOTE When you add new media, make sure that - HP LaserJet 3052 | Service Manual - Page 57
3 Maintenance ● Managing supplies ● Cleaning the all-in-one ● Calibrating the scanner ● Managing and maintaining the all-in-one ENWW 37 - HP LaserJet 3052 | Service Manual - Page 58
name Description Part number HP LaserJet 3050/3052/3055 all-in-one 10,000 pages-per-month NA Black print cartridge1 50,000 pages lifetime Average yield for the standard print cartridge is approximately Q2612A 2,000 pages. Actual yield depends on use. Separation pad and pickup rollers Replace - HP LaserJet 3052 | Service Manual - Page 59
and load-arm assembly (HP LaserJet 3052/3055 all-in-one) For information about how to install pickup roller and load-arm assembly, see ADF pickup roller and load-arm assembly (HP LaserJet 3052/3055 all-in-one) on page 143. HP policy on non-HP supplies Hewlett-Packard Company cannot recommend the - HP LaserJet 3052 | Service Manual - Page 60
the exterior Use a soft, damp, lint-free cloth to wipe dust, smudges, and stains off of the exterior of the all-in-one. To clean the ADF scanner glass and white platen (HP LaserJet 3050 all-in-one) Over time, specks of debris might collect on the ADF scanner glass and white platen, which can affect - HP LaserJet 3052 | Service Manual - Page 61
Clean the ADF scanner glass and the white platen with a soft cloth or sponge that has been moistened with nonabrasive glass cleaner. CAUTION Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon tetrachloride on any part of the all-in-one; these can damage the all-in-one. Do not - HP LaserJet 3052 | Service Manual - Page 62
the flatbed glass and the ADF scanner glass (HP LaserJet 3052/3055 all-in-one) Dirty glass, from fingerprints, smudges part of the all-in-one; these can damage the all-in-one. Do not place liquids directly on the glass. They might seep under it and damage the all-in-one. 3. Clean the ADF scanner - HP LaserJet 3052 | Service Manual - Page 63
HP LaserJet 3052/3055 all-in-one) Minor debris can accumulate on the white document lid backing that is located underneath the all-inone lid. 1. Turn off the all-in-one backing by using a chamois or soft cloth. CAUTION Do not use paper-based wipes, because they might scratch the backing. 5. If this - HP LaserJet 3052 | Service Manual - Page 64
To clean the ADF pickup-roller assembly (HP LaserJet 3052/3055 allin-one) If the ADF has trouble feeding documents, you can clean the ADF pickup-roller assembly. 1. Turn off the all-in-one and unplug the power cord. 2. Open the ADF cover. 3. Press the round green button while lifting the green lever - HP LaserJet 3052 | Service Manual - Page 65
is away from you. 6. Lower the green lever until the flat green part fits in between the rollers. Press down on the green lever until you for correct installation, lift the green lever until it remains open. The pickup-roller assembly should be secured to the lever assembly and should not fall out - HP LaserJet 3052 | Service Manual - Page 66
9. Lower the green lever assembly and close the ADF cover. 10. Plug in the all-in-one, and then turn it on. 46 Chapter 3 Maintenance ENWW - HP LaserJet 3052 | Service Manual - Page 67
time, this buildup can cause print-quality problems such as toner specks or smearing. This all-in-one has a cleaning mode that can correct and prevent these types of problems. To clean the paper path from HP ToolboxFX Use HP ToolboxFX to clean the paper path. This is the recommended cleaning method - HP LaserJet 3052 | Service Manual - Page 68
To clean the paper path from the all-in-one control panel If you do not have access to HP ToolboxFX, you can print and use a cleaning page from the all-in-one control panel. 1. Press Menu. 2. Use the < or the > button to find the Service menu, and then press . 3. Use the < or the > button to - HP LaserJet 3052 | Service Manual - Page 69
the scanner The scanner calibrates itself automatically at the start of scan of copy jobs. Normally, you do not need to initiate the calibration, but you can initiate the calibration through the secondary service menu and produce a report that shows the calibration results. See Secondary service - HP LaserJet 3052 | Service Manual - Page 70
-in-one memory. These pages help you to diagnose and solve problems with the all-in-one. NOTE If the all-in-one language was not correctly set during installation, you can set the language manually so that the information pages print in one of the supported languages. Change the language by using HP - HP LaserJet 3052 | Service Manual - Page 71
Config report, and then press . hp LaserJet 3055 Self Test / Configuration 1 5 2 6 3 7 4 8 Figure 3-1 Sample configuration page 1. Product Information. This section contains basic information about the all-in-one, such as the product name and the serial number. 2. Memory. This section lists - HP LaserJet 3052 | Service Manual - Page 72
7. Print Settings. This section contains information about all-in-one settings that are configured in the printer driver or in HP ToolboxFX. 8. Status Log. This section contains information about all-in-one errors. A second page also prints. On that page, the Fax Settings section provides details - HP LaserJet 3052 | Service Manual - Page 73
tray or on your desktop, double-click the HP ToolboxFX icon. ● On the Windows Start menu, click Programs (or All Programs in Windows XP), click HP, click HP LaserJet 3050/3052/3055 all-in-one, and then click HP ToolboxFX. The HP ToolboxFX software contains the following sections, which are described - HP LaserJet 3052 | Service Manual - Page 74
you correct a problem with the all-in-one, click Refresh Status to update the all-in-one status. ● Supplies status. View all-in-one supplies status information. ● Device Configuration. View a detailed description of the current all-in-one configuration, including the amount of memory installed and - HP LaserJet 3052 | Service Manual - Page 75
HP ToolboxFX Fax tab to perform fax tasks from the computer. The Fax tab contains links to the following main pages: ● Fax Tasks. Perform such tasks as sending a fax or clearing the fax memory, or set the fax-receive mode. ● Fax Phone Book. Add, edit, or delete entries in the all-in-one windows, - HP LaserJet 3052 | Service Manual - Page 76
in Lotus Notes, Outlook, or Outlook Express, click Import Phone Book. Select the appropriate software program, navigate to the appropriate file, and then click OK. You can also select individual effect. For more information about faxes, see the online user guide. 56 Chapter 3 Maintenance ENWW - HP LaserJet 3052 | Service Manual - Page 77
HP ToolboxFX Documentation tab contains links to the following main pages: ● Troubleshooting ● How Do I? View the How Do I? Help for help with specific tasks. ● Animated demonstrations ● User Guide. View information about the all-in-one usage, warranty, specifications, and support. The user guide - HP LaserJet 3052 | Service Manual - Page 78
settings The HP ToolboxFX System Settings tab contains links to the following main pages: ● Device information. Change the device information settings for the all-in-one. ● Paper handling. Change the all-in-one paper-handling settings, such as default paper size and default paper type. ● Print - HP LaserJet 3052 | Service Manual - Page 79
click Apply before your changes take effect. Service During the printing process, paper, toner, and dust particles can accumulate inside the all-in-one. Over time, this buildup can cause print-quality problems such as toner specks or smearing. HP ToolboxFX provides an easy method for cleaning the - HP LaserJet 3052 | Service Manual - Page 80
the ability to receive faxes to this computer, and scanning by using the Scan To button. To turn device polling on, do both of the following: ● Clear Turn off device polling in HP ToolboxFX. ● Turn on one of the disabled device-polling features in HP ToolboxFX. NOTE You must click Apply before your - HP LaserJet 3052 | Service Manual - Page 81
from the computer NOTE You must perform a complete software installation to use Macintosh Configure Device. ● Check the all-in-one status and print information pages. ● Check and change all-in-one system settings. ● Check default print settings. ● Check and change fax settings, including fax send - HP LaserJet 3052 | Service Manual - Page 82
Embedded Web server NOTE The embedded Web server (EWS) is only available for the HP LaserJet 3052 all-in-one and the HP LaserJet 3055 all-in-one when you are using an operating system other than the Macintosh operating system. If you are using the Macintosh operating system, the EWS is available - HP LaserJet 3052 | Service Manual - Page 83
Theory of operation ● Basic operation ● Formatter system ● Printer (product base) functions ● HP LaserJet 3050 all-in-one unique components ● HP LaserJet 3052/3055 all-in-one unique components ● Fax functions and operation (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) ENWW 63 - HP LaserJet 3052 | Service Manual - Page 84
a functional overview of the HP LaserJet 3050/3052/3055 all-in-one. The following systems are discussed: ● All-in-one functions and operation ● Engine controller unit (ECU) system/power system ● Laser/scanner system ● Image-formation system ● Paper-feed system (printer/product base) and document - HP LaserJet 3052 | Service Manual - Page 85
all-in-one scanner Table 4-1 HP LaserJet 3050 all-in-one basic sequence of operation Period Purpose WAIT. After the all-in-one is turned on To perform the firmware initialization. until Ready appears on the control-panel display. READY. From the end of the WAIT period until the user initiates - HP LaserJet 3052 | Service Manual - Page 86
, HP LaserJet 3052/3055 all-in-one scanner Table 4-2 HP LaserJet 3052/3055 all-in-one basic sequence of operation Period Purpose Remarks WAIT. After the all-in-one is turned on until the message Scanner Bulb warming up appears on the controlpanel display. To perform the firmware initialization - HP LaserJet 3052 | Service Manual - Page 87
4-2 HP LaserJet 3052/3055 all-in-one basic sequence of operation (continued) Period Purpose Remarks SCAN. For an ADF scan: From the end of the brief pause that follows the STAGE period until the EJECT or following-page STAGE period. To scan one page of the original document. For a flatbed scan - HP LaserJet 3052 | Service Manual - Page 88
HP LaserJet 3050/3052/3055 all-in-one basic sequence of operation-printer (product base) Period Purpose Remarks WAIT After the all-in-one is turned on until the end of the initial rotation of the main motor. To clear the drum surface of potential Detects whether or not the cartridge toner image - HP LaserJet 3052 | Service Manual - Page 89
4-2 HP LaserJet 3050/3052/3055 all-in-one timing diagram-printer (product base) Power Switch ON SEQUENCE WAIT 1 Fixing Heater (H701) About 0.25 100°C Control 2 Print Command 3 Scanner Motor 4 Scanner Ready About 0.45 Max. 122 5 Main Motor (M1) 6 Pick-up Solenoid (SL1) 7 Top of Paper Sensor - HP LaserJet 3052 | Service Manual - Page 90
3050 all-in-one and HP LaserJet 3055 all-in-one only) The formatter receives print data from the bidirectional ECP mode interface or USB interface and converts it into a dot image. The ECU synchronizes the image-formation system with the paper-feed system and signals the formatter to send the - HP LaserJet 3052 | Service Manual - Page 91
startup messages Message -blank[blank display for many seconds after power-on] Contact Service Hewlett-Packard - HP LaserJet 3052 | Service Manual - Page 92
-one and HP LaserJet 3055 all-in-one have fax capability) ● A 2-by-16 LCD display that shows status, menus, and messages ● Front-panel status lights Economode When you select Economode (draft) in the printer driver, the all-in-one uses less toner, which extends the life of the print cartridge. NOTE - HP LaserJet 3052 | Service Manual - Page 93
PJL overview Printer job language (PJL) is an integral part of configuration, in addition to the standard printer command language (PCL). With standard ECP cabling, the all-in-one can use PJL to perform the following functions: ● Two-way communication with the host computer through a USB connection. - HP LaserJet 3052 | Service Manual - Page 94
● Formatter ● Image formation ● Laser/scanner ● Pickup and feed The following figure is a block diagram of the printer (product base): To external device (host computer, etc.) Output tray LASER/SCANNER UNIT Scanning mirror FORMATTER Laser diode BD sensor Scanner motor ENGINE CONTROL SYSTEM - HP LaserJet 3052 | Service Manual - Page 95
LaserJet 3050/3052/3055 all-in-one, the control functions are primarily relegated to the ECU PCA and the power functions to the power-supply assembly PCA. The ECU controls the following systems and functions: ● Print-engine control ● Paper-motion monitoring and control (printing) ● Motor ● Printer - HP LaserJet 3052 | Service Manual - Page 96
Printer (product base) laser/scanner The ECU sends signals to the laser/scanner assembly to modulate the laser-diode on and off modes and to drive the laser/scanner motor. VDO /VDO /BDI CNT0 CNT1 /BD Laser driver PCB Cylindrical lens BD sensor /ACC /DEC Photosensitive drum Formatter Engine - HP LaserJet 3052 | Service Manual - Page 97
the printer (product laser/scanner motor, solenoid, high-voltage power supply, fuser, safety circuit, door switch Overcurrent/overvoltage There are two overvoltage devices in this all-in-one: ● Fuse F101 provides overcurrent protection for the fusing-system circuitry. ● Fuse F102 (110 V all-in-one - HP LaserJet 3052 | Service Manual - Page 98
