HP Color LaserJet CP2020 Service Manual
HP Color LaserJet CP2020 Manual
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HP Color LaserJet CP2020 manual content summary:
- HP Color LaserJet CP2020 | Service Manual - Page 1
Service Manual - HP Color LaserJet CP2020 | Service Manual - Page 2
- HP Color LaserJet CP2020 | Service Manual - Page 3
HP Color LaserJet CP2020 Series Service Manual - HP Color LaserJet CP2020 | Service Manual - Page 4
understand all instructions in the user guide. Observe all warnings and instructions marked on user guide. Refer all servicing questions to qualified personnel. Information regarding FCC Class B, Parts 15 and 68 requirements can be found in the user guide. Trademark credits Microsoft® and Windows - HP Color LaserJet CP2020 | Service Manual - Page 5
...6 Supported product software ...7 Software included with the product 7 Recommended Installation for Windows 7 Express Installation 7 Macintosh software 7 Printer driver ...7 Other software provided ...8 Software for Windows 8 HP ToolboxFX 8 Software for Macintosh 8 PostScript Printer - HP Color LaserJet CP2020 | Service Manual - Page 6
paper and print media use 22 Supported paper and print media sizes 23 Supported paper types and tray capacity 25 Special paper or print media guidelines 27 Load paper and print media ...28 4 Manage and maintain Information pages ...32 HP ToolboxFX ...33 Open HP ToolboxFX ...33 Status ...33 Event - HP Color LaserJet CP2020 | Service Manual - Page 7
44 HP fraud hotline and Web site 44 Print when cartridge is out 45 Replace print cartridges ...46 Memory and font DIMMs ...50 Product memory ...50 Install memory and font DIMMs 50 Enable memory ...54 Enable memory for Windows 54 Check DIMM installation ...54 Clean the product ...54 Firmware - HP Color LaserJet CP2020 | Service Manual - Page 8
Required tools ...79 Types of screws ...79 Before performing service 80 After performing service ...80 Post-service test ...81 Print-quality test 81 Print cartridges ...82 Tray 2 cassette ...83 Rollers and pads ...84 Transfer roller ...84 Paper-pickup roller ...85 Separation roller ...87 Reinstall - HP Color LaserJet CP2020 | Service Manual - Page 9
Color-misregistration sensor assembly PCA 132 Reinstall the color- Problem solve Introduction ...180 Solve problems checklist ...181 Menu map ...181 Troubleshooting process ...182 Pretroubleshooting checklist 182 Power-on checks ...184 Tools for troubleshooting ...185 Print-quality troubleshooting - HP Color LaserJet CP2020 | Service Manual - Page 10
...214 General print quality issues 214 Solve issues with color documents 218 Solve connectivity problems ...220 Solve direct-connection problems 220 Solve network problems 220 Service mode functions ...222 Service menu ...222 Service menu settings 222 Restore the factory-set defaults 222 - HP Color LaserJet CP2020 | Service Manual - Page 11
2) ...250 Fuser assembly ...252 PCAs ...254 Optional 250-sheet paper cassette 256 Alphabetical parts list ...258 Numerical parts list ...261 Appendix A Service and support Hewlett-Packard limited warranty statement 266 Customer self repair warranty service 267 Print cartridge limited warranty - HP Color LaserJet CP2020 | Service Manual - Page 12
Appendix C Regulatory information FCC regulations ...278 Declaration of conformity ...279 Safety statements ...280 Laser safety ...280 Canadian DOC regulations 280 VCCI statement (Japan 280 Power cord statement (Japan 280 EMI statement (Korea) ...280 Laser statement for Finland 281 Substances - HP Color LaserJet CP2020 | Service Manual - Page 13
List of tables Table 1-1 Product guides ...2 Table 1-2 Printing ...10 Table 1-3 Network product discovery ...10 Table 1-4 Messaging and management ...10 Table 1-5 IP addressing ...11 Table 3-1 Supported paper and print media sizes 23 Table 3-2 Supported envelopes and postcards 23 Table 3-3 Tray 1 - HP Color LaserJet CP2020 | Service Manual - Page 14
Table B-2 Table B-3 Table B-4 Table B-5 Electrical specifications ...275 Power consumption (average, in watts 275 HP Color LaserJet CP2020 Series 276 Operating-environment specifications 276 xii ENWW - HP Color LaserJet CP2020 | Service Manual - Page 15
power supply ...63 Figure 5-6 High-voltage power supply ...64 Figure 5-7 Laser/scanner system ...65 Figure 5-8 Image- 79 Figure 6-2 Remove the print cartridge ...82 Figure 6-3 Remove the Tray 2 cassette ...83 Figure 6-4 Remove the pickup roller (1 of 2) ...86 Figure 6-5 Remove the pickup roller - HP Color LaserJet CP2020 | Service Manual - Page 16
6-27 Figure 6-28 Figure 6-29 Figure 6-30 Figure 6-31 Figure 6-32 Figure 6-33 Figure 6-34 Figure 6-35 Figure 6-36 Figure 6-37 guide (duplex products 93 Remove the DIMM cover ...94 Remove the print-cartridge drawer (1 of 3 95 Remove the print-cartridge drawer (2 of 3 95 Remove the print-cartridge - HP Color LaserJet CP2020 | Service Manual - Page 17
assembly (1 of 4 121 Figure 6-64 Remove the upper-cover assembly (2 PCA (2 of 5 130 Figure 6-79 Remove the high-voltage power-supply PCA color-misregistration sensor assembly PCA (1 of 5 132 Figure 6-83 Remove the color-misregistration sensor assembly PCA (2 of 5 133 Figure 6-84 Remove the color - HP Color LaserJet CP2020 | Service Manual - Page 18
assembly (4 of 4 161 Remove the fuser (1 of 8) ...162 Remove the fuser (2 of 8) ...163 Remove the fuser (3 of 8) ...163 Remove the fuser (4 of 8) ...164 Remove the fuser (5 of 8) ...164 Remove the fuser (6 of 8) ...165 Remove the fuser (7 of 8) ...165 Remove the fuser (8 of 8) ...166 Reinstall the - HP Color LaserJet CP2020 | Service Manual - Page 19
components ...190 Figure 7-3 Solenoid, clutches, and sensors 191 Figure 7-4 Rollers ...192 Figure 7-5 Motors and fans ...193 Figure 7-6 PCAs ...194 (7 of 7 248 Figure 8-9 Cassette (Tray 2) ...250 Figure 8-10 Fuser assembly ...252 Figure 8-11 PCAs ...254 Figure 8-12 Optional 250-sheet paper - HP Color LaserJet CP2020 | Service Manual - Page 20
xviii ENWW - HP Color LaserJet CP2020 | Service Manual - Page 21
1 Product basics ● Quick access to product information ● Product comparison ● Product features ● Walkaround ● Supported operating systems ● Supported product software ● Connectivity ENWW 1 - HP Color LaserJet CP2020 | Service Manual - Page 22
. See the user guide for more information about software installation. Use the embedded Web server to view product and network status and manage printing functions from your computer. See Embedded Web server on page 9 Provides information about options that are available in the printer drivers. To - HP Color LaserJet CP2020 | Service Manual - Page 23
than one page on a sheet). ● The printer driver provides the option to manually print on both sides, or automatically with the d, dn, and x models. ● Uses print cartridges with HP ColorSphere toner. ● Online user guide is compatible with text screen-readers. ● Print cartridges can be installed and - HP Color LaserJet CP2020 | Service Manual - Page 24