positive or negative dc voltage to the transfer roller according to the instructions from the ECU. This circuit also controls the image density by -density setting (which is set by using HP ToolboxFX). High voltage is disabled when the print-cartridge door is open. Figure 4-5 High-voltage power - HP LaserJet 3052 | Service Manual - Page 99
process functions independently and must be coordinated with the other all-in-one processes. Image formation consists of seven processes: Writing Stage Flow of paper Direction of drum rotation 2. Scanning exposure 1. Primary charging 3. Developing stage Drum cleaning stage 7. Drum cleaning - HP LaserJet 3052 | Service Manual - Page 100
which can permanently damage the drum. Protect the print cartridge whenever you remove it by covering it with paper. Printer (product base) paper-feed system The main input tray and the priority input tray merge into one main input area. The all-in-one uses the top-of-page sensor (PS801) to senses - HP LaserJet 3052 | Service Manual - Page 101
Figure 4-7 Printer (product base) paper path ENWW Printer (product base) functions 81 - HP LaserJet 3052 | Service Manual - Page 102
sensor (PS803) detect media moving through the all-in-one. If a jam is detected, the ECU immediately stops the printing process and the Attention (Cancel) light illuminates on the control panel. Conditions of jam detection ● Pickup delay jam-Paper does not reach the top-of-page sensor (PS801 - HP LaserJet 3052 | Service Manual - Page 103
components in the HP LaserJet 3050 all-in-one. This section describes the optical scanning system and ADF pickup and feed system used in the HP LaserJet 3050 all-in-one. It does not describe the image-formation system that is common to the HP LaserJet 3050/3052/3055 all-in-one. For information about - HP LaserJet 3052 | Service Manual - Page 104
21 Figure 4-9 HP LaserJet 3050 all-in-one optical and feed systems 1 Optical scanning system 2 ADF pickup-and-feed system 84 Chapter 4 Theory of operation ENWW - HP LaserJet 3052 | Service Manual - Page 105
document delivery roller advances the document out of the ADF paper path to the output area. Figure 4-10 HP LaserJet 3050 all-in-one feed control (1 of 2) The contact image scanner motor drives the pickup roller, the feed roller, a one-way clutch, and the delivery roller. A gear differential causes - HP LaserJet 3052 | Service Manual - Page 106
-page document, which is necessary for correct document scanning. The one-way clutch varies the rotation speeds of the pickup roller and feed roller to prevent the rollers from tearing the document. Figure 4-11 HP LaserJet 3050 all-in-one feed control (2 of 2) 86 Chapter 4 Theory of operation - HP LaserJet 3052 | Service Manual - Page 107
of three LEDs (red, green, and blue), a light guide, the scanning glass, the rod lens array, and a sensor array. When the CIS scans a document, the CIS does not move. Instead, documents move past the CIS. Figure 4-12 HP LaserJet 3050 all-in-one optical system (1 of 2) The formatter controls the CIS - HP LaserJet 3052 | Service Manual - Page 108
Figure 4-13 HP LaserJet 3050 all-in-one optical system (2 of 2) 88 Chapter 4 Theory of operation ENWW - HP LaserJet 3052 | Service Manual - Page 109
optical scanning system and ADF pickup and feed system used in the HP LaserJet 3052/3055 all-in-one. It does not describe the image-formation system that is common to the HP LaserJet 3050/3052/3055 all-in-one. For information about image formation, see Image-formation system on page 79. Scanner and - HP LaserJet 3052 | Service Manual - Page 110
of the scan tub. If the all-in-one detects a document in the ADF when a copy or scan is initiated (from the software or the control panel), the scan module moves to the left side of the scan tub and stops. The image is acquired as the paper is fed through the ADF past the scanner module. If - HP LaserJet 3052 | Service Manual - Page 111
jam Clear, Reload appears on the control-panel display. ● Other-If the paper stops in the ADF and the scan module remains under the ADF scanner glass, an internal firmware error has probably occurred. This is usually remedied by cycling the power. ENWW HP LaserJet 3052/3055 all-in-one unique - HP LaserJet 3052 | Service Manual - Page 112
Fax functions and operation (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) The following sections describe the all-in-one fax capabilities. Computer and network security features The HP LaserJet 3050/3055 all-in-one can send and receive fax data over telephone lines that conform - HP LaserJet 3052 | Service Manual - Page 113
Answer Ring Type and then press . 4. Use the < or > button to scroll to one of the following options: ● All Rings (default setting) ● Single ● Double ● Triple ● Double&Triple Press to save the setting. ENWW Fax functions and operation (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in- 93 - HP LaserJet 3052 | Service Manual - Page 114
the V.34 setting to Disable (Enable is the default setting) can also improve your ability to send a fax over a VoIP network. If you continue to have problems faxing, contact your VoIP provider. The fax subsystem The formatter, LIU, firmware, and software all contribute to the fax functionality. The - HP LaserJet 3052 | Service Manual - Page 115
LIU in the fax subsystem Two versions of LIU are used in the HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one. One is used in the North American, South American, and Asian countries/regions. The other is used primarily in European countries/regions. The following are features - HP LaserJet 3052 | Service Manual - Page 116
tells it to connect manually. This feature allows the user to make voice calls from a phone that is connected to the all-in-one without being cut off if signal tells the firmware that an active phone (or modem or answering machine) is connected to the auxiliary port of the all-in-one (the right - HP LaserJet 3052 | Service Manual - Page 117
signal is passed to the formatter to indicate that the ring is above the threshold. The firmware then measures the amount of time that the signal is high and low, and qualifies the cadence the U.S. LIU. ENWW Fax functions and operation (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in- 97 - HP LaserJet 3052 | Service Manual - Page 118
power is off. Users can reprint faxes in case the print cartridge runs out of toner or the all-in-one experiences other errors while printing faxes. The all-in-one also has scan-ahead functionality that makes use of flash memory. Scan-ahead automatically scans pages into flash memory before a fax - HP LaserJet 3052 | Service Manual - Page 119
5 Removal and replacement ● Removal and replacement strategy ● HP LaserJet 3050 all-in-one ● HP LaserJet 3052/3055 all-in-one ● Printer (product base) ENWW 99 - HP LaserJet 3052 | Service Manual - Page 120
For service purposes, the upper part of the all-in-one is, in effect, the "scanner" and the base part is the "printer." Together, they also act as a photocopier (all models of the HP LaserJet 3050/3052/3055 all-in-one) or fax machine (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one), but - HP LaserJet 3052 | Service Manual - Page 121
the all-in-one on an ESD mat, if one is available. If an ESD-protected workstation is not available, discharge body static and ground the print engine chassis before touching an ESDsensitive part. ● Remove the print cartridge. See Print cartridge on page 158. After performing service ● Replace the - HP LaserJet 3052 | Service Manual - Page 122
the configuration page on the scanner glass. 9. Print a copy job, and then verify the results. 10. Clean the outside of the device with a damp cloth. Test 3 (fax-quality test) NOTE This test applies to the HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only 1. Place the configuration - HP LaserJet 3052 | Service Manual - Page 123
following diagrams to determine which parts of the all-in-one must be removed before servicing. NOTE HP LaserJet 3052/3055 all-in-one: The scanner assembly might be contaminated if it is opened outside of a cleanroom environment. For this reason, the entire scanner assembly is replaceable only as - HP LaserJet 3052 | Service Manual - Page 124
lid HP LaserJet 3052 and 3055 scanner assembly Link assemblies and scanner support-frame springs Control-panel bezel Control-panel assembly Separation-pad assembly ADF input-tray flag Pickup-roller assembly ADF glass Figure 5-3 Parts removal order for the HP LaserJet 3052/3055 all-in-one 104 - HP LaserJet 3052 | Service Manual - Page 125
HP LaserJet 3050, 3052, or 3055 scanner assembly Print-cartridge door Front cover Scanner support-frame Engine controller unit Laser/scanner assembly Main motor Fuser assembly Pickup assembly Front cover Speaker assembly Formatter and LIU (if present) Figure 5-4 Parts removal order for the printer - HP LaserJet 3052 | Service Manual - Page 126
instructions for components that are unique to the HP LaserJet 3050 all-in-one. Use the following diagram to determine the parts removal order. Scanner side covers Separation-pad set (not the entire assembly) Link assemblies and scanner support-frame springs HP LaserJet 3050 scanner assembly Scanner - HP LaserJet 3052 | Service Manual - Page 127
and scanner support-frame springs (1 of 4) 3. Rotate one of the link assemblies toward the front of the all-in-one until the link disengages from the scanner support-frame. Figure 5-7 Removing the link assemblies and scanner support-frame springs (2 of 4) ENWW HP LaserJet 3050 all-in-one 107 - HP LaserJet 3052 | Service Manual - Page 128
Removing the link assemblies and scanner support-frame springs (3 of 4) 5. Use needle-nose pliers to remove the scanner support-frame spring. Repeat this step for the other scanner support-frame spring. Figure 5-9 Removing the link assemblies and scanner support-frame springs (4 of 4) 108 Chapter - HP LaserJet 3052 | Service Manual - Page 129
the following figure, examine the locations of the of the locking tabs on the scanner cover before you remove the cover. 1. Use a small flat-blade screwdriver to release the right-side cover-locking tab. Figure 5-10 Removing the scanner side covers (1 of 2) ENWW HP LaserJet 3050 all-in-one 109 - HP LaserJet 3052 | Service Manual - Page 130
2. Rotate the right-side cover away from the all-in-one, and then slide it toward the front of the all-inone to remove it. 2 1 Figure 5-11 Removing the scanner side covers (2 of 2) 3. Repeat this procedure for the left-side cover. 110 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 131
-pad assembly. 1. Open the scanner top cover. 2. Carefully pry the separation-pad set away from the guide assembly. CAUTION When installing the replacement pad, be careful not to bend or break the retainer-clip pins. Figure 5-12 Removing the separation pad ENWW HP LaserJet 3050 all-in-one 111 - HP LaserJet 3052 | Service Manual - Page 132
each side (callout 1). 1 Figure 5-13 Removing the control-panel bezel (1 of 3) 2. Slightly raise the control-panel bezel. Then disconnect one FFC (callout 2) and one wire-harness connector (callout 3). CAUTION Do not bend or fold the FFCs during the removal or reinstallation process. 2 3 Figure - HP LaserJet 3052 | Service Manual - Page 133
the control-panel bezel toward the back of the all-in-one to release the three rear locking tabs and then remove it. Figure 5-15 Removing the control-panel bezel (3 of 3) NOTE You must release the wire-harness from two retainers on the control-panel bezel. ENWW HP LaserJet 3050 all-in-one 113 - HP LaserJet 3052 | Service Manual - Page 134
Control-panel assembly CAUTION The control panel is an ESD-sensitive component. 1. Remove the control-panel bezel. See Control-panel bezel on page 112. 2. Remove three screws (callout 1). 1 Figure 5-16 Removing the control-panel assembly (1 of 2) 3. Rotate the control-panel button assembly away from - HP LaserJet 3052 | Service Manual - Page 135
Media lever and media-lever torsion spring 1. Remove the control-panel bezel. See Control-panel bezel on page 112. 2. Carefully dislodge and remove the media-lever torsion spring. Figure 5-18 Removing the media lever and media-lever torsion spring ENWW HP LaserJet 3050 all-in-one 115 - HP LaserJet 3052 | Service Manual - Page 136
separation pad. Skin oils and fingerprints on the separation pad might cause paper-feed problems. Press down on the plate as the screws are removed. Four set consists of the pad, clear plastic sheet, and the pad cover. The separation-pad set is a user-replaceable assembly. The separation-pad - HP LaserJet 3052 | Service Manual - Page 137
3. Rotate the separation-pad assembly up until the keyed hinges can clear the hinge retainers. Figure 5-20 Removing the separation-pad assembly (2 of 3) 4. Remove the separation-pad assembly. Figure 5-21 Removing the separation-pad assembly (3 of 3) ENWW HP LaserJet 3050 all-in-one 117 - HP LaserJet 3052 | Service Manual - Page 138
lift it up and off of the all-in-one. Figure 5-22 Removing the scanner assembly (1 of 14) 2. Rotate the ADF output bin up and then squeeze the locking tabs until the they clear the mounting holes in the scanner assembly. Figure 5-23 Removing the scanner assembly (2 of 14) 118 Chapter 5 Removal and - HP LaserJet 3052 | Service Manual - Page 139
3. Remove the right-side cover-mounting screw (callout 1). Figure 5-24 Removing the scanner assembly (3 of 14) 4. Release the back of the cover. Figure 5-25 Removing the scanner assembly (4 of 14) ENWW HP LaserJet 3050 all-in-one 119 - HP LaserJet 3052 | Service Manual - Page 140