Front and side view 1 Output bin (holds 150 sheets of standard paper) 2 Legal-output extension 3 Front door (provides access to the print cartridges) 4 Tray 1 (multipurpose tray) 5 Tray 2 (holds 250 sheets of standard paper and provides jam access) 6 Optional Tray 3 (holds 250 sheets of standard - HP Color LaserJet CP2020 | Service Manual - Page 25
Back view 1 Hi-Speed USB 2.0 port and network port. (Network port present on HP Color LaserJet CP2025n, HP Color LaserJet CP2025dn, and HP Color LaserJet CP2025x models only.) 2 Power connection 3 Rear door (for jam access) Model and serial numbers The model number and serial number appear on an - HP Color LaserJet CP2020 | Service Manual - Page 26
operating systems The product supports the following operating systems: ● Windows 2000 ● Windows XP (32-bit and 64-bit) ● Windows Server 2003 (32-bit) ● Windows Vista (32-bit and 64-bit) ● Windows Vista Starter ● Mac OS X V10.2.8 and later ● Linux; Web only (print driver only) ● UNIX model scripts - HP Color LaserJet CP2020 | Service Manual - Page 27
the components that are installed. Recommended Installation for Windows ● Printer driver ● HP Update program ● HP Customer Participation Program ● Shop for HP Supplies program Express Installation An Express installation includes the following software: ● Printer driver ● Printer status and alerts - HP Color LaserJet CP2020 | Service Manual - Page 28
about solving the problem. Software for networks HP Web Jetadmin HP Web Jetadmin is a browser-based management tool for network-connected printers within your intranet. It should be installed only on the system administrator's computer. To download a current version of HP Web Jetadmin and - HP Color LaserJet CP2020 | Service Manual - Page 29
Web browser, such as Safari, which allows the user to access the EWS. The EWS can also be accessed directly by typing the network IP address or DNS name of the product into the Web browser. HP USB EWS Gateway software, which is automatically installed, also allows a Web browser to access the product - HP Color LaserJet CP2020 | Service Manual - Page 30
: Recommended software installation ● Windows 2003 Server (64-bit) ● Windows XP (32-bit and 64-bit) ● Windows Vista (32-bit and 64-bit) ● Mac OS X V10.2.8, V10.3, V10.5 Printer driver only ● Linux (Web only) ● UNIX model scripts (Web only) Printer sharing disclaimer HP does not support peer-to - HP Color LaserJet CP2020 | Service Manual - Page 31
are supported. Table 1-5 IP addressing Service name Description DHCP (dynamic host configuration protocol), IPv4, and IPv6 For Automatic IP address assignment. DHCP server provides the product with an IP address. Generally requires no user intervention for product to obtain IP address from - HP Color LaserJet CP2020 | Service Manual - Page 32
12 Chapter 1 Product basics ENWW - HP Color LaserJet CP2020 | Service Manual - Page 33
2 Control panel ● Control-panel walkaround ● Control-panel menus ENWW 13 - HP Color LaserJet CP2020 | Service Manual - Page 34
. ● Open a submenu displayed on the control-panel display. ● Select a menu item. ● Clear some errors. ● Begin a print job in response to a control-panel prompt (for example, when the message [OK ): The Attention light blinks when the product requires user attention. 14 Chapter 2 Control panel ENWW - HP Color LaserJet CP2020 | Service Manual - Page 35
. 5. Press X to exit the menu without saving any changes. The sections that follow describe the options for each of the main menus: ● Reports menu on page 16 ● System setup menu on page 17 ● Network config. menu on page 20 ● Service menu on page 19 ENWW Control-panel menus 15 - HP Color LaserJet CP2020 | Service Manual - Page 36
● Approximate percentage of cartridge life remaining for each color ● Part number ● Number of pages printed Prints a list of all product network settings Prints a page that lists PCL pages, PCL 6 pages, HP Postscript Emulation Universal Print Driver pages, pages that were jammed or mispicked - HP Color LaserJet CP2020 | Service Manual - Page 37
sizes and types. If optional Tray 3 is installed, select the default size and type for Tray color depending on the job. This is the default setting. Select Disable color to make color printing unavailable. All jobs will print in monochrome (black and white). Some internal pages still print in color - HP Color LaserJet CP2020 | Service Manual - Page 38
If an error message is displayed, you must clear the error first. The percentage threshold determines when the product begins reporting low toner. The that a color cartridges is empty, continue printing using black only. Print Test Page: Print a test page that tests printer alignment. Adjust - HP Color LaserJet CP2020 | Service Manual - Page 39
Service menu Use this menu to restore default settings, clean the product, and curl. The default setting is Off. If you are printing pages that will be stored for a long time, use this option to set the product to a mode that reduces toner smearing and dusting. The default setting is Off. Press OK - HP Color LaserJet CP2020 | Service Manual - Page 40
. Menu item TCP IP config Auto crossover Network services Show IP address Link speed Restore defaults Sub-menu item Automatic Manual On Off IPv4 IPv6 IP address of the device. The IP address does not display if an error condition exits. The default setting is No. Sets the link speed manually - HP Color LaserJet CP2020 | Service Manual - Page 41
3 Paper and print media ENWW 21 - HP Color LaserJet CP2020 | Service Manual - Page 42
in this user guide. Paper or print media that does not meet these guidelines might cause the following problems: ● Poor print quality ● Increased jams ● Premature wear on the product, requiring repair For best results, use only HP-brand paper and print media designed for laser printers or multiuse - HP Color LaserJet CP2020 | Service Manual - Page 43
it adapts to various media. NOTE: To obtain the best print results, select the correct paper size and type in your print driver before printing. Table 3-1 Supported paper and print media sizes Size Dimensions Tray 1 Tray 2 or optional Tray 3 Letter 216 x 279 mm (8.5 x 11 inches) Legal 216 - HP Color LaserJet CP2020 | Service Manual - Page 44
Table 3-2 Supported envelopes and postcards (continued) Size Dimensions Envelope DL 110 x 220 mm (4.33 x 8.66 inches) Tray 1 Envelope C5 162 x 229 mm (6.93 x 9.84 inches) Envelope B5 - HP Color LaserJet CP2020 | Service Manual - Page 45
at the back of the tray ● Letterhead envelope ● Heavy envelope ● Preprinted ● Prepunched ● Colored ● Rough ● Tough 1 Capacity can vary depending on media weight and thickness, and environmental conditions. 2 The device supports up to 220 g/m2 (59 lb) for glossy and glossy photo paper. ENWW - HP Color LaserJet CP2020 | Service Manual - Page 46
at the back of the tray ● Letterhead envelope ● Heavy envelope ● Preprinted ● Prepunched ● Colored ● Rough ● Tough 1 Capacity can vary depending on media weight and thickness, and environmental conditions. 2 The device supports up to 220 g/m2 (59 lb) for glossy and glossy photo paper. 26 - HP Color LaserJet CP2020 | Service Manual - Page 47
supports printing on special media. Use the following guidelines to obtain satisfactory results. When using special paper or print media, be sure to set the type and size in your print driver to obtain the best print results. CAUTION: HP LaserJet printers use fusers to bond dry toner particles - HP Color LaserJet CP2020 | Service Manual - Page 48
Load paper and print media Load Tray 1 1. Open Tray 1. 2. If loading long sheets of media, pull out the extension tray. 3. If necessary, flip out the extension. 28 Chapter 3 Paper and print media ENWW - HP Color LaserJet CP2020 | Service Manual - Page 49
2 or 3 1. Pull the tray out of the product. 2. Slide open the paper length and width guides. ● To load Legal-size paper, extend the tray by pressing and holding the extension tab (callout1) while extends from the front of the product about 64 mm (2.5 inches). ENWW Load paper and print media 29 - HP Color LaserJet CP2020 | Service Manual - Page 50
3. Place the paper in the tray and ensure that it is flat at all four corners. Slide the paper length and width guides so that they are against the stack of paper. 4. Push down on the paper to ensure that the paper stack is below the paper limit - HP Color LaserJet CP2020 | Service Manual - Page 51
4 Manage and maintain ● Information pages ● HP ToolboxFX ● Embedded Web server ● HP Web Jetadmin ● Manage supplies ● Replace print cartridges ● Memory and font DIMMs ● Clean the product ● Firmware updates ENWW 31 - HP Color LaserJet CP2020 | Service Manual - Page 52
. The following information pages are available: ● Demo page ● Menu structure ● Configuration page ● Supplies status page ● Network configuration page ● Usage report ● PCL font list ● PS font list ● PCL6 font list ● Color usage report ● Service report ● Diagnostics report 32 Chapter 4 Manage and - HP Color LaserJet CP2020 | Service Manual - Page 53
in Windows XP and Vista), click HP, click HP Color LaserJet CP2020 Series, and then click HP ToolboxFX. HP ToolboxFX contains the following folders: ● Status on page 33 ● Alerts on page 34 ● Product information on page 34 ● Help on page 35 ● Device Settings on page 36 ● Network Settings on page 39 - HP Color LaserJet CP2020 | Service Manual - Page 54
alerts to your computer when the following occur: jams, low levels of toner in HP print cartridges, a non-HP print cartridge in use, empty input trays, and specific error messages. Select to receive a pop-up, a Windows notification area icon, a desktop alert, or any combination of these. The pop - HP Color LaserJet CP2020 | Service Manual - Page 55
. Use the HP Basic Color Match to adjust spot colors in your printed output. ● Animated Demonstrations. View animations that show how to perform common tasks on your device, such as how to get the best print quality, how to remove paper jams, and how to replace a print cartridge. ● User Guide. View - HP Color LaserJet CP2020 | Service Manual - Page 56
. ● PCL5c. Change the PCL settings. ● PostScript. Change the Cartridge low threshold setting, which sets the toner level that causes a low toner settings. After a password is set, users are prompted to type the password before the fields on this page appears on the Configuration page. You can type - HP Color LaserJet CP2020 | Service Manual - Page 57
more information, see Control-panel menus on page 15. The following options are available see Control-panel menus on page 15. NOTE: You must click when you are using the PCL print personality. NOTE: You error option is turned on, the PostScript error page automatically prints when PostScript errors - HP Color LaserJet CP2020 | Service Manual - Page 58
these settings to make fine adjustments in the amount of each color of toner that is used for your printed documents. ● Contrasts. Contrast settings. After a password is set, users are prompted to type the password before they can access any of the HP ToolboxFX pages that read or write data from the - HP Color LaserJet CP2020 | Service Manual - Page 59
might require that you close HP ToolboxFX and reopen it. ● HP Instant Support. Connects to the HP Instant Support Web site. ● Support and Troubleshooting. Connects to the support site for the product where you can search for help with a specific problem. ● Product Registration. Connects to the - HP Color LaserJet CP2020 | Service Manual - Page 60
and use the embedded Web server. View the HP embedded Web server 1. In a supported Web browser on your computer, type the IP address for the product in the address/ URL field. To find the IP address, print a configuration page (see Information pages on page 32). NOTE: After you open the URL, you can - HP Color LaserJet CP2020 | Service Manual - Page 61
the PCL, PCL6, PS Font Lists, and the supplies status page that the product generates. ● Color Usage Job Log: Shows user color print jobs on a job-by-job basis. ● Event Log: Shows a list of all product events and errors. ● Support button: Provides a link to the product support page. The Support - HP Color LaserJet CP2020 | Service Manual - Page 62
Set password on page 34. If this product is on a network, always consult with the printer administrator before changing settings on this tab. System administrators can use this tab to control network-related settings for the product when it is connected to an IP - HP Color LaserJet CP2020 | Service Manual - Page 63
-connected printers within your intranet, and it should be installed only on the network administrator's computer. To download a current version of HP Web Jetadmin and for the latest list of supported host systems, visit www.hp.com/go/webjetadmin. When installed on a host server, a Windows client - HP Color LaserJet CP2020 | Service Manual - Page 64
damage caused by a non-HP print cartridge is not covered under the HP warranty and service agreements. To install a new HP print cartridge, see Replace print cartridges on page 46. To recycle the used cartridge, follow the instructions included with the new cartridge. HP fraud hotline and Web site - HP Color LaserJet CP2020 | Service Manual - Page 65
optimal print quality, HP recommends replacing a print cartridge when the Replace Supplies message displays. Print-quality problems can occur when using a cartridge that is depleted, resulting in waste of print media and toner from other cartridges. Replacing a print cartridge when the Replace - HP Color LaserJet CP2020 | Service Manual - Page 66
Replace print cartridges 1. Open the front door. 2. Pull out the print-cartridge drawer. 3. Grasp the handle on the old print cartridge and then pull the cartridge straight up to remove it. 4. Remove the new print cartridge from the packaging. 46 Chapter 4 Manage and maintain ENWW - HP Color LaserJet CP2020 | Service Manual - Page 67