bottom tab (callout 2). 2 Figure 5-26 Removing the scanner assembly (5 of 14) 6. Rotate the back side of the cover away from the all-in-one, and then slide the cover toward the front of the all-in-one to remove it 2 1 Figure 5-27 Removing the scanner assembly (6 of 14) 120 Chapter 5 Removal and - HP LaserJet 3052 | Service Manual - Page 141
the removal or reinstallation process. 3 4 Figure 5-28 Removing the scanner assembly (7 of 14) 8. Push the blue print-cartridge-door release button and then raise the scanner assembly until it locks open. Figure 5-29 Removing the scanner assembly (8 of 14) ENWW HP LaserJet 3050 all-in-one 121 - HP LaserJet 3052 | Service Manual - Page 142
to release the bracket. Figure 5-30 Removing the scanner assembly (9 of 14) 10. Pull the bracket toward the right side of the all-in-one until its mounting tabs clear the holes in the scanner assembly. Figure 5-31 Removing the scanner assembly (10 of 14) 122 Chapter 5 Removal and replacement - HP LaserJet 3052 | Service Manual - Page 143
they are disengaged from the scanner assembly. Figure 5-32 Removing the scanner assembly (11 of 14) 12. Use one of the following three separate methods to support the scanner assembly so that it does not fall off of the product base. ● A Use the HP scanner-hinge tool (part number: 5185-7441). NOTE - HP LaserJet 3052 | Service Manual - Page 144
A B C Figure 5-33 Removing the scanner assembly (12 of 14) 124 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 145
hinges clear the chassis hinge pins. Lift the scanner assembly off of the product base. NOTE Do not lose the two scanner cushions located in the scanner support-frame (callout 7; left-side location shown). 7 Figure 5-35 Removing the scanner assembly (14 of 14) ENWW HP LaserJet 3050 all-in-one 125 - HP LaserJet 3052 | Service Manual - Page 146
following assemblies or components: ● Scanner assembly. See Scanner assembly on page 118. ● Scanner side covers. See Scanner side covers on page 109. 2. Remove four screws (callout 1). CAUTION The PCB is an ESD-sensitive component. 1 Figure 5-36 Removing the scanner assembly top cover (1 of 4) 126 - HP LaserJet 3052 | Service Manual - Page 147
moving them. Do not bend or fold the FFCs during the removal or reinstallation process. Figure 5-37 Removing the scanner assembly top cover (2 of 4) Reinstallation tip When reinstalling the FFCs, make sure that the ferrites snap into the clips in the base. ENWW HP LaserJet 3050 all-in-one 127 - HP LaserJet 3052 | Service Manual - Page 148
the screw [callout 3] in the following figure). 2 Figure 5-38 Removing the scanner assembly top cover (3 of 4) 5. Lift up on the scanner assembly top cover to separate it from the scanner-assembly base. CAUTION Separating the scanner assembly top cover from the base frame assembly might require - HP LaserJet 3052 | Service Manual - Page 149
the following assemblies: ● Scanner assembly See Scanner assembly on page 118. ● Scanner assembly top cover. See Scanner assembly top cover on page clears the hole in the frame assembly. Remove the top cover. Figure 5-41 Removing the top-cover assembly (2 of 2) ENWW HP LaserJet 3050 all-in-one 129 - HP LaserJet 3052 | Service Manual - Page 150
roller 1. Remove the following assemblies: ● Scanner assembly. See Scanner assembly on page 118. ● Scanner assembly top cover. See .Scanner assembly top cover on page 126 2. Unclip the pickup-roller retainer (callout 1) and rotate it until the flat sides of the clip align with the mounting slot - HP LaserJet 3052 | Service Manual - Page 151
to carefully pry the white-platen retainer tabs (callout 1) off of the posts on the guide assembly. 1 Figure 5-44 Removing the white platen (1 of 2) 3. Lift the guide assembly up and off of the white platen. Figure 5-45 Removing the white platen (2 of 2) ENWW HP LaserJet 3050 all-in-one 131 - HP LaserJet 3052 | Service Manual - Page 152
lid HP LaserJet 3052 and 3055 scanner assembly Link assemblies and scanner support-frame springs Control-panel bezel Control-panel assembly Separation-pad assembly ADF input-tray flag Pickup-roller assembly ADF glass Figure 5-46 Parts removal order, HP LaserJet 3052/3055 all-in-one scanner assembly - HP LaserJet 3052 | Service Manual - Page 153
the ADF cover. Carefully pry the ADF motor cover off (from right to left) and away from the scanner assembly. 3 1 2 Figure 5-48 Removing the flatbed lid (1 of 5) Reinstallation tip When you reinstall chassis. Figure 5-49 ADF cover correctly installed ENWW HP LaserJet 3052/3055 all-in-one 133 - HP LaserJet 3052 | Service Manual - Page 154
2. Disconnect two wire connectors (callout 1). Close the ADF cover. 1 Figure 5-50 Removing the flatbed lid (2 of 5) 3. Locate the hinge-retainer clip on the far-left flatbed hinge. Figure 5-51 Removing the flatbed lid (3 of 5) 134 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 155
the flatbed lid from the scanner assembly. CAUTION Avoid touching the flatbed glass or the ADF separation pad. Skin oils and fingerprints can contaminate the glass or pad and cause print-quality problems. Figure 5-53 Removing the flatbed lid (5 of 5) ENWW HP LaserJet 3052/3055 all-in-one 135 - HP LaserJet 3052 | Service Manual - Page 156
the all-in-one. CAUTION Do not push too hard on the link tabs or the tabs might break. Figure 5-54 Removing the link assemblies and scanner support-frame springs (1 of 4) 3. Rotate a link assembly toward the front of the printer until the link disengages from the scanner support-frame. Figure 5-55 - HP LaserJet 3052 | Service Manual - Page 157
and scanner support-frame springs (3 of 4) 5. Use needle-nose pliers to remove the scanner support-frame spring. Repeat this step for the other scanner support-frame spring. Figure 5-57 Removing the link assemblies and scanner support-frame springs (4 of 4) ENWW HP LaserJet 3052/3055 all-in-one - HP LaserJet 3052 | Service Manual - Page 158
outside edges (at callout 1 in Figure 5-58 Removing the control-panel bezel on page 138) of the control-panel bezel away from the all-in-one to release it. Continue to pry up the bezel (at callout 2), working toward the center of the bezel (at callout 3). 12 33 21 Figure 5-58 - HP LaserJet 3052 | Service Manual - Page 159
Control-panel assembly CAUTION The control-panel is an ESD-sensitive component. 1. Remove the control-panel bezel. See Control-panel bezel on page 138. 2. Remove two screws (callout 1). 1 Figure 5-59 Removing the control-panel assembly (1 of 2) ENWW HP LaserJet 3052/3055 all-in-one 139 - HP LaserJet 3052 | Service Manual - Page 160
release the front edge of the panel from two locking tabs, and then disconnect one FFC (callout 2). Remove the control-panel assembly CAUTION Do not bend or fold control panel, make sure that the tabs on the scanner body fit into the slots on the control-panel assembly. 140 Chapter 5 Removal - HP LaserJet 3052 | Service Manual - Page 161
can contaminate the glass or pad and cause print-quality or paper-pickup problems. 1. Open the ADF cover and lift up the ADF pickup-roller assembly. 2. Use a #8 torx screwdriver to remove two separation pad. 1 Figure 5-61 Removing the ADF separation pad ENWW HP LaserJet 3052/3055 all-in-one 141 - HP LaserJet 3052 | Service Manual - Page 162
ADF input-tray flag 1. Open the ADF cover. 2. Gently flex the plastic rib until the front flag hinge clears the mounting hole. Rotate the ADF input- flag until the hinge pin clears the plastic rib. Pull the flag towards you to release the back hinge. Figure 5-62 Removing the ADF input-tray flag - HP LaserJet 3052 | Service Manual - Page 163
(HP LaserJet 3052/3055 allin-one) 1. Open the ADF cover. Figure 5-63 Replacing the ADF pickup roller and load-arm assembly (1 of 6) 2. Lift the load spring off of the post on the load arm. 1 2 Figure 5-64 Replacing the ADF pickup roller and load-arm assembly (2 of 6) ENWW HP LaserJet 3052/3055 - HP LaserJet 3052 | Service Manual - Page 164
Lift the load-arm assembly, slide the assembly toward the front of the all-in-one to disengage the gear-end of the assembly, and then lift the assembly off of the all-in-one. 2 1 Figure 5-66 Replacing the ADF pickup roller and load-arm assembly (4 of 6) 144 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 165
-in-one and then lower the assembly into place. 2 1 Figure 5-67 Replacing the ADF pickup roller and load-arm assembly (5 of 6) 6. Reattach the load spring and then close the ADF cover. 1 Figure 5-68 Replacing the ADF pickup roller and load-arm assembly (6 of 6) ENWW HP LaserJet 3052/3055 all - HP LaserJet 3052 | Service Manual - Page 166
pad and cause print-quality or paper-pickup problems. 1. Use a #10 torx screwdriver to remove one torx screw. Figure 5-69 Removing the ADF scanner glass (1 of 3) 2. Carefully remove the plastic ADF scanner-glass frame. Figure 5-70 Removing the ADF scanner glass (2 of 3) 146 Chapter 5 Removal and - HP LaserJet 3052 | Service Manual - Page 167
Avoid touching the flatbed glass or the ADF separation pad. Skin oils and fingerprints can contaminate the glass or pad and cause print-quality or paper-pickup problems. 1 2 Figure 5-71 Removing the ADF scanner glass (3 of 3) ENWW HP LaserJet 3052/3055 all-in-one 147 - HP LaserJet 3052 | Service Manual - Page 168
paper-pickup problems. NOTE It is not necessary to remove the flatbed lid before removing the scanner assembly. However, removing the flatbed lid will make the scanner on page 132. 2. Remove one screw (callout 1). 1 Figure 5-72 Removing the scanner assembly (1 of 13) 3. Release the back side of - HP LaserJet 3052 | Service Manual - Page 169
2). 2 Figure 5-74 Removing the scanner assembly (3 of 13) 5. Rotate the back side of the cover away from the all-in-one, and then slide the cover toward the front of the all-in-one to remove it. 2 1 Figure 5-75 Removing the scanner assembly (4 of 13) ENWW HP LaserJet 3052/3055 all-in-one 149 - HP LaserJet 3052 | Service Manual - Page 170
(callout 4). CAUTION Do not bend or fold the FFCs during the removal or reinstallation process. 4 Figure 5-76 Removing the scanner assembly (5 of 13) 7. Push the print-cartridge door button to release the scanner assembly, and then raise the assembly until it locks open. Figure 5-77 Removing the - HP LaserJet 3052 | Service Manual - Page 171
to release the bracket. Figure 5-78 Removing the scanner assembly (7 of 13) 9. Pull the bracket toward the right side of the all-in-one until its mounting tabs clear the holes in the scanner assembly. Figure 5-79 Removing the scanner assembly (8 of 13) ENWW HP LaserJet 3052/3055 all-in-one 151 - HP LaserJet 3052 | Service Manual - Page 172
or the tabs might break. Figure 5-80 Removing the scanner assembly (9 of 13) 11. Use one of the following three separate methods to support the scanner assembly so that it does not fall off of the product base. ● A Use the HP scanner-hinge tool (part number: 5185-7441). NOTE Remove the left-side - HP LaserJet 3052 | Service Manual - Page 173
A B C Figure 5-81 Removing the scanner assembly (10 of 13) ENWW HP LaserJet 3052/3055 all-in-one 153 - HP LaserJet 3052 | Service Manual - Page 174
retainers and push them up into the scanner support-frame. WARNING! Do not clip wire retainers. The wire-harnesses might be damaged if the retainers are clipped instead of removed. Figure 5-82 Removing the scanner assembly (11 of 13) 13. Remove one screw (callout 5). Carefully remove the grounding - HP LaserJet 3052 | Service Manual - Page 175
and flatbed lid are supported so that they do not swing open when you remove the scanner assembly. NOTE Do not lose the two scanner cushions in the scanner support-frame corners (one shown; callout 7). 7 Figure 5-84 Removing the scanner assembly (13 of 13) ENWW HP LaserJet 3052/3055 all-in-one 155 - HP LaserJet 3052 | Service Manual - Page 176
HP LaserJet 3050, 3052, or 3055 scanner assembly Print-cartridge door Front cover Scanner support-frame Engine controller unit Laser/scanner assembly Main motor Fuser assembly Pickup assembly Front cover Speaker assembly Formatter and LIU (if present) Figure 5-85 Parts removal order for the printer - HP LaserJet 3052 | Service Manual - Page 177
Printer separation pad 1. At the back of the all-in-one, remove two screws (callout 1). 1 Figure 5-86 Removing the printer separation pad (1 of 2) 2. Remove the printer separation pad and frame. Figure 5-87 Removing the printer separation pad (2 of 2) ENWW Printer (product base) 157 - HP LaserJet 3052 | Service Manual - Page 178
bright light. Cover it with a piece of paper. 1. Push the print-cartridge-door release button. Figure 5-88 Removing the print cartridge (1 of 2) 2. Pull the print cartridge up and out of the all-in-one. Figure 5-89 Removing the print cartridge (2 of 2) 158 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 179
roller 1. Remove the print cartridge and locate the printer pickup roller. See Print cartridge on page 158. Figure 5-90 Removing the printer pickup roller (1 of 5) 2. Gently release the small, white tabs on each side of the pickup roller by pushing them away from the roller, and then rotate the - HP LaserJet 3052 | Service Manual - Page 180
3. Gently pull the roller up and out of the all-in-one. Figure 5-92 Removing the printer pickup roller (3 of 5) 4. Circular and rectangular pegs on each side of the pickup roller fit into corresponding slots on the pickup-roller mounting frame and prevent the roller from being incorrectly installed - HP LaserJet 3052 | Service Manual - Page 181
5. Rotate the top of the pickup roller into position until the white tabs on each side of the roller snap into place. Figure 5-94 Removing the printer pickup roller (5 of 5) ENWW Printer (product base) 161 - HP LaserJet 3052 | Service Manual - Page 182