5. Remove the orange, plastic shield from the bottom of the new print cartridge. CAUTION: Do not touch the imaging drum on the bottom of the print cartridge. Fingerprints on the imaging drum can cause print-quality problems. 6. Insert the new print cartridge into the product. ENWW Replace print - HP Color LaserJet CP2020 | Service Manual - Page 68
7. Pull the tab on the left side of the print cartridge straight up to completely remove the sealing tape. Discard the sealing tape. 8. Close the print-cartridge drawer. 48 Chapter 4 Manage and maintain ENWW - HP Color LaserJet CP2020 | Service Manual - Page 69
9. Close the front door. 10. Place the old print cartridge in the box for the new print cartridge. Follow the recycling instructions that are included in the box. ENWW Replace print cartridges 49 - HP Color LaserJet CP2020 | Service Manual - Page 70
Emulation Printer Driver documents, or if you use many downloaded fonts. More memory also enables multiple collated copies to print at the maximum speed. Before ordering more memory, see how much memory is installed by printing a Configuration page. See Information pages on page 32. CAUTION - HP Color LaserJet CP2020 | Service Manual - Page 71
3. Remove the DIMM access door. 4. To replace an installed DIMM, spread the latches apart on each side of the DIMM slot, lift the DIMM up at an angle, and then pull it out. 5. Remove - HP Color LaserJet CP2020 | Service Manual - Page 72
6. Holding the DIMM by the edges, align the notch on the DIMM with the bar in the DIMM slot at an angle. 7. Push down on the DIMM until both latches engage the DIMM. When the installation is correct, the metal contacts are not visible. NOTE: If you have difficulty inserting the DIMM, check - HP Color LaserJet CP2020 | Service Manual - Page 73
9. Close the DIMM access door. 10. Reconnect the power cable and USB or network cable, and then turn on the product. 11. After installing a memory DIMM, see Enable memory on page 54. ENWW Memory and font DIMMs 53 - HP Color LaserJet CP2020 | Service Manual - Page 74
-quality problems such as toner specks or smearing. This product has a cleaning mode that can correct and prevent these problems. Clean the product using HP ToolboxFX 1. Open HP ToolboxFX. See Open HP ToolboxFX on page 33. 2. Click the Device Settings folder, and then click the Service page. 3. In - HP Color LaserJet CP2020 | Service Manual - Page 75
the Service menu. 4. Click Start. Firmware updates To upgrade the product firmware, download the firmware-update file from www.hp.com/go/ ljcp2020series_software, and save the file to your network or personal computer. See the product install notes for instructions on how to install the firmware - HP Color LaserJet CP2020 | Service Manual - Page 76
56 Chapter 4 Manage and maintain ENWW - HP Color LaserJet CP2020 | Service Manual - Page 77
5 Theory of operation ● Basic operation ● Engine control system ● Laser/scanner system ● Image-formation system ● Pickup-and-feed system ENWW 57 - HP Color LaserJet CP2020 | Service Manual - Page 78
Basic operation Major product systems The product includes the following systems: ● Engine control system ● Laser/scanner system ● Image-formation system ● Pickup-and-feed system Figure 5-1 Product systems LASER SCANNER SYSTEM ENGINE CONTROL SYSTEM IMAGE-FORMATION SYSTEM PICKUP-and-FEED SYSTEM - HP Color LaserJet CP2020 | Service Manual - Page 79
Figure 5-2 Product components 1 23 4 5 6 7 17 Item 1 2 3 4 5 6 7 8 9 16 15 14 13 12 Description Fuser unit Pressure roller Fuser sleeve Delivery roller Cartridge Laser/scanner Photosensitive drum MP-tray separation pad MP-tray pickup roller 11 Item 10 11 12 13 14 15 16 17 10 - HP Color LaserJet CP2020 | Service Manual - Page 80
on, the door is closed, or the Sleep mode is released until the printer gets ready for a print job Brings the printer to printing readiness Detects the pressurization status of the pressure roller, presence of the cartridges, and home position of the development unit; cleans the ITB; and completes - HP Color LaserJet CP2020 | Service Manual - Page 81
Engine control system The engine control system coordinates all printer functions and drives the other four systems. The engine control system contains the DC controller, high-voltage power-supply PCA, power-supply PCA, and fuser power supply PCA. Figure 5-3 Engine control system components - HP Color LaserJet CP2020 | Service Manual - Page 82
DC controller Figure 5-4 DC controller circuit diagram Fuser unit DC controlle r AC input Power supply unit Cartridge ITB unit High-volt age power supply Option Formatter Operation panel Fan M Motor Solenoid CL Clutch Switch Photointerrupter Sensor Laser scanner M Fan Solenoid CL Clutch - HP Color LaserJet CP2020 | Service Manual - Page 83
Low-voltage power supply Figure 5-5 Low-voltage power supply Fuser Fuser ENWW Engine control system 63 - HP Color LaserJet CP2020 | Service Manual - Page 84
Cartridge Photosensitive drum Primary transfer pad ICLB ICLR ITB ITB cleaning unit Secondary transfer roller roller high-voltage generation circuit Secondary transfer high-voltage generation circuit Primary transfer high-voltage generation circuit High-voltage power supply DC controller 64 - HP Color LaserJet CP2020 | Service Manual - Page 85
Laser/scanner system The formatter sends video signals to the DC controller, which controls the laser/scanner. When the laser/ scanner system receives those signals, it converts them to latent images on the photosensitive drum. Figure 5-7 Laser/scanner system Laser failure detection The optical- - HP Color LaserJet CP2020 | Service Manual - Page 86
. Toner is applied in the following order, using only the colors necessary for a specific image: yellow (Y), magenta (M), cyan (C), and black (Bk). Figure 5-8 Image-formation system Fuser uni t Cartridge ITB cleaning unti Laser scanner Laser beam Photosensitive drum Secondary transfer roller - HP Color LaserJet CP2020 | Service Manual - Page 87
process on page 67 and described in the following sections. Figure 5-9 Image-formation process Delivery 7. Fusing Fuser Latent image is applied to the primary charging roller, which is made of conductive rubber and is in contact with the drum surface. As the roller moves across the drum, it - HP Color LaserJet CP2020 | Service Manual - Page 88
Exposed area Developing stage The developing cylinder comes in contact with the photosensitive drum and deposits toner on the electrostatic latent image. Step 3: development Toner acquires a negative charge as a result of the friction from the developing cylinder rotating against the developing - HP Color LaserJet CP2020 | Service Manual - Page 89
positive bias is applied to the secondary transfer roller. As the media passes between the secondary transfer roller and the ITB, the toner image is transferred to the media. Figure 5-14 Secondary transfer Media ITB ITB drive roller Secondary transfer roller DC bias ENWW Image-formation system 69 - HP Color LaserJet CP2020 | Service Manual - Page 90