cushions 1. Open the print-cartridge door. 2. Place a scanner cushion in the both well on the scanner support-frame (callout 1). Use the eraser- end of a pencil or use an ink pen with the cap on to seat each cushion in its well. 1 Figure 5-95 Installing the scanner cushions 162 Chapter 5 Removal - HP LaserJet 3052 | Service Manual - Page 183
Media input tray 1. Open the media input tray lid. Figure 5-96 Removing the media input tray (1 of 3) 2. Slide the adjustable media guides to the center of the tray. Figure 5-97 Removing the media input tray (2 of 3) ENWW Printer (product base) 163 - HP LaserJet 3052 | Service Manual - Page 184
3. Depress the pickup-tray locking tabs to release the media input tray, and then pull it out and away from the all-in-one. Figure 5-98 Removing the media input tray (3 of 3) 164 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 185
on the transfer roller might cause print-quality problems. Be very careful not to break the paper guide that is removed during replacement of the transfer roller. Because the paper guide is not an FRU, the entire printer will have to be replaced. 1. Open the print-cartridge door and remove the print - HP LaserJet 3052 | Service Manual - Page 186
bearings on each end of the transfer roller. Do not touch the black-sponge portion of the transfer roller. Grasp the right end of the paper guide and pull the clamp off the bearing on the right side of the transfer roller. Then slide the clamp slightly to the right, and the - HP LaserJet 3052 | Service Manual - Page 187
cover is shown in the following procedure. 1. Remove one screw (callout 1). Callout 2 is on the left-side cover. 2 1 Figure 5-102 Removing the side covers (1 of 4) 2. Release the locking tab on the back of the cover. Figure 5-103 Removing the side covers (2 of 4) ENWW Printer (product base) 167 - HP LaserJet 3052 | Service Manual - Page 188
to gain access to the bottom tab. This prevents the I/O shield from being damaged if the right-side cover is off and the all-in-one is tilted too far up. 2 Figure 5-104 Removing the side covers (3 of 4) 4. Slightly rotate the back-side of the right cover away from the all - HP LaserJet 3052 | Service Manual - Page 189
door 1. Remove the scanner assembly. For the HP LaserJet 3050 all-in-one, see Scanner assembly on page 118. For the HP LaserJet 3052/3055 all-in-one, see Scanner assembly on page 148. 2. Fully open the print-cartridge door and gently pull downward on both print-cartridge swing arms (callout - HP LaserJet 3052 | Service Manual - Page 190
-side and left-side covers. See Side covers on page 167. 2. Remove one screw (callout 1). 1 Figure 5-108 Removing the rear cover and fuser cover Rotate the bottom of the rear cover up and away from the printer, and remove it. 2 Figure 5-109 Removing the rear cover and fuser cover (2 - HP LaserJet 3052 | Service Manual - Page 191
4. Rotate the bottom of the fuser cover away from the printer, and remove the fuser cover. Figure 5-110 Removing the rear cover and fuser cover (3 of 3) ENWW Printer (product base) 171 - HP LaserJet 3052 | Service Manual - Page 192
page 167. 2. Release the lower right-side front-cover locking tab and slightly pry the lower-right corner of the front cover away from the printer. Figure 5-111 Removing the front cover (1 of 3) 3. Release the lower left-side front-cover locking tab ( located near the corner of the power supply - HP LaserJet 3052 | Service Manual - Page 193
4. Pry up and pull out on the front cover to release it from the printer. Remove the front cover. Figure 5-113 Removing the front cover (3 of 3) ENWW Printer (product base) 173 - HP LaserJet 3052 | Service Manual - Page 194
Speaker assembly 1. Remove the right-side printer cover. See Side covers on page 167 2. Disconnect one wire-harness connector (callout 1), unclip one wire retainer (callout 2), and then remove one screw (callout 3). 1 Figure 5-114 Removing the speaker assembly (1 of 2) 3. Carefully pry the sheet- - HP LaserJet 3052 | Service Manual - Page 195
See Rear cover and fuser cover on page 170. 2. Disconnect one spade connector (callout 1) and remove three screws (callout 2). Reinstallation hole. 1 2 Figure 5-116 Removing the power supply (1 of 5) 3. Disconnect one FFC (callout 3) and five wire-harness connectors (callout 4) and remove them from - HP LaserJet 3052 | Service Manual - Page 196
4. Remove four screws (callout 5). 5 Figure 5-118 Removing the power supply (3 of 5) 5. Unclip two clips (callout 6) and remove the switch cover. 6 Figure 5-119 Removing the power supply (4 of 5) 176 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 197
6. Unclip one clip (callout 7) and dislodge, but do not remove, the wire guide, and then remove the power supply. 7 Figure 5-120 Removing the power supply (5 of 5) ENWW Printer (product base) 177 - HP LaserJet 3052 | Service Manual - Page 198
Formatter and line interface unit (LIU) CAUTION The formatter and LIU are ESD-sensitive devices. NOTE The HP LaserJet 3052 all-in-one does not have a line interface unit (LIU) because it does not have fax capabilities. 1. Remove the right cover. See Side covers on page 167. 2. Remove - HP LaserJet 3052 | Service Manual - Page 199
from an HP LaserJet 3050 all-in-one. Figure 5-122 HP LaserJet 3050 all-in-one formatter and LIU ● Figure 5-123 HP LaserJet 3052 all-in-one formatter on page 179 shows the formatter from an HP LaserJet 3052 all-in-one. Figure 5-123 HP LaserJet 3052 all-in-one formatter ENWW Printer (product base - HP LaserJet 3052 | Service Manual - Page 200
shows the formatter and LIU from an HP LaserJet 3055 all-in-one. Figure 5-124 HP LaserJet 3055 all-in-one formatter and LIU 4. Remove three screws from the formatter PCA (callout 2). For the HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one, also remove three screws (callout 3) from the - HP LaserJet 3052 | Service Manual - Page 201
5. Gently separate the formatter from the sheet-metal shield. Mount the replacement formatter on this shield. Figure 5-126 Removing the formatter (3 of 3) ENWW Printer (product base) 181 - HP LaserJet 3052 | Service Manual - Page 202
Scanner support-frame 1. Remove the following assemblies ● Scanner assembly. For the HP LaserJet 3050 all-in-one, see Scanner assembly on page 118. For the HP LaserJet 3052/3055 all-in-one, see Scanner assembly on page 148. ● Left cover. See Side covers on page 167. ● Rear cover and fuser cover. See - HP LaserJet 3052 | Service Manual - Page 203
on the gear-drive arm aligns with the opening in the bracket, and remove the bracket. Figure 5-128 Removing the scanner support-frame (2 of 4) 4. Lift the scanner support-frame up and off of the printer. Figure 5-129 Removing the scanner support-frame (3 of 4) ENWW Printer (product base) 183 - HP LaserJet 3052 | Service Manual - Page 204
5. If you are removing the scanner support-frame in order to gain access to the fuser, remove two screws (callout 3) and the chassis reinforcement plate (callout 4) 3 4 Figure 5-130 Removing the scanner support-frame (4 of 4) 184 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 205
Scanner assembly. For the HP LaserJet 3050 all-in-one, see Scanner assembly on page 118. For the HP LaserJet 3052/3055 all-in-one, see Scanner assembly on page 148. ● Left cover. See Side covers on page 167. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 170. ● Print-cartridge - HP LaserJet 3052 | Service Manual - Page 206
at each side (left hook shown; callout 2), inside the all-in-one. Push the hooks into the all-in-one to disengage them. 2 Figure 5-132 Removing the ECU (2 of 6) 4. Disconnect one FFC (callout 3) from the formatter. 3 Figure 5-133 Removing the ECU (3 of 6) 186 Chapter 5 Removal and replacement ENWW - HP LaserJet 3052 | Service Manual - Page 207
one screw (callout 7). Release the wire-harness (callout 8, underneath the ECU) from the retainer slot on the ECU. Hint Unweave this wire-harness from additional wire looms to create enough slack to disengage it from the slot on the ECU. 5 6 8 7 Figure 5-135 Removing the ECU (5 of 6) ENWW Printer - HP LaserJet 3052 | Service Manual - Page 208
7. Carefully remove the ECU from the printer. As you remove it, unweave the wire-harnesses and FFCs from the wire looms, and disconnect one wire-harness connector (callout 9) from the laser/ scanner. Remove the ECU. 9 Figure 5-136 Removing the ECU (6 of 6) 188 Chapter 5 Removal and replacement - HP LaserJet 3052 | Service Manual - Page 209
Scanner assembly. For the HP LaserJet 3050 all-in-one, see Scanner assembly on page 118. For the HP LaserJet 3052/3055 all-in-one, see Scanner assembly on page 148. ● Left cover. See Side covers on page 167. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 170. ● Print-cartridge - HP LaserJet 3052 | Service Manual - Page 210
HP LaserJet 3052/3055 all-in-one, see Scanner assembly on page 148. ● Formatter. See Formatter and line interface unit (LIU) on page 178. ● Left cover. See Side covers on page 167. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 170. ● Print-cartridge door. See Print-cartridge - HP LaserJet 3052 | Service Manual - Page 211
3. Remove one screw (callout 3), and remove the main motor. 3 Figure 5-139 Removing the main motor (2 of 2) ENWW Printer (product base) 191 - HP LaserJet 3052 | Service Manual - Page 212
Scanner assembly. For the HP LaserJet 3050 all-in-one, see Scanner assembly on page 118. For the HP LaserJet 3052/3055 all-in-one, see Scanner assembly on page 148. ● Left cover. See Side covers on page 167. ● Rear cover and fuser cover. See Rear cover and fuser cover on page 170. ● Print-cartridge - HP LaserJet 3052 | Service Manual - Page 213
5. Lift the fuser assembly at the right and remove it. Figure 5-141 Removing the fuser assembly (2 of 2) NOTE When replacing the fuser assembly, be sure to transfer the delivery-sensor PCB from the old fuser to the new one. ENWW Printer (product base) 193 - HP LaserJet 3052 | Service Manual - Page 214
Paper-pickup assembly 1. Remove the following assemblies: ● Scanner assembly. For the HP LaserJet 3050 all-in-one, see Scanner assembly on page 118. For the HP LaserJet 3052/3055 all-in-one, see Scanner assembly on page 148. ● Left cover. See Side covers on page 167. ● Rear cover and fuser cover. - HP LaserJet 3052 | Service Manual - Page 215
messages ● Jams ● Print image-quality problems ● Scan/copy image-quality problems ● ADF problems ● Fax troubleshooting (HP LaserJet 3050/3055 all-in-one) ● Control-panel-display problems ● Functional checks ● Service-mode functions ● Troubleshooting tools ● Firmware updates and recovery ENWW 195 - HP LaserJet 3052 | Service Manual - Page 216
NOTE The HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one have faxing capabilities. The HP LaserJet 3052 all-in-one does not operate as a faxing device. Troubleshooting checklist Follow these steps when trying to solve a problem with the all-in-one. Step number 1 2 3 Verification - HP LaserJet 3052 | Service Manual - Page 217
cord. Check the fax number and retype the correct and complete fax number. All-in-one fax settings are set incorrectly. Review and reset the all-in-one fax settings. Does the HP LaserJet 3050/3055 all-in-one receive a fax? Too many telephone devices are plugged in, Make sure that the all-in - HP LaserJet 3052 | Service Manual - Page 218
still persists, replace the formatter. Port driver problem exists in Microsoft Windows. Uninstall and then reinstall the all-in-one software. Verify that you are using the correct installation procedure and the correct port setting. Does the all-in-one scan to the computer? Turn the all-in - HP LaserJet 3052 | Service Manual - Page 219
are intended to guide the user through typical operation. The control-panel messages indicate the status of the current operation, and include a page count on the second line of the display, if appropriate. When the all-in-one is receiving fax data, print data, or scanning commands, control-panel - HP LaserJet 3052 | Service Manual - Page 220
might be affected. The all-in-one is currently in use. Wait for the all-in-one to finish the current job. A piece of media is jammed in the ADF tray. Open the document release door, clear the jam, close the document release door, and reload the paper into the ADF tray. Media in - HP LaserJet 3052 | Service Manual - Page 221
are sent. Send the fax again. Cancel all fax jobs or clear the faxes from memory. An error occurred while trying to receive a fax. Ask the V.34 and then ask the sender to resend the fax. Connect the all-in-one to a different phone line. An error occurred while trying to Try resending the fax - HP LaserJet 3052 | Service Manual - Page 222
incorrect printer driver. Select the printer driver that is appropriate for your all-in-one. The data or response is invalid. Use the correct the data or response. The all-in-one completed making one copy. The remaining copies have been canceled because of low memory. Press Cancel to clear the - HP LaserJet 3052 | Service Manual - Page 223
cord from the wall, plug in a telephone, and try making a voice call. Plug the all-in-one telephone cord into a jack for another phone line. The all-in-one did not scan any pages, or it did not receive any pages from the computer to transmit a fax. Try sending the fax again. The - HP LaserJet 3052 | Service Manual - Page 224
No fax detected None No paper pickup Press [ ] None Page too complex Press [ ] none Paper jam in (area) 13.0000 Scanner reserved for PC scan None Scanning error Cannot connect Settings cleared None None Description Recommended action Plug the all-in-one telephone cord into a jack for - HP LaserJet 3052 | Service Manual - Page 225
the power might fix the problem. If a critical error persists, the all-in-one might require service. Critical error message-tables persists, replace the laser/ scanner assembly. HP LaserJet 3050 all-in-one: See Scanner assembly on page 118. HP LaserJet 3052/3055 ENWW Control-panel messages - HP LaserJet 3052 | Service Manual - Page 226
in-one directly into the wall socket. 3. Turn on the power and wait for the all-inone to initialize. 4. HP LaserJet 3052/3055 all-in-one only: Update the firmware. 5. If the error persists, replace the formatter. See Formatter and line interface unit (LIU) on page 178. 206 Chapter 6 Troubleshooting - HP LaserJet 3052 | Service Manual - Page 227
Description ADF door is open (HP LaserJet 3052/3055 The ADF lid is open or a sensor is all-in-one only) malfunctioning. (HP LaserJet 3052/3055 all-in-one only) Recommended action Make sure the ADF lid is closed. If the ADF motor cover was removed during product servicing, make sure that the - HP LaserJet 3052 | Service Manual - Page 228
-in-one. 2. If the error persists, replace the scanning assembly. See for information about replacing the HP LaserJet 3052/3055 all-in-one scanning assembly. 3. If the error persists, replace the formatter. See Formatter and line interface unit (LIU) on page 178. 208 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 229
0001 2 3 4 8 9 10 11 14 15 120 Event Jam Memory out Receive-fax directory is missing Send-fax directory is missing Send-ID Scanner error Engine-communication timeout error Fan-motor error 79 service, firmware exception 79 service, firmware ASIC fault Access error Address error Illegal instruction - HP LaserJet 3052 | Service Manual - Page 230
Insufficient memory Print page punt NVRAM error NVRAM service error MIO connection break Data communication error MIO buffer overflow Bad MIO Invalid personality Bad fuser Bad beam detect Bad scanner motor Engine-communication error Bad malfunction Laser malfunction 210 Chapter 6 Troubleshooting - HP LaserJet 3052 | Service Manual - Page 231
Jams This section contains instructions for clearing jams from the all-in-one. CAUTION Always try to remove a jam in the direction that the media feeds through the printer. Causes of jams Occasionally, paper or other print media can become jammed during a print job. Some causes include the following - HP LaserJet 3052 | Service Manual - Page 232
prevent damage to the print cartridge, minimize its exposure to direct light. 2. With both hands, grasp the side of the media that is most visible (this includes the middle), and carefully pull it free from the all-in-one. HP LaserJet 3050 212 Chapter 6 Troubleshooting HP LaserJet 3052/3055 ENWW - HP LaserJet 3052 | Service Manual - Page 233
3. Replace the print cartridge and close the print-cartridge door. ENWW Jams 213 - HP LaserJet 3052 | Service Manual - Page 234
the tray 1 and pull any visible jammed media out of the all-in-one. 2. If no media is visible, open the print-cartridge door, remove the print cartridge, and rotate the upper media guide. Carefully pull the media up and out of the all-in-one. 3. Close tray 1. 214 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 235
covered by the warranty. With both hands, grasp the side of the media that is most visible (this includes the middle), and carefully pull it free from the all-in-one. HP LaserJet 3050 HP LaserJet 3052/3055 ENWW Jams 215 - HP LaserJet 3052 | Service Manual - Page 236
try turning the paper around to feed the opposite end first, or use a different type of paper. Media does not meet HP specifications for print media. Make sure that the media meets specifications detailed in the HP LaserJet Printer Family Print Media Guide. 216 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 237
allow more than 100 sheets of 80 g/m2 (20-lb) bondweight paper (less for heavier media) to fill the paper output bin. The pickup roller is dirty or damaged. Clean the pickup roller. Replace the pickup roller. See Printer pickup roller on page 159. The separation pad is dirty or damaged. Clean - HP LaserJet 3052 | Service Manual - Page 238
remove jammed media. Gently try to remove the page without tearing it. 3. Close the ADF lid. To clear a media jam from the ADF (HP LaserJet 3052/3055 all-in-one) 1. Open the ADF cover. NOTE Verify that any shipping tape inside the ADF has been removed. 218 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 239
both hands, lift up on the two handles until the part unsnaps. Rotate and lift out the cleanout part and set it aside. 3. Lifting the green lever, rotate the pick gently loosen the media by using both hands. 6. When the media is free, gently pull it out in the direction shown. ENWW Jams 219 - HP LaserJet 3052 | Service Manual - Page 240
. 9. Reinstall the cleanout part by inserting it as shown. Push down on the two tabs until the part snaps into place. Install the cleanout part correctly, because future jamming might occur if the cleanout part is not replaced correctly. 10. Close the ADF lid. 220 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 241
meets specifications detailed in the HP LaserJet Printer Family Print Media Guide. Use the flatbed ( HP LaserJet 3052/3055 all-in-one) to make the scan or copy. The ADF pickup roller is dirty or worn. Clean or replace the ADF pickup roller. For information about cleaning the HP LaserJet 3052/3055 - HP LaserJet 3052 | Service Manual - Page 242
. A problem exists in the ADF path. Check the path for obstructions. Readjust as necessary or replace the ADF assembly (the ADF assembly is part of the flatbed lid for the HP LaserJet 3052/3055 all-in-one). See Scanner assembly on page 118 or Flatbed lid on page 133. 222 Chapter 6 Troubleshooting - HP LaserJet 3052 | Service Manual - Page 243
or scanning, see Scan/copy image-quality problems on page 232. NOTE Some image-quality problems can be isolated by performing printer functional tests. See Functional checks on page 247. Image quality problems can also be caused by using cables that are not USB cables. Checking the print cartridge - HP LaserJet 3052 | Service Manual - Page 244
the print cartridge. The print cartridge is out of toner. Replace the print cartridge. The media does not meet HP specifications (for example, it is Make sure that the media meets specifications detailed in too moist or too rough). the HP LaserJet Printer Family Print Media Guide. Parts of the - HP LaserJet 3052 | Service Manual - Page 245
. Make sure that the media meets specifications detailed in the HP LaserJet Printer Family Print Media Guide. Draft mode or EconoMode is selected in the driver. Try the normal or best setting. The print cartridge is defective. Replace the print cartridge. ENWW Print image-quality problems 225 - HP LaserJet 3052 | Service Manual - Page 246
humidity can increase the amount of background shading. Move the product to a different location, or decrease the background shading by using HP ToolboxFX. If this happens during copying, set the light/dark setting to a light value. Replace the print cartridge. 226 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 247
the media meets specifications detailed in too moist or too rough). the HP LaserJet Printer Family Print Media Guide. The print cartridge needs to be replaced. Replace the print cartridge. The fuser temperature is too low. The fuser temperature varies On the printer-driver Paper tab, under Type - HP LaserJet 3052 | Service Manual - Page 248
parts have toner on them. If the defects occur on the back of the page, the problem will probably correct itself after a few more printed pages. Otherwise, clean the printer. See Cleaning the all-in-one on page 40. The driver is not set for the correct media. 1. On the printer-driver Paper - HP LaserJet 3052 | Service Manual - Page 249
media. Pages are skewed (crooked). Solution Try a different media. Make sure that the media meets specifications detailed in the HP LaserJet Printer Family Print Media Guide. 1. On the printer-driver Paper tab, under Type is:, select the correct media type from the drop-down list. (This affects - HP LaserJet 3052 | Service Manual - Page 250
meet HP specifications. The printed page has curls or waves. Solution Remove some of the sheets. The HP LaserJet 3050 all-in-one ADF input tray can hold up to 30 sheets of 80-g/m2 (20-lb) bond-weight paper (less for heavier paper). Remove some of the sheets. The HP LaserJet 3052/3055 allin-one ADF - HP LaserJet 3052 | Service Manual - Page 251
for laser printers. Cause Solution The media does not meet HP specifications (for example, it is Make sure that the media meets specifications detailed in too moist or too rough). the HP LaserJet Printer Family Print Media Guide. The toner is low. Gently shake the print cartridge back - HP LaserJet 3052 | Service Manual - Page 252
for the HP LaserJet 3052/3055 all-in-one. Load the original with the side to be scanned facing down on the flatbed (HP LaserJet 3052/3055 all-in-one). Pages are skewed (crooked). Cause The media is loaded incorrectly. The media guides are broken or missing. 232 Chapter 6 Troubleshooting Solution - HP LaserJet 3052 | Service Manual - Page 253
LaserJet 3052/3055 allin-one ADF input tray can hold up to 50 sheets of 80-g/m2 (20lb) bond-weight paper. Remove some of the sheets. The main input tray can hold up to 250 sheets of 80-g/m2 (20-lb) bond-weight paper. Make sure that the media meets specifications detailed in the HP LaserJet Printer - HP LaserJet 3052 | Service Manual - Page 254
). the HP LaserJet Printer Family Print Media Guide. The toner is low. Gently shake the print cartridge back and forth to redistribute the toner. If copying with the ADF, the scanner glass is dirty. 1. Clean the scanner glass. See Cleaning the all-in-one on page 40. 2. If the problem persists - HP LaserJet 3052 | Service Manual - Page 255
See Cleaning the all-in-one on page 40. Try copying from the flatbed scanner (HP LaserJet 3052/3055 all-in-one only). If the problem occurs only with the ADF, clean the scanner glass. See Cleaning the all-in-one on page 40. The printer needs to be cleaned. If the problem occurs when copying from - HP LaserJet 3052 | Service Manual - Page 256
the ADF path and flatbed glass. See Cleaning the all-inone on page 40. Replace the print cartridge. Replace the scanner assembly. HP LaserJet 3050 all-inone: See Scanner assembly on page 118. HP LaserJet 3052/3055 all-in-one: See Scanner assembly on page 148. 236 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 257
paper, the text might not be clear. Try adjusting the resolution, contrast, and brightness settings in the scanning program. There is a problem with the scanner assembly. Replace the scanner assembly. HP LaserJet 3050 all-inone: See Scanner assembly on page 118. HP LaserJet 3052/3055 all-in-one - HP LaserJet 3052 | Service Manual - Page 258
. Solution 1. Use a different type of media. Make sure that the media meets specifications detailed in the HP LaserJet Printer Family Print Media Guide. 2. Turn the stack of media over and return it to the tray. 3. Use media that is designed for laser printers. 238 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 259
not functioning. Make sure that the cleanout comb is installed correctly. Clean the rollers. Use media that meets HP recommendations. See the user guide for media specifications. Replace the ADF pickup-roller assembly. The sheet begins to feed from the ADF input tray but does not completely move - HP LaserJet 3052 | Service Manual - Page 260
Fax troubleshooting (HP LaserJet 3050/3055 all-in-one) General fax troubleshooting Verify the following information before troubleshooting fax problems. ● Is the fax set up correctly? ● Make sure that the fax cord that came with the all-in-one is the cord that is being used. This cord has been - HP LaserJet 3052 | Service Manual - Page 261
. If the page is jammed, clear the jam. Make sure that the page is at least 89 x 44 mm (3.5 x 1.75 inches) in size before you load it into the ADF. If the page is smaller, use a carrier sheet or affix the page to a larger sheet. ENWW Fax troubleshooting (HP LaserJet 3050/3055 all-in-one) 241 - HP LaserJet 3052 | Service Manual - Page 262
of rings that is greater than the number of rings that prompts the answering machine to answer incoming calls. The all-in-one is not receiving incoming fax calls. Cause The answer-mode setting is set to manual. Solution Press Start Fax on the control panel. 242 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 263
or faxes are only printing on half of the page. Cause Solution The all-in-one is out of toner. The sent fax contrast was too light. Replace the print cartridge. Ask the sender to increase the contrast setting and resend the fax. ENWW Fax troubleshooting (HP LaserJet 3050/3055 all-in-one) 243 - HP LaserJet 3052 | Service Manual - Page 264
The all-in-one can receive a in memory scanner glass. Wait for the pending faxes to be sent. A long fax number cannot be dialed automatically. Cause The long fax number exceeds the 50-character limit for the auto-dial function. Solution Dial the fax number manually. 244 Chapter 6 Troubleshooting - HP LaserJet 3052 | Service Manual - Page 265
also applies to ADSL. PABX line problems The HP LaserJet 3050/3055 all-in-one is an analog device that is not compatible with all digital phone environments (unless a digital-to-analog converter is used). It might be difficult to troubleshoot fax issues without assistance from someone who is - HP LaserJet 3052 | Service Manual - Page 266