. Step 7: fusing The product uses an on-demand fixing method to fix the toner image onto the media. The toner image is permanently affixed to the print media by the heat and pressure. Figure 5-16 Fusing Pressure roller Fuser film Fuser heater Media Toner 70 Chapter 5 Theory of operation ENWW - HP Color LaserJet CP2020 | Service Manual - Page 91
to the photosensitive drum from the ITB surface. Figure 5-17 ITB cleaning Positive potential waste toner Negative potential waste toner Cartridge Partition sheet ITB cleaning brush Sweeper strip DC bias Photosensitive drum ITB cleaning roller ITB DC bias ENWW Image-formation system 71 - HP Color LaserJet CP2020 | Service Manual - Page 92
the surface for the next latent-image formation. Step 9: drum cleaning The cleaning blade scrapes the residual toner off the surface of the photosensitive drum and deposits it in the waste-toner container. The drum is now clear, and is ready for the next image-formation process. Figure 5-18 - HP Color LaserJet CP2020 | Service Manual - Page 93
SR10 SR4 SR12 SR1 SR13 ITB SR7 SR14 Deliver y roller SL5 Flapper M1 CL2 M4 Pressure roller Fuser sleeve Secondary transfe r roller ITB Registration roller Cassette pickup rolle r SL2 M3 M5 CL1 Item Cassette sep aration roller Duplex model only Description Item SR1 SR4 SR7 SR8 - HP Color LaserJet CP2020 | Service Manual - Page 94
Item SR14 SR15 Description Item MP tray media present sensor CL1 Face-down bin media-full sensor CL2 (output bin) Description MP tray feed clutch Duplex feed clutch (duplex models only) 74 Chapter 5 Theory of operation ENWW - HP Color LaserJet CP2020 | Service Manual - Page 95
whether media is being fed correctly or has jammed: ● Cassette media-presence sensor ● Top-of-page sensor ● Loop sensor ● Priority slot media-presence sensor ● Priority slot top-of-page sensor ● Fuser delivery sensor The product detects the following jams: ● Pickup delay jam ● Pickup stationary jam - HP Color LaserJet CP2020 | Service Manual - Page 96
76 Chapter 5 Theory of operation ENWW - HP Color LaserJet CP2020 | Service Manual - Page 97
6 Removal and replacement ● Removal and replacement strategy ● Print cartridges ● Tray 2 cassette ● Rollers and pads ● Components and major assemblies ENWW 77 - HP Color LaserJet CP2020 | Service Manual - Page 98
HP does not support repairing individual subassemblies or troubleshooting to the component level. Note the length, diameter, color , or wire-harness guides. General cautions during cables (FFCs) during removal or installation. Also, do not straighten prefolds . Always perform service work at an - HP Color LaserJet CP2020 | Service Manual - Page 99
one component with the screws that are removed from another component. For a complete list of screw types and part numbers, see Parts and diagrams on page 229. ENWW Removal and replacement strategy 79 - HP Color LaserJet CP2020 | Service Manual - Page 100
chassis before touching an ESD-sensitive part. ● Remove the print cartridges. See Print cartridges on page 82. ● Remove the Tray 2 cassette. After performing service ● Plug in the power cable. ● Reinstall the print cartridges. ● Reinstall the Tray 2 cassette. 80 Chapter 6 Removal and replacement - HP Color LaserJet CP2020 | Service Manual - Page 101
Post-service test After service has been completed, perform the following test to verify then turn on the product. 4. Verify that the expected startup sounds occur. 5. Print a configuration page, and then verify that the expected printing sounds occur. 6. Use the control-panel menus to calibrate - HP Color LaserJet CP2020 | Service Manual - Page 102
Print cartridges CAUTION: If toner gets on any clothing, wipe it off with a dry cloth and wash the clothing in cold water. Hot water sets toner into the fabric. 1. Open the front door and pull out the print-cartridge drawer. 2. Grasp the handle on the print cartridge, and then pull the cartridge - HP Color LaserJet CP2020 | Service Manual - Page 103
Tray 2 cassette Pull the tray straight out of the product to remove it. Figure 6-3 Remove the Tray 2 cassette ENWW Tray 2 cassette 83 - HP Color LaserJet CP2020 | Service Manual - Page 104
and pads Transfer roller The transfer roller is a component of the paper-feed assembly and not available as an individual part. To remove and replace the transfer roller, install a replacement paper-feed assembly. See Paper-feed guide assembly on page 101. 84 Chapter 6 Removal and replacement - HP Color LaserJet CP2020 | Service Manual - Page 105
are going to replace the roller. Skin oils on the roller can cause paper-pickup problems. 1. Turn the product on, and wait for it to reach the Ready state. Perform the following steps to rotate the roller to the service position. NOTE: If you have removed Tray 2 to service the product, reinstall the - HP Color LaserJet CP2020 | Service Manual - Page 106
cover and rear door. Excess toner might enter the laser/scanner assembly and contaminate the mirrors, causing print-quality problems. The laser/scanner is the pickup roller (1 of 2) 3. Release the two white plastic locking tabs and remove the pickup roller. Figure 6-5 Remove the pickup roller (2 of - HP Color LaserJet CP2020 | Service Manual - Page 107
can cause paper-pickup problems. 1. Remove the paper pickup roller. See Paper-pickup roller on page 85. 2. Remove Tray 2 (if installed), and then carefully raise the front of the product. WARNING! Do not place the product face-up resting on the rear cover and rear door. Excess toner might enter the - HP Color LaserJet CP2020 | Service Manual - Page 108
3. Release the two roller-cover locking pins, and then remove the cover. Figure 6-7 Remove the separation roller (2 of 3) 4. Release the roller holder to release the roller-locking pins. Remove the separation roller. Figure 6-8 Remove the separation roller (3 of 3) 88 Chapter 6 Removal and - HP Color LaserJet CP2020 | Service Manual - Page 109
Reinstall the separation roller 1. Install the replacement separation roller. 2. Reinstall the separation roller cover on the locking pins, and then rotate it toward the roller until you hear it snap into place. Figure 6-9 Reinstall the separation roller ENWW Rollers and pads 89 - HP Color LaserJet CP2020 | Service Manual - Page 110
Paper-pickup roller (Tray 1) The roller must be rotated into the service position to remove it. CAUTION: Avoid touching the spongy roller surface unless you are going to replace the roller. Skin oils on the roller can cause paper pickup problems. 1. Turn the product on, and wait for it to reach the - HP Color LaserJet CP2020 | Service Manual - Page 111
and rear door. Excess toner might enter the laser/scanner assembly and contaminate the mirrors, causing print-quality problems. The laser/scanner is Figure 6-11 Remove the Tray 1 paper-pickup roller (2 of 3) 4. Release two tabs, and then rotate the roller away from the product to remove it. Figure - HP Color LaserJet CP2020 | Service Manual - Page 112
CAUTION: Avoid touching the pad surface unless you are going to replace the pad. Skin oils on the pad can cause paper-pickup problems. 1. Remove Tray 2 (if installed). 2. Lower the Tray 1 paper-pickup assembly by pushing down on the edges of the assembly. Figure 6-13 Remove the Tray 1 separation pad - HP Color LaserJet CP2020 | Service Manual - Page 113
assembly (duplex products; callout 3). If the link-guide attachment at the rear door or duplexing feed guide assembly fails, replace the appropriate component. The interior paper guide is not replaceable. If the link guide to paper guide attachment fails, you must replace the entire product. Figure - HP Color LaserJet CP2020 | Service Manual - Page 114
DIMM cover 1. Open the DIMM cover. 2. Lift the cover up to release it, and then remove the cover. Figure 6-17 Remove the DIMM cover 94 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 115
, and then use a small, flat-blade screwdriver to release one tab (callout 1) on the left side of the product. Figure 6-18 Remove the print-cartridge drawer (1 of 3) 1 3. Carefully rotate the print-cartridge drawer toward the right side of the product to release it. Figure 6-19 Remove the print - HP Color LaserJet CP2020 | Service Manual - Page 116
4. Pull the print-cartridge drawer out of the product to remove it. Figure 6-20 Remove the print-cartridge drawer (3 of 3) 96 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 117
Intermediate transfer belt (ITB) 1. Remove the print-cartridge drawer. See Print-cartridge drawer on page 95. 2. Open the front door, and then remove two screws (callout 1). Figure 6-21 Remove the ITB (1 of 6) 1 3. Carefully rotate the color misregistration sensor away from the ITB. CAUTION: The - HP Color LaserJet CP2020 | Service Manual - Page 118
on the front of the ITB to release it. CAUTION: Avoid touching the black plastic transfer belt. Skin oils on the belt might cause printquality problems. Lift the ITB as shown below by using the hard-plastic edges of the ITB. Figure 6-24 Remove the ITB (4 of 6) 98 Chapter 6 Removal and - HP Color LaserJet CP2020 | Service Manual - Page 119
portion (callout 3). CAUTION: Avoid touching the black plastic transfer belt. Skin oils on the belt might cause printquality problems. NOTE: You might need to reach in through the front door and support the front portion of the ITB to keep it from falling back into place as you perform this step - HP Color LaserJet CP2020 | Service Manual - Page 120
against the chassis before the mounting screws are installed. See Figure 6-22 Remove the ITB (2 of 6) on page 97 and Figure 6-21 Remove the ITB (1 of 6) on page 97. Figure 6-27 Reinstall the ITB HP Color LaserJet CP2025dn Diagnostics Page Calibration Information Power-On Calibration : 15 Minutes - HP Color LaserJet CP2020 | Service Manual - Page 121
assembly NOTE: A simplex model is shown below. Duplex and simplex models use the same paper-feed guide assembly, and the removal and replacement processes are identical. 1. Remove one screw (callout 1). CAUTION: The bushing on this screw is not captive. Do not lose - HP Color LaserJet CP2020 | Service Manual - Page 122
2. Remove the feed assembly. CAUTION: Do not touch the black sponge portion of the roller. Skin oils on the roller can cause print-quality problems. Reinstallation tip When the feed assembly is correctly reinstalled, the assembly can move in relation to the door. It should not be secured firmly to - HP Color LaserJet CP2020 | Service Manual - Page 123
, and then remove the link cap. TIP: It might be easier to remove the link caps if you remove the feed assembly. See Paper-feed guide assembly on page 101. Figure 6-30 Remove the rear-door stopper and link caps (simplex product) (1 of 2) 3. Use a small, flat-blade screwdriver to carefully remove the - HP Color LaserJet CP2020 | Service Manual - Page 124
the link cap. TIP: It might be easier to remove the link cap if you remove the feed assembly. See Paper-feed guide assembly on page 101. Figure 6-32 Remove the rear door (simplex product) (1 of 4) 3. Remove four screws (callout 1). Figure 6-33 Remove the rear door (simplex product) (2 of 4) 1 104 - HP Color LaserJet CP2020 | Service Manual - Page 125
4. Before you remove the rear door, take note of the alignment pins on the door. Figure 6-34 Remove the rear door (simplex product) (3 of 4) 5. Remove the rear door. Figure 6-35 Remove the rear door (simplex product) (4 of 4) ENWW Components and major assemblies 105 - HP Color LaserJet CP2020 | Service Manual - Page 126
Rear door (duplex product) 1. Open the rear door. 2. Use the green handle to close the duplex-feed assembly. Figure 6-36 Remove the rear door (duplex product) (1 of 4) 3. Remove two screws (callout 1). Figure 6-37 Remove the rear door (duplex product) (2 of 4) 1 106 Chapter 6 Removal and - HP Color LaserJet CP2020 | Service Manual - Page 127
4. Before you remove the rear door, take note of the mounting tabs on the door. Figure 6-38 Remove the rear door (duplex product) (3 of 4) 5. Slide the door away from the product to release two tabs, and then remove the door. Figure 6-39 Remove the rear door (duplex product) (4 of 4) ENWW - HP Color LaserJet CP2020 | Service Manual - Page 128
Right cover 1. Remove the DIMM cover. See DIMM cover on page 94. 2. Open the rear cover, and then remove three screws (callout 1). Figure 6-40 Remove the right cover (1 of 5) 1 3. Before you proceed, take note of the - HP Color LaserJet CP2020 | Service Manual - Page 129
4. Slide the right cover toward the back of the product. Figure 6-42 Remove the right cover (3 of 5) 5. Release one tab (callout 2). Figure 6-43 Remove the right cover (4 of 5) 2 ENWW Components and major assemblies 109 - HP Color LaserJet CP2020 | Service Manual - Page 130
cover NOTE: Do not reinstall the DIMM cover before reinstalling the right cover. The cover will interfere with the product chassis and prevent the correct installation of the right cover. ● Before you reinstall the right cover, take note of the mounting tab locations on the back of the cover. Figure - HP Color LaserJet CP2020 | Service Manual - Page 131
Rear-upper cover (duplex product) 1. Open the rear cover. 2. Remove two screws (callout 1). Figure 6-46 Remove the rear-upper cover (1 of 2) 1 3. Slightly separate the cover from the product, and rotate the cover down and then away from the product to remove it. Figure 6-47 Remove the rear-upper - HP Color LaserJet CP2020 | Service Manual - Page 132
Rear-door stopper and link caps (simplex product) on page 103. ● Rear door (simplex products). See Rear door (simplex product) on page 104. ● Right cover. See Right cover on page 108. 2. Carefully release the link guide from the pivot pin on the feed guide. Figure 6-48 Remove the rear cover and feed - HP Color LaserJet CP2020 | Service Manual - Page 133