might become blank if the all-in-one is exposed to an electric or magnetic field. To resolve this problem, perform the following procedure: 1. Turn off the all-in-one. 2. Remove the all-in-one from the electric or magnetic field. 3. Turn the all-in-one on again. 246 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 267
diagnose and solve problems that occur in the all of the buttons have been tested or until the allin-one detects no activity at the control panel for about 20 seconds ● Writing stage (uses the laser/scanner to write a latent image on the drum) ● Development stage (forms a toner image on the drum) - HP LaserJet 3052 | Service Manual - Page 268
a half self-test check 1. Print a self-test page. (See Troubleshooting tools on page 259.) 2. Open the print-cartridge door after the paper advances halfway through the printer (about 5 seconds after the motor begins to rotate). The leading edge of the paper should have advanced past the print - HP LaserJet 3052 | Service Manual - Page 269
provide the necessary voltages for the image-formation processes. To check the print-cartridge contacts Remove the print cartridge and visually inspect the three connection points (callout 1) on the end of the print cartridge. If they are dirty or corroded, clean them with isopropyl alcohol. If they - HP LaserJet 3052 | Service Manual - Page 270
the print cartridge. Verify that the pins are not dirty or corroded and that the spring-loading action is functional. If the pins are dirty or obstructed, clean them with a dry cloth. If they are damaged, replace the all-in-one. 1 Figure 6-2 High-voltage contacts 250 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 271
to perform various tests and to print service reports. The following is a hierarchical diagram of the secondary service menu. Main menu Secondary Service Submenu Service Reports Scan Calibration Location Display test Button test Show firmware version Submenu Continuous Self-Test Extended Keymap - HP LaserJet 3052 | Service Manual - Page 272
of the developer's menu. Main menu Developer's menu Submenu Submenu Read Register (none) Write Register (none) Enter MAC Addr. (HP LaserJet 3052/3055 all-in- (none) one only) Scanner Settings Scan Test Mode ADF Starve Start ADF Starve Run FB Starve Start FB Starve Run Drop Bogey Park - HP LaserJet 3052 | Service Manual - Page 273
control-panel display, jump directly to any parameter ID that does not contain a 2 by typing the ID on the keypad. (Pressing 2 brings up the secondary service menu.) To change a parameter that has a 2 in its ID, type the ID of the closest parameter that does not have a 2 and then use the < or - HP LaserJet 3052 | Service Manual - Page 274
-one and HP LaserJet 3055 all-in-one: The list of countries/regions that appears on the control-panel display depends on the LIU that is installed in the product. HP LaserJet 3052 all-in-one: This product does not have fax capabilities and so it does not have an LIU installed. The list of supported - HP LaserJet 3052 | Service Manual - Page 275
are undefined. The user is prompted to set the language and telecom country/region. Until these settings are defined, the all-in-one will not return to the Ready state. CAUTION A Super NVRAM init erases all data that is stored in both the unprotected and protected NVRAM memory. To perform a super - HP LaserJet 3052 | Service Manual - Page 276
default values, including the fax header and company name. ● Factory settings such as formatter number, page counts, and paper settings are reset. ● All faxes in memory all-in-one. 2. Press and hold down the * and buttons. 3. Continue to hold down the buttons while you turn on the all-in-one. Hold - HP LaserJet 3052 | Service Manual - Page 277
products NOTE The HP LaserJet 3052 all-in-one does not have an LIU because it does not have fax capabilities. The list of available country/regions includes all of the country/regions listed in Table 6-5 System settings on page 257 and Chile (default media size letter, default date format ddmmyy - HP LaserJet 3052 | Service Manual - Page 278
and the scanner-glass size setting. Printer job language (PJL) software commands Many PJL scripts are available for restoring parameters such as paper size and page counts after the formatter has been replaced. For comprehensive instructions, see the Printer Job Language Technical Manual and the - HP LaserJet 3052 | Service Manual - Page 279
product exits the menu settings and prints the report. Printing all fax reports at once (HP LaserJet 3050/3055 all-in-one) To print all fax reports at once: 1. Press Menu. 2. Use the < ● Reports ● Fax settings ● User defaults ● Service ● Page counts ● Phonebook report-one-touch, speed-dial, and group - HP LaserJet 3052 | Service Manual - Page 280
T.30 protocol trace (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) Use a T.30 protocol trace report to troubleshoot fax transmission and receive issues. To print a T.30 protocol trace report 1. Press Menu. 2. Use the < or > button to select Service, and then press . 3. Use the < - HP LaserJet 3052 | Service Manual - Page 281
some fax transmission issues. To change the user remote user the remote user must inform user manually dial to the product and then manually start the fax session by pressing Start after fax tones have been heard from the product. Confirm that the remote user parts of the page that - HP LaserJet 3052 | Service Manual - Page 282
has received one or more pages machines support password. remote user has the correct password and that the product is configured with the same password paper is ability to receive is disabled at the product. not jammed within the machine, and any other system abnormalities have been cleared - HP LaserJet 3052 | Service Manual - Page 283
because the remote machine lacks available memory. This hold-off time has support. 281 The product has not received any data at the Ask the remote user to check his or her machine, and start of a page during non-ECM reception then ask the remote user to send the fax again. ENWW Troubleshooting - HP LaserJet 3052 | Service Manual - Page 284
to receive data. This error might be associated with low memory, although low memory should not produce the error unless other conditions are contributing to the problem. 292 The remote machine has attempted to Ask the remote user to send the fax again, and to split renegotiate the encoding - HP LaserJet 3052 | Service Manual - Page 285
. Configure the remote machine for reception. Typically the remote user configures the remote machine, which can include actions such as loading paper, clearing jams, and clearing other system abnormalities. The remote machine cannot support a fax reception at any speed or modulation that the - HP LaserJet 3052 | Service Manual - Page 286
has reported that one or more pages have ECM. The remote user has pressed a clearing any paper jams, loading sufficient paper, and clearing any other system -Or- errors. The remote machine has encountered a 2. Configure the local fax machine to use different system problem (such as no paper - HP LaserJet 3052 | Service Manual - Page 287
failed to issue a one transmission and the start of the next transmission. low-memory condition at the remote machine. If this "hold-off" period exceeds a machine's -Or- specific user does not support this mode. problems with certain machines or line conditions. ENWW Troubleshooting tools 267 - HP LaserJet 3052 | Service Manual - Page 288
in memory are printed, and Transmission of an image has been that the unit has paper ready for printing. If the problem abandoned . compatibility issue with certain machines or line conditions. 395 An unexpected T.30 frame has been received 1. Ask the remote user to send 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 289
These compatibility problems have been observed when sending to non-HP units. Ask the remote user to send the fax again when continuous "ones" at the problem can be caused by compatibility issues. Attempt to receive the fax again when telephone-line conditions have improved. ENWW Troubleshooting - HP LaserJet 3052 | Service Manual - Page 290
FSK 13 Training (synchronize signals), check for errors 14 Transmit CFR 15 Detect CFR Phase C-Message transmission (page/scan transmission) (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-inone only) 16 Transmit message (FSK, followed by date) 270 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 291
HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) (continued) Sequence Calling station Called station 17 Receive message (SCAN), check for errors 18 Transmit FSK 19 At end of message, send one Mode-setting command: from manual transmitter or automatic receiver Command - HP LaserJet 3052 | Service Manual - Page 292
HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) (continued) Commands Comments Appropriate responses (EOR-NULL) Indicates the next block transmission from the transmitter to the receiver (ERR) (RNR) (CRP) Any one DCN Phase E command None 272 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 293
Table 6-10 Fax abbreviations (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) Abbreviation CED CFR CIG CNG CRP Facsimile information field Frequency shift key: Low-speed command identifier separating commands/scans; precedes command mode Failure to train: The 1.5 seconds of the - HP LaserJet 3052 | Service Manual - Page 294
Table 6-10 Fax abbreviations (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) (continued) Abbreviation Function Signal PWD Password (for polling) 1000 0011 PWD Password (for transmission) X100 0101 SCAN Data-packets or scan-line count 274 Chapter 6 Troubleshooting - HP LaserJet 3052 | Service Manual - Page 295
Table 6-10 Fax abbreviations (HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one only) (continued) Abbreviation Function Signal format ("X"= any #) SEP 14400/12000/9600/7200 XID Exchange identification procedure ??? Unidentified command sequence ENWW Troubleshooting tools 275 - HP LaserJet 3052 | Service Manual - Page 296
3055 Figure 6-3 Example of a T.30 trace of a successfully sent fax NOTE Phase A, call establishment, does not show up on a trace report. Phase C is the phase in which faxed pages are transferred. 276 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 297
3055 Figure 6-4 Example of a T.30 trace of a successfully received fax ENWW Troubleshooting tools 277 - HP LaserJet 3052 | Service Manual - Page 298
repetitive image-defect ruler to help solve image quality problems. Place the top line on the ruler next 46.3 mm (1.82 inches) Paper pick-up assembly 55.2 mm (2.17 inches) Fuser (Fixing assembly) 56.5 mm (2.22 inches) Print cartridge 76.3 mm (3.00 inches) . 278 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 299
code is installed on the device. If updated firmware is available, download the appropriate update (www.hp.com/support/lj3050; www.hp.com/ support/lj3052; www.hp.com/support/lj3055) and follow the instructions in the ReadMe file. Turn the allin-one off and then on before running the executable file - HP LaserJet 3052 | Service Manual - Page 300
280 Chapter 6 Troubleshooting ENWW - HP LaserJet 3052 | Service Manual - Page 301
7 Parts and diagrams ● Ordering parts and supplies ● Accessories ● Diagrams ● HP LaserJet 3050 all-in-one scanner assembly ● HP LaserJet 3052/3055 all-in-one scanner assembly ● Printer (product base), HP LaserJet 3050/3052/3055 all-in-one ● Alphabetical parts list ● Numerical parts list ENWW 281 - HP LaserJet 3052 | Service Manual - Page 302
Life expectancies on page 38. Parts are available directly from Hewlett-Packard at the following Website: www.hp.com/buy/parts. Parts Order replacement parts from the following Website: www.hp.com/buy/parts World-wide customer support Order documentation and software from the Websites listed in - HP LaserJet 3052 | Service Manual - Page 303
for the HP LaserJet 3050/3052/3055 all-in-one. Table 7-2 Accessories Product name Print cartridge Toner cloth Scanner hinge Part number 2,000-page cartridge Q2612A Ideal for wiping up toner spills 5090-3379 Use this tool to keep the scanner assembly from falling 5185-7441 off of the printer - HP LaserJet 3052 | Service Manual - Page 304
Part number Service manual (this manual) English only Q6502-90901 Service and support training CD English only Q6502-60115 Getting started guides , Chinese traditional, Thai, Indonesian, Q6502-90908 Korean, Vietnamese User guides (print on demand) English only Q6500-90929 Czech Q6500-90930 - HP LaserJet 3052 | Service Manual - Page 305
units (FRUs) and cannot be ordered. While looking for a part number, pay careful attention to the voltage listed in the description column to make sure that the part number selected is for the correct product model. Replacing the printer engine assembly This table describes the components that can - HP LaserJet 3052 | Service Manual - Page 306
Table 7-5 Replacing the printer engine assembly HP LaserJet 3050 all-in-one HP LaserJet 3052/3055 all-in-one Replacement print engine ● Q6504-67001; 110 V print engine (new) Q6504-69001; 110 V print engine (exchange) or ● Q6504-67002; 220 V print engine (new) Q6504-69002; 220 V - HP LaserJet 3052 | Service Manual - Page 307
7-5 Replacing the printer engine assembly (continued) HP LaserJet 3050 all-in-one HP LaserJet 3052/3055 all-in-one Scanner-top components ● Scanner base-frame assembly ● RL1-0376-000CN; Scanner sheet, grounding ● RK2-1214-000CN; Scanner flat, flexible cable ● RM1-3076-000CN; Scanner cover, left - HP LaserJet 3052 | Service Manual - Page 308