4. Release two tabs (callout 2). Figure 6-50 Remove the rear cover and feed guide (simplex product) (3 of 6) 2 ENWW Components and major assemblies 113 - HP Color LaserJet CP2020 | Service Manual - Page 134
5. Carefully lift the cover up, and then rotate it away from the product to remove it. Figure 6-51 Remove the rear cover and feed guide (simplex product) (4 of 6) 2 2 1 Reinstallation tip Make sure that the wire harnesses at the top of the chassis near the left-side cover are correctly retained - HP Color LaserJet CP2020 | Service Manual - Page 135
6. Carefully release a feed-guide hinge pin from the rear cover to release the feed guide. Figure 6-52 Remove the rear cover and feed guide (simplex product) (5 of 6) 7. Remove the feed guide. Figure 6-53 Remove the rear cover and feed guide (simplex product) (6 of 6) ENWW Components and major - HP Color LaserJet CP2020 | Service Manual - Page 136
108. ● Rear-upper cover (duplex products). See Rear-upper cover (duplex product) on page 111. ● Rear door (duplex products). See Rear door (duplex product) on page 106. 2. Use a pair of needle-nose pliers to release two tabs, and then remove the rear-door link cap. Repeat this step for the remaining - HP Color LaserJet CP2020 | Service Manual - Page 137
of the cover, and then lift up the other side of the cover to release it. Figure 6-57 Remove the rear-lower cover and link-guides (duplex product) (4 of 6) ENWW Components and major assemblies 117 - HP Color LaserJet CP2020 | Service Manual - Page 138
product to remove it. Figure 6-58 Remove the rear-lower cover and link-guides (duplex product) (5 of 6) 8. Rotate the rear-door link until the NOTE: If you are installing a replacement rear-lower cover, remove the rear-door links from the discarded cover, and then install them on the replacement - HP Color LaserJet CP2020 | Service Manual - Page 139
106. ● Rear-lower cover (duplex products). See Rear-lower cover and rear-door links (duplex product) on page 116. 2. Disconnect one connector (callout 1). TIP: The PCA can be dislodged when disconnecting the connector. To secure the PCA, carefully push it towards the inside - HP Color LaserJet CP2020 | Service Manual - Page 140
3. Slide the assembly toward the power cord side of the product to release the hinge pin. Figure 6-61 Remove the rear-door rib assembly (duplex product) (2 of 3) 4. Remove the assembly. Figure 6-62 Remove the rear-door rib assembly (duplex product) (3 of 3) 120 Chapter 6 Removal and replacement - HP Color LaserJet CP2020 | Service Manual - Page 141
rear-upper cover (duplex products). See Rear-upper cover (duplex product) on page 111. 2. Remove one screw (callout 1). Figure 6-63 Remove the upper-cover assembly (1 of 4) 1 3. Release one tab (callout 2). Figure 6-64 Remove the upper-cover assembly (2 of 4) 2 ENWW Components and major assemblies - HP Color LaserJet CP2020 | Service Manual - Page 142
remove the cover. NOTE: When you reinstall the upper cover, ensure that all the mounting tabs are correctly seated. See Reinstall the upper cover on page 123. Figure 6-66 Remove the upper-cover assembly (4 of 4) 122 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 143
Reinstall the upper cover ● When you reinstall the upper cover, ensure that the two tabs in the paper delivery area are fully seated into the chassis. Figure 6-67 Upper-cover tabs not correctly seated Figure 6-68 Upper-cover tabs correctly seated ENWW Components and major assemblies 123 - HP Color LaserJet CP2020 | Service Manual - Page 144
or fold the flat flexible cables (FFCs) during removal or installation. Also, do not straighten prefolds in the FFCs. You must cover on page 108. ● Rear-upper cover (duplex products). See Rear-upper cover (duplex product) on page 111. ● Upper-cover assembly. See Upper-cover assembly on page 121. - HP Color LaserJet CP2020 | Service Manual - Page 145
3. Open the front door, and then remove one screw (callout 3). Figure 6-70 Remove the control-panel assembly (2 of 3) 3 4. Remove the control-panel assembly. Figure 6-71 Remove the control-panel assembly (3 of 3) ENWW Components and major assemblies 125 - HP Color LaserJet CP2020 | Service Manual - Page 146
● Rear cover (simplex products). See Rear cover and feed guide (simplex product) on page 112. ● Rear-lower cover (duplex products). See Rear-upper cover (duplex product) on page 111. ● Upper-cover assembly. See Upper-cover assembly on page 121. 2. Remove one screw (callout 1). Figure 6-72 Remove the - HP Color LaserJet CP2020 | Service Manual - Page 147
4. Remove the cover. Figure 6-74 Remove the left cover (3 of 3) Reinstall the left cover 1. When you reinstall the left cover, ensure that the slot in the cover (callout 1) aligns with the tab (callout 2) on the product. Figure 6-75 Reinstall the left cover (1 of 2) 2 1 ENWW Components and major - HP Color LaserJet CP2020 | Service Manual - Page 148
2. When you reinstall the left cover, ensure that the pin on the cover (callout 3) aligns with the slot (callout 4) in the product. Figure 6-76 Reinstall the left cover (2 of 2) 4 3 128 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 149
(simplex products). See Rear door (simplex product) on page 104. ● Rear cover (simplex products). See Rear cover and feed guide (simplex product) on page 112. ● Rear-lower cover (duplex products). See Rear-upper cover (duplex product) on page 111. 2. Remove two screws (callout 1), and then remove - HP Color LaserJet CP2020 | Service Manual - Page 150
then remove the black-plastic cover. Figure 6-78 Remove the high-voltage power-supply PCA (2 of 5) 3 4. Disconnect one FFC (callout 4) on the DC controller. Figure 6-79 Remove the high-voltage power-supply PCA (3 of 5) 4 130 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 151
5. Disconnect one connector (callout 5), and then remove six screws (callout 6). Figure 6-80 Remove the high-voltage power-supply PCA (4 of 5) 6 5 6. Release ten tabs (callout 7), and then remove the high-voltage power-supply PCA. Figure 6-81 Remove the high-voltage power-supply PCA (5 of 5) 7 ENWW - HP Color LaserJet CP2020 | Service Manual - Page 152
-voltage power-supply PCA. See High-voltage power-supply PCA on page 129. 2. Disconnect one connector (callout 1), and then release the wire harness from the guide (callout 2). Figure 6-82 Remove the color-misregistration sensor assembly PCA (1 of 5) 1 2 132 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 153
3. Release the wire harness from the guide (callout 3). NOTE: When you remove the sensor assembly later in this procedure, pass the connector and wire harness through the hole in the chassis (callout 4). Figure 6-83 Remove the color-misregistration sensor assembly PCA (2 of 5) 3 4 4. Remove two - HP Color LaserJet CP2020 | Service Manual - Page 154