Diagrams Component locations, HP LaserJet 3050/3052/3055 all-in-one printer (product base) 1 2 Figure 7-1 Major components 1 Fuser assembly 2 Paper-pickup assembly 288 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 309
3 4 5 6 7 21 Figure 7-2 Solenoid, sensors, switches, and motor 1 Print-cartridge-door switch 2 Power switch/power supply 3 Paper-width sensor 4 Paper-delivery sensor 5 Top-of-page sensor 6 Solenoid 7 Motor ENWW Diagrams 289 - HP LaserJet 3052 | Service Manual - Page 310
Figure 7-3 PCBs 1 Engine controller unit (ECU) 2 Formatter NOTE For the HP LaserJet 3050 all-in-one and HP LaserJet 3055 all-in-one, the LIU is attached to the formatter. The HP LaserJet 3052 all-in-one does not have fax capabilities, and does not use an LIU. 290 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 311
Main wiring J2 Formatter HP LaserJet 3050 Figure 7-4 Main wiring, HP LaserJet 3050 all-in-one scanner assembly ENWW Diagrams 291 - HP LaserJet 3052 | Service Manual - Page 312
P17 P6 P18 Formatter HP LaserJet 3050 P11 J5 J6 Figure 7-5 Main wiring, HP LaserJet 3050 all-in-one printer (product base) 292 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 313
7-6 Main wiring, HP LaserJet 3052/3055 all-in-one scanner assembly CCD scanner assembly CCFL bulb AC inverter PCA J1 CCD sensor (soldered to PCB) Scanner PCB J2 Flatbed motor 12345 FFC cable P3 Formatter HP LaserJet 3052/3055 J2 Scanner sub-assembly (SSA) ADF Paper sensors ADF motor - HP LaserJet 3052 | Service Manual - Page 314
P21 P10 P22 Formatter HP LaserJet 3052/3055 P15 J7 NOTE: Connector P22 is on the HP LaserJet 3055 all-in-one only. LAN interface J5 J8 Figure 7-7 Main wiring, HP LaserJet 3050/3052/3055 all-in-one printer (product base) 294 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 315
P1 P6 P11 J5 J6 P17 P18 Figure 7-8 Formatter connections, HP LaserJet 3050 all-in-one Table 7-6 Formatter connections, HP LaserJet 3050 all-in-one Name P1 J1 J2 J6 P18 P17 J5 P11 P6 Connection ADF Control panel Scanner (CIS) USB LIU Engine solenoid Engine Engine power Speaker ENWW Diagrams - HP LaserJet 3052 | Service Manual - Page 316
3052/3055 all-in-one Table 7-7 Formatter connections, HP LaserJet 3052/3055 all-in-one Name J1 J2 J5 J8 J7 P22 P15 P10 J3 P3 Connection Control panel Scanner (CCD) Local area network USB Engine LIU (HP LaserJet 3055 all-in-one only) Engine solenoid Speaker Flatbed motor ADF 296 Chapter 7 Parts - HP LaserJet 3052 | Service Manual - Page 317
J1 J2 Figure 7-10 LIU connections, HP LaserJet 3050/3055 all-in-one Table 7-8 LIU connections, HP LaserJet 3050/3055 all-in-one Name J1 J2 Connection Formatter Fax ports ENWW Diagrams 297 - HP LaserJet 3052 | Service Manual - Page 318
HP LaserJet 3050 all-in-one scanner assembly Figure 7-11 Scanner assembly, HP LaserJet 3050 all-in-one 298 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 319
Table 7-9 Scanner assembly, HP LaserJet 3050 all-in-one Ref Description 1 Pickup-tray assembly, HP LaserJet 3050 all-in-one scanner 2 Control-panel assembly, HP LaserJet 3050 all-in-one 3 Tray, delivery , HP LaserJet 3050 all-in-one scanner 4 HP jewel Part number Qty RM1-3419-000CN 1 - HP LaserJet 3052 | Service Manual - Page 320
ADF components, HP LaserJet 3050 all-in-one 12 3 13 3 13A 7 2 6 3 3 10 11 10 9 8A 8B 8C 4 Figure 7-12 ADF components, HP LaserJet 3050 all-in-one 300 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 321
link assembly, left, HP LaserJet 3050 all-in-one RM1-0896-000CN 1 12 Guide assembly, HP LaserJet 3050 all-in-one scanner RM1-3066-000CN 1 13 Scanner frame assembly, HP LaserJet 3050 all-in-one RM1-3063-000CN 1 13A Pickup-roller assembly, HP LaserJet 3050 all-in-one scanner RM1-0885-000CN - HP LaserJet 3052 | Service Manual - Page 322
Not shown Control-panel overlay, Thai, HP LaserJet 3050 all-in-one Q6504-00023 1 Not shown Control-panel overlay, Turkish, HP LaserJet 3050 all-in-one Q6504-00016 1 Not shown Control-panel overlay, Vietnamese, HP LaserJet 3050 all-in-one Q6504-00024 1 302 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 323
ENWW HP LaserJet 3050 all-in-one scanner assembly 303 - HP LaserJet 3052 | Service Manual - Page 324
Guide assembly, HP LaserJet 3050 all-in-one 20 20A 8 9 13 14 Figure 7-13 Guide assembly, HP LaserJet 3050 all-in-one 304 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 325
Guide assembly, HP LaserJet 3050 all-in-one Ref Description Part number Qty Guide assembly, HP LaserJet 3050 all-in-one scanner RM1-3066-000CN 1 8 Scanner media-lever torsion spring (lever, pressure convert) RC1-2544-000CN 1 9 Scanner media lever (lever, pressure convert), HP LaserJet - HP LaserJet 3052 | Service Manual - Page 326
HP LaserJet 3052/3055 all-in-one scanner assembly Figure 7-14 Scanner assembly, HP LaserJet 3052/3055 all-in-one 306 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 327
Table 7-12 Scanner assembly, HP LaserJet 3052/3055 all-in-one Ref Description Part number Qty Flatbed scanner assembly Q6502-60116 1 1 Flatbed scanner assembly (does not include the flatbed lid) Q6502-60116 1 2 ADF input tray Q3948-60214 1 3 Solar lock Q1636-40036 1 4 Shield, - HP LaserJet 3052 | Service Manual - Page 328
Major assemblies, HP LaserJet 3052/3055 all-in-one Figure 7-15 Major assemblies, HP LaserJet 3052/3055 all-in-one 308 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 329
replacement, HP LaserJet 3052/3055 all-in-one Q6502-67901 1 2 ADF cleanout/comb C7309-40153 1 3 Kit, replacement, ADF input-tray flag Q3948-67902 1 4 ADF pickup-roller assembly 5851-2559 1 5 ADF separation pad Q2665-60125 1 ENWW HP LaserJet 3052/3055 all-in-one scanner assembly - HP LaserJet 3052 | Service Manual - Page 330
Scanner components, HP LaserJet 3052/3055 all-in-one Figure 7-16 Scanner components, HP LaserJet 3052/3055 all-in-one 310 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 331
Table 7-14 Scanner components, HP LaserJet 3052/3055 all-in-one Ref Description Part number Qty 1 Bezel, Arabic, HP LaserJet 3052 all-in-one Q6502-40026 1 1 Bezel, blank painted, HP LaserJet 3052 all-in-one Q6502-40002 1 1 Bezel, blank unpainted, HP LaserJet 3052 all-in-one Q6502- - HP LaserJet 3052 | Service Manual - Page 332
1 Bezel, Vietnamese, HP LaserJet 3055 all-in-one Q6503-40027 1 2 Control panel, HP LaserJet 3052 all-in-one Q6502-60101 2 Control panel, HP LaserJet 3055 all-in-one Q6503-60101 3 Scanner link assembly, kit, HP LaserJet 3052/3055 all-in-one Q6502-67903 1 312 Chapter 7 Parts and diagrams - HP LaserJet 3052 | Service Manual - Page 333
ENWW HP LaserJet 3052/3055 all-in-one scanner assembly 313 - HP LaserJet 3052 | Service Manual - Page 334
Printer (product base), HP LaserJet 3050/3052/3055 all-inone 1 2 3 Figure 7-17 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one 314 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 335
Printer (product base), HP LaserJet 3050/3052/3055 all-in-one Ref Description Part number Qty 1 Print engine HP LaserJet 3050 all-in-one, replacement 110 V Q6504-67001 1 1 Print engine HP LaserJet 3050 all-in-one, replacement 220 V Q6504-67002 1 1 Print engine HP LaserJet 3050 all-in-one - HP LaserJet 3052 | Service Manual - Page 336
External covers, printer (product base) 6 3 2 1 7 5 4 Figure 7-18 External covers, printer (product base) 316 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 337
Cover, left 6 Cover, rear 7 Cover, top (scanner support-frame), printer Part number Qty RC1-8372-000CN 1 RC1-8374-000CN 1 RC1-2476-000CN 2 RL1-1160-000CN 1 RC1-8373-000CN 1 RC1-2474-000CN 1 RL1-1161-000CN 1 ENWW Printer (product base), HP LaserJet 3050/3052/3055 all-in-one 317 - HP LaserJet 3052 | Service Manual - Page 338
Formatter and LIU Figure 7-19 Formatter and LIU 318 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 339
all-in-one, EMEA 2 LIU, HP LaserJet 3055 all-in-one, US/WW 2 LIU, HP LaserJet 3055 all-in-one, EMEA Part number Qty Q7844-60002 1 Q7528-60001 1 Q7529-60002 1 Q2663-60001 1 Q2687-60002 1 Q2663-60001 1 Q2687-60002 1 ENWW Printer (product base), HP LaserJet 3050/3052/3055 all-in - HP LaserJet 3052 | Service Manual - Page 340
Internal components, printer (product base) 501 7 1 B 6 (J202) (J203) (PS802) (PS803) 502 (PS801) B 20 21 21A 501 A A 8 15 Figure 7-20 Internal components, printer (product base) (1 of 3) 320 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 341
-127V 20 Fuser, 220-240V 21 Pickup assembly 21A Roller, pickup, printer (product base) 501 Screw, w/washer, M3X6 502 Screw, tap, M4X10 Part number Qty RC1-8368-000CN 1 RM1 1 XB2-7300-605CN 2 XB4-5401-009CN 1 ENWW Printer (product base), HP LaserJet 3050/3052/3055 all-in-one 321 - HP LaserJet 3052 | Service Manual - Page 342
15 6 (J801) (J904) A (J201) B 7 14 B 10 A 9 Figure 7-21 Internal components, printer (product base) (2 of 3) 322 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 343
9 Latch, left 10 Latch, right 14 Screw, rs, M3X8 15 Screw, rs, M2X10 Part number Qty RM1-2033-030CN 1 RM1-3404-000CN 1 RU5-2492-000CN 2 RC1-2498-000CN 1 RC1-2499-000CN 1 XA9-1420-000CN 2 XA9-1501-000CN 4 ENWW Printer (product base), HP LaserJet 3050/3052/3055 all-in-one 323 - HP LaserJet 3052 | Service Manual - Page 344
22 4 2 5 26 (J3) (SP1) 24 (M1) (J001) Figure 7-22 Internal components, printer (product base) (3 of 3) 324 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 345
6 Link, coupling top 22 Screw, w/washer, M3x8 24 Motor, stepping, dc 26 Speaker assembly Part number Qty RC1-1953-000CN 1 RC1-2485-000CN 1 RC1-2494-000CN 1 XA9-1420-000CN 1 RK2-0777-000CN 1 RM1-3410-000CN 1 ENWW Printer (product base), HP LaserJet 3050/3052/3055 all-in-one 325 - HP LaserJet 3052 | Service Manual - Page 346
/comb Part number C7309-40153 ADF cover replacement, HP LaserJet 3052/3055 all-in-one Q6502-67901 ADF input tray Q3948-60214 ADF pickup-roller assembly 5851-2559 ADF separation pad Q2665-60125 ADF/flatbed lid with packaging Q6502-60117 Bezel, Arabic, HP LaserJet 3052 all-in-one Q6502 - HP LaserJet 3052 | Service Manual - Page 347
, HP LaserJet 3052 all-in-one Part number Q6503-40023 Q6502-40019 Q6503-40015 Q6503-40013 Q6502-40012 Q6503-40008 Q6502-40007 Q6503-40016 Q6503-40012 Q6502-40011 Q6505-40007 Q6502-40032 Q6503-40028 Q6502-40010 Q6503-40006 Q2665-40024 Table and page Scanner components, HP LaserJet 3052/3055 all - HP LaserJet 3052 | Service Manual - Page 348
, HP LaserJet 3052 all-in-one Part number Q6503-40020 Q6502-40025 Q6503-40021 Q6505-40016 Q6502-40020 Q2665-40013 Q6503-40009 Q6502-40028 Q6503-40024 Q6502-40015 Q6503-40011 Q6502-40021 Q6503-40017 Q6502-40009 Q6503-40005 Q6502-40018 Table and page Scanner components, HP LaserJet 3052/3055 all - HP LaserJet 3052 | Service Manual - Page 349
page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Internal components, printer (product base) (3 of 3) on page 325 ENWW Alphabetical parts list 329 - HP LaserJet 3052 | Service Manual - Page 350
list (continued) Description Part number Table and page Control panel, HP LaserJet 3052 all-in-one Q6502-60101 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Control panel, HP LaserJet 3055 all-in-one Q6503-60101 Scanner components, HP LaserJet 3052/3055 all-inone on page - HP LaserJet 3052 | Service Manual - Page 351
(product base) on page 317 Internal components, printer (product base) (2 of 3) on page 323 ADF components, HP LaserJet 3050 all-in-one on page 301 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Formatter and LIU on page - HP LaserJet 3052 | Service Manual - Page 352
components, HP LaserJet 3050 all-in-one on page 301 Guide assembly, HP LaserJet 3050 all-in-one on page 305 Scanner assembly, HP LaserJet 3050 all-in-one on page 299 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 Major assemblies, HP LaserJet 3052/3055 all-in-one on page - HP LaserJet 3052 | Service Manual - Page 353
(product base) (1 of 3) on page 321 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 ADF components, HP LaserJet 3050 all-in-one on page 301 Scanner assembly, HP LaserJet 3050 all-in-one on page 299 Guide assembly, HP LaserJet 3050 all-in-one on page 305 Internal components - HP LaserJet 3052 | Service Manual - Page 354
printer (product base) on page 317 ADF components, HP LaserJet 3050 all-in-one on page 301 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 ADF components, HP LaserJet 3050 all-in-one on page 301 ADF components, HP LaserJet - HP LaserJet 3052 | Service Manual - Page 355
Table and page Guide assembly, HP LaserJet 3050 all-in-one on page 305 ADF components, HP LaserJet 3050 all-in-one on page 301 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Internal components, printer (product base) (3 of - HP LaserJet 3052 | Service Manual - Page 356
HP LaserJet 3050/3052/3055 all-in-one on page 315 Major assemblies, HP LaserJet 3052/3055 all-in-one on page 309 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one - HP LaserJet 3052 | Service Manual - Page 357
on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 ENWW Numerical parts list 337 - HP LaserJet 3052 | Service Manual - Page 358
/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 Scanner assembly, HP LaserJet 3052/3055 all-inone on page 307 338 Chapter 7 Parts - HP LaserJet 3052 | Service Manual - Page 359
), HP LaserJet 3050/3052/3055 all-in-one on page 315 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 Major assemblies, HP LaserJet 3052/3055 all-in-one on page 309 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all - HP LaserJet 3052 | Service Manual - Page 360
311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 340 Chapter 7 Parts - HP LaserJet 3052 | Service Manual - Page 361
engine HP LaserJet 3050 all-in-one, replacement 110 V Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 Q6504-67002 Print engine HP LaserJet 3050 all-in-one, replacement 220 V Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 ENWW Numerical parts - HP LaserJet 3052 | Service Manual - Page 362
), HP LaserJet 3050/3052/3055 all-in-one on page 315 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all-inone on page 311 Scanner components, HP LaserJet 3052/3055 all - HP LaserJet 3052 | Service Manual - Page 363
support-frame), printer External covers, printer (product base) on page 317 RM1-0885-000CN Pickup-roller assembly, HP LaserJet 3050 all-in-one scanner ADF components, HP LaserJet 3050 all-in-one on page 301 RM1-0890-000CN Separation-pad assembly, HP LaserJet 3050 all-in-one scanner Guide - HP LaserJet 3052 | Service Manual - Page 364
321 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 Printer (product base), HP LaserJet 3050/3052/3055 all-in-one on page 315 ADF components, HP LaserJet 3050 all-in-one on page 301 ADF components, HP LaserJet 3050 all-in-one on page 301 Guide assembly, HP LaserJet 3050 - HP LaserJet 3052 | Service Manual - Page 365
(product base) (2 of 3) on page 323 ADF components, HP LaserJet 3050 all-in-one on page 301 Scanner assembly, HP LaserJet 3050 all-in-one on page 299 Internal components, printer (product base) (1 of 3) on page 321 Internal components, printer (product base) (2 of 3) on page 323 Internal components - HP LaserJet 3052 | Service Manual - Page 366
346 Chapter 7 Parts and diagrams ENWW - HP LaserJet 3052 | Service Manual - Page 367
A All-in-one specifications ● Physical specifications ● Electrical specifications ● Power consumption ● Environmental specifications ● Acoustic emissions ENWW 347 - HP LaserJet 3052 | Service Manual - Page 368
Physical specifications Table A-1 Physical specifications Product HP LaserJet 3050 all-in-one HP LaserJet 3052 all-in-one HP LaserJet 3055 all-in-one Height 459 mm (18.07 inches) 393 mm (15.47 inches) 393 mm (15.47 inches) Depth 443 mm (17.44 inches) 406 mm (15. - HP LaserJet 3052 | Service Manual - Page 369
models in Ready mode = 51.2 BTU/hour. ● HP LaserJet 3050/3052/3055 all-in-one speed is 19 ppm letter-size and 18 ppm A4-size. Environmental specifications Table A-4 Environmental specifications Recommended1 Operating1 Storage1 (all-in-one and print cartridge) 20° to 27°C 15° to 32.5°C -20 - HP LaserJet 3052 | Service Manual - Page 370
: HP LaserJet 3055 all-in-one, A10, A4 2 Acoustic values are subject to change. See www.hp.com/support/lj3052 and www.hp.com/support/lj3055 for current information. 3 HP LaserJet 3052/3055 all-in-one speed is 19 ppm letter-size and 18 ppm A4-size. 350 Appendix A All-in-one specifications ENWW - HP LaserJet 3052 | Service Manual - Page 371
B Service and support ENWW 351 - HP LaserJet 3052 | Service Manual - Page 372
Hewlett-Packard limited warranty statement HP PRODUCT HP LaserJet 3052/3055 all-in-one DURATION OF LIMITED WARRANTY One year limited warranty HP warrants to you, the end-user customer, that HP hardware and accessories will be free from defects in materials and workmanship after the date of - HP LaserJet 3052 | Service Manual - Page 373
environmental specifications for the printer product, or (c) exhibit wear from ordinary use. To obtain warranty service, please return the product to place of purchase (with a written description of the problem and print samples) or contact HP customer support. At HP's option, HP will either - HP LaserJet 3052 | Service Manual - Page 374
354 Appendix B Service and support ENWW - HP LaserJet 3052 | Service Manual - Page 375
Protection Act (United States) ● IC CS-03 requirements ● EU statement for telecom operation ● New Zealand telecom statements ● Declaration of conformity (HP LaserJet 3390, 3392, 3055, and 3050) ● Declaration of conformity (HP LaserJet 3052) ● Country-/region-specific safety statements ENWW 355 - HP LaserJet 3052 | Service Manual - Page 376
changes or modifications to the printer that are not expressly approved by HewlettPackard could void the user's authority to operate this service. If trouble is experienced with this equipment, please see the numbers in the front of this manual for repair and (or) warranty information. If the trouble - HP LaserJet 3052 | Service Manual - Page 377
, Hewlett-Packard Company has determined that this product meets ENERGY STAR® Guidelines for energy efficiency. For more information, see www.energystar.gov. Toner consumption Economode uses significantly less toner, which might extend the life of the print cartridge. Paper use The all-in-one manual - HP LaserJet 3052 | Service Manual - Page 378
Supplies Returns and Recycling Program. Paper This all-in-one is capable of using recycled papers, when the paper meets the guidelines outlined in the HP LaserJet Printer Family Print Media Guide, which you can view on the Web at www.hp.com/support/ ljpaperguide. This product is suitable for - HP LaserJet 3052 | Service Manual - Page 379
lamp or scanner that may require special handling at end-of-life. This HP product contains a battery that might require special handling at end of life. Type: Weight: Location: User Removable: Lithium Carbon Monofluoride (solid button cell) approx. 1 gram on formatter PC board (one battery per - HP LaserJet 3052 | Service Manual - Page 380
your local city office, your household waste disposal service or the shop where you purchased the product. Material example, toner) can be obtained by visiting the HP Website at: www.hp.com/go/msds or www.hp.com/hpinfo HP products ● Hewlett-Packard's commitment to the environment ● Hewlett-Packard's - HP LaserJet 3052 | Service Manual - Page 381
● Hewlett-Packard's end-of-life product return and recycling program ● MSDS ENWW Environmental Product Stewardship program 361 - HP LaserJet 3052 | Service Manual - Page 382
, including fax machines, to send any message unless such message clearly contains, in a margin at the top or bottom of each to the user's satisfaction. Before installing this equipment, users should ensure conditions may not prevent degradation of service in some situations. Repairs to certified - HP LaserJet 3052 | Service Manual - Page 383
customer in preparation of its connection to the PSTN. Please follow the instructions provided in the user manual. If you experience network compatibility issues, please contact your equipment supplier or Hewlett-Packard help desk in the country/region of operation. Connecting to a PSTN termination - HP LaserJet 3052 | Service Manual - Page 384
to ISO/IEC Guide 22 and EN 45014 Manufacturer's Name: Manufacturer's Address: declares, that the product Hewlett-Packard Company 11311 Chinden Boulevard, Boise, Idaho 83714-1021, USA Product Names: HP LaserJet 3390, 3392, 3055, and 3050 Regulatory Model Number3) Toner Cartridges5) Product - HP LaserJet 3052 | Service Manual - Page 385
: declares, that the product Hewlett-Packard Company 11311 Chinden Boulevard, Boise, Idaho 83714-1021, USA Product Names: HP LaserJet 3052 Regulatory Model Number3) Toner Cartridges Product Options: BOISB-0405-02 Q2612A ALL conforms to the following Product Specifications: Safety: IEC 60950 - HP LaserJet 3052 | Service Manual - Page 386
emitted inside the printer is completely confined within protective housings and external covers, the laser beam cannot escape during any phase of normal user operation. WARNING! Using controls, making adjustments, or performing procedures other than those specified in this user guide may result in - HP LaserJet 3052 | Service Manual - Page 387
LASER APPARAT HP LaserJet 3050/3052/3055 all-in-one -laserkirjoitin on käyttäjän kannalta turvallinen luokan 1 laserlaite. Normaalissa käytössä kirjoittimen suojakotelointi estää lasers : Aallonpituus 770-800 nm Teho 5 mW Luokan 3B laser ENWW Country-/region-specific safety statements 367 - HP LaserJet 3052 | Service Manual - Page 388
368 Appendix C Regulatory information ENWW - HP LaserJet 3052 | Service Manual - Page 389
HP LaserJet 3052/3055 all-in-one 90 output support, installing 30 paper specifications 22 part numbers, HP LaserJet 3050 all-in-one 299, 335, 344 part numbers, HP LaserJet 3052/3055 all-in-one 307, 326, 338 pickup-roller assembly, replacing 143 replacing 103 scanner glass, removing HP LaserJet 3052 - HP LaserJet 3052 | Service Manual - Page 390
period scanner, HP LaseJet 3052/3055 all-in-one 66 scanner, HP LaserJet 3050 allin-one 65 calibration, scanner 49 Canadian DOC statement 366 capacity priority input slot 21 trays 2, 3 card stock priority input slot, loading 36 specifications 21 cartridge area jams, clearing 212 cartridge-door part - HP LaserJet 3052 | Service Manual - Page 391
image quality, troubleshooting 232 loading originals in ADF 34 loading originals on flatbed scanner 34 operations 70 cords box contents, HP LaserJet 3050 all-in-one 28 box contents, HP LaserJet 3052/3055 all-in-one 29 part numbers 283 country settings 254, 257 covers, paper specifications 21 covers - HP LaserJet 3052 | Service Manual - Page 392
80 feed system, paper ADF operations, HP LaserJet 3052/3055 all-in-one 90 ADF, HP LaserJet 3050 all-inone 85 printer 80 feeding problems, troubleshooting copier/scanner 221 printer 216 Finnish laser statemnet 367 firmware, updating 279 flash memory, fax 98 flat, flexible cables part numbers 301, 331 - HP LaserJet 3052 | Service Manual - Page 393
specifications 21 languages control panel part numbers, HP LaserJet 3050 all-in-one 301, 330, 336 control panel part numbers, HP LaserJet 3052/3055 all-in-one 311, 326, 338 localized products 257 settings 254 languages, printer 73 laser safety statements 366 laser/scanner assembly operations 76 part - HP LaserJet 3052 | Service Manual - Page 394
21 specifications 21 types to avoid 23 media guides cleaning 227 troubleshooting 221 media lever, HP LaserJet 3050 allin-one removing 115 memory buffer 72 configuration page 51 error messages 202 firmware updates 279 flash, fax 98 HP LaserJet 3050 all-in-one, base 2 HP LaserJet 3052/3055 all - HP LaserJet 3052 | Service Manual - Page 395
on HP LaserJet 3052/3055 all-in-one 8 part numbers 315, 331, 344 support, installing 30 output quality cleaning page, printing 47 copies and scans 232 HP ToolboxFX settings 59 repetitive defects 278 troubleshooting 223 types of problems 224 overcurrent/overvoltage protection 77 ozone specifications - HP LaserJet 3052 | Service Manual - Page 396
HP LaserJet 3052/3055 all-in-one 9 types included 4 post-service tests 101 PostScript driver, HP ToolboxFX settings 60 power consumption 349, 357 requirements 348, 349 troubleshooting 196 power cords box contents, HP LaserJet 3050 all-in-one 28 box contents, HP LaserJet 3052/3055 all-in-one 29 part - HP LaserJet 3052 | Service Manual - Page 397
diagrams, HP LaserJet 3052/3055 all-in-one 294 Printer Command Language (PCL) 73 printer drivers accessing 15 help, Windows 14 Linux and UNIX 13 ordering 282 selecting 14 specifications 4 supported 13 printer engine assembly, replacing 285 Printer Job Language (PJL) 73, 258 printer pickup roller - HP LaserJet 3052 | Service Manual - Page 398
drivers selecting 14 supported 13 PSTN 92 pulse dialing 97 Q quality cleaning page, printing 47 copies and scans 232 HP ToolboxFX settings 59 repetitive defects 278 troubleshooting 223 types of problems 224 R RAM 71 READY period scanner, HP LaserJet 3050 allin-one 65 scanner, HP LaserJet 3052/3055 - HP LaserJet 3052 | Service Manual - Page 399
38 paper feeding operations 80 pickup, removing HP LaserJet 3050 all-in-one 130 printer printer pickup, replacing 159 transfer, part number 321 transfer, removing 165 rotation, drum 248 ruler, repetitive defect 278 S SCAN period scanner, HP LaserJet 3050 allin-one 65 scanner, HP LaserJet 3052/3055 - HP LaserJet 3052 | Service Manual - Page 400
scanner, HP LaserJet 3050 all-in-one 109 signals, VIDEO 68 site preparation 26 size all-in-one 348 margins, minimum 224 media supported 21 scanned images 237 space requirements 26 skew copies or scans, troubleshooting 221 printed pages, troubleshooting 229 smears, toner 227 soft reset 255 software - HP LaserJet 3052 | Service Manual - Page 401
30 jams, clearing 214 loading 36 loading paper 36 locating on HP LaserJet 3050 all-in-one 5 locating on HP LaserJet 3052/3055 all-in-one 8 paper feed system 80 paper specifications 21 part numbers 315, 333, 344 removing 163 troubleshooting ADF feeding problems 221 ADF problems 239 basic steps - HP LaserJet 3052 | Service Manual - Page 402
360 ordering parts 282 supplies, ordering 38 weight all-in-one 348 paper specifications 21 white platen cleaning 40 part number, HP LaserJet 3050 all-in-one 305, 333, 343 removing 131 white stripes, troubleshooting 231 Windows drivers supported 13 drivers, accessing 15 installing software 16 382 - HP LaserJet 3052 | Service Manual - Page 403
software components 16 system requirements 27 uninstalling software 16 wire harnesses, replacing 100 wiring diagrams 291 wrapping jams 82 wrinkled pages, troubleshooting 216 writing stage, image formation process 79 ENWW Index 383 - HP LaserJet 3052 | Service Manual - Page 404
384 Index ENWW - HP LaserJet 3052 | Service Manual - Page 405
- HP LaserJet 3052 | Service Manual - Page 406
© 2006 Hewlett-Packard Development Company, L.P. www.hp.com *Q6502-90901* *Q6502-90901* Q6502-90901
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HP LaserJet 3050/3052/3055 All-in-One
Service Manual