wire harness through the hole in the chassis. NOTE: See callout 4 in Figure 6-83 Remove the color-misregistration sensor assembly PCA (2 of 5) on page 133. Figure 6-85 Remove the color-misregistration sensor assembly PCA (4 of 5) 6 6. Remove the sensor assembly from the product. Figure 6-86 Remove - HP Color LaserJet CP2020 | Service Manual - Page 155
the ITB side of the product. Figure 6-87 Reinstall the color-misregistration sensor assembly PCA (1 of 2) 2. Use a small flat blade screwdriver to guide the connector through the hole. Figure 6-88 Reinstall the color-misregistration sensor assembly PCA (2 of 2) ENWW Components and major assemblies - HP Color LaserJet CP2020 | Service Manual - Page 156
. ● Rear-upper cover (duplex products). See Rear-upper cover (duplex product) on page 111. ● Upper-cover assembly. See Upper-cover assembly on page 121. ● Control-panel assembly. See Control-panel assembly on page 124. 2. Disconnect one connector (callout 1; J206) on the DC controller. Figure 6-89 - HP Color LaserJet CP2020 | Service Manual - Page 157
screws (callout 3). Figure 6-91 Remove the right panel (3 of 8) 3 5. Disconnect two connectors (callout 4), release the fan wire harness from the guide (callout 5), and then remove three screws (callout 6). Figure 6-92 Remove the right panel (4 of 8) 4 5 6 ENWW Components and major assemblies 137 - HP Color LaserJet CP2020 | Service Manual - Page 158
6. Place the power button in the on position (callout 7). TIP: When you reinstall the panel, ensure that you place the power button in the off position so that the product does not immediately turn on when the power cord is plugged into the wall receptacle. Figure 6-93 Remove the right panel (5 of - HP Color LaserJet CP2020 | Service Manual - Page 159
right panel, you must remove the fan and the right-front cover (the cover includes the power button) from the right panel. See Fan on page 146 and Right-front cover and power button on page 148. Figure 6-96 Remove the right panel (8 of 8) ENWW Components and major assemblies 139 - HP Color LaserJet CP2020 | Service Manual - Page 160
) This procedure can be used to remove motor M1 or motor M2 separately. CAUTION: HP does not recommend that you remove or replace both motors at the same time. 1. Remove the right cover. See Right cover on page 108. 2. Disconnect one connector (callout 1) for motor M1 or motor M2 (or both). Figure - HP Color LaserJet CP2020 | Service Manual - Page 161
4. Remove three screws (callout 4) to remove motor M1, or remove three screws (callout 5) to remove motor M2. Figure 6-99 Remove motor M1 or motor M2 (3 of 3) 5 4 ENWW Components and major assemblies 141 - HP Color LaserJet CP2020 | Service Manual - Page 162
severe print-quality problems. Replacing the DC controller PCA before the formatter PCA Use the following procedure if you need to install a replacement DC PCA on page 142. 1. Install a replacement DC controller PCA. 2. Turn the product on, and wait for the print-cartridge volume indicators to - HP Color LaserJet CP2020 | Service Manual - Page 163
2. Disconnect all the connectors. Figure 6-100 Remove the DC controller PCA (1 of 2) 3. Remove four screws (callout 1) and then remove the DC controller PCA. Figure 6-101 Remove the DC controller PCA (2 of 2) 1 ENWW Components and major assemblies 143 - HP Color LaserJet CP2020 | Service Manual - Page 164
in severe print-quality problems. NOTE: The base model does not have a fax card installed. Replacing the formatter PCA installing a replacement formatter PCA, go to Remove the formatter PCA on page 144. 1. Install a replacement formatter PCA. 2. Turn the product on, and wait for the print-cartridge - HP Color LaserJet CP2020 | Service Manual - Page 165
2. Disconnect all the connectors. Figure 6-102 Remove the formatter PCA (1 of 2) 3. Remove four screws (callout 1), and then remove the formatter PCA. Figure 6-103 Remove the formatter PCA (2 of 2) 1 ENWW Components and major assemblies 145 - HP Color LaserJet CP2020 | Service Manual - Page 166
Fan 1. Remove the right cover. See Right cover on page 108. 2. Disconnect one connector (callout 1) and then release the wire harness from the retainer (callout 2). Figure 6-104 Remove the fan (1 of 2) 1 2 3. Release one tab (callout 3), - HP Color LaserJet CP2020 | Service Manual - Page 167
Intermediate PCA 1. Remove the following components: ● Upper cover. See Right cover on page 108. ● Upper cover. See Upper-cover assembly on page 121. ● Right panel. See Right panel on page 136. 2. Disconnect all the connectors (callout 1) on the PCA and one FFC (callout 2). Figure 6-106 Remove the - HP Color LaserJet CP2020 | Service Manual - Page 168
cover (duplex products). See Rear-upper cover (duplex product) on page 111. ● Upper-cover assembly. See Upper-cover assembly on page 121. ● Control-panel assembly. See Control-panel assembly on page 124. ● Right panel. See Right panel on page 136. 2. Lift up on one tab (callout 1) and then slide - HP Color LaserJet CP2020 | Service Manual - Page 169
3. Release two tabs (callout 2), and then remove the power button. Figure 6-109 Remove the right-front cover and power button (2 of 2) 2 ENWW Components and major assemblies 149 - HP Color LaserJet CP2020 | Service Manual - Page 170
● Rear cover (simplex products). See Rear cover and feed guide (simplex product) on page 112. ● Rear-upper cover (duplex products). See Rear-upper cover (duplex product) on page 111. ● Upper-cover assembly. See Upper-cover assembly on page 121. ● Control-panel assembly. See Control-panel assembly on - HP Color LaserJet CP2020 | Service Manual - Page 171
3. Disconnect three connectors (callout 3), and then release the wire harnesses from the retainer (callout 4). Figure 6-111 Remove the power-supply sub PCA (2 of 6) 3 4 4. Release one tab (callout 5), and then remove the retainer (callout 6). Figure 6-112 Remove the power-supply sub PCA (3 of 6) 5 6 - HP Color LaserJet CP2020 | Service Manual - Page 172
5. Disconnect two connectors (callout 7), and then release the wire harnesses from the retainer (callout 8). Figure 6-113 Remove the power-supply sub PCA (4 of 6) 7 8 6. Release one tab (callout 9), and one pin (callout 10) to release the retainer and PCA assembly (callout 11). Figure 6-114 Remove - HP Color LaserJet CP2020 | Service Manual - Page 173
7. Remove the retainer and power-supply sub PCA. Figure 6-115 Remove the power-supply sub PCA (6 of 6) ENWW Components and major assemblies 153 - HP Color LaserJet CP2020 | Service Manual - Page 174
Fuser motor assembly 1. Remove the following components: ● Right cover. See Right cover on page 108. ● Formatter PCA. See Formatter PCA on page 144. ● Rear door (simplex products). See Rear door (simplex product) on page 104. ● Rear cover (simplex products). See Rear cover and feed guide (simplex - HP Color LaserJet CP2020 | Service Manual - Page 175
and then release the wire harnesses from the retainer (callout 4). Figure 6-117 Remove the fuser motor assembly (2 of 8) 3 4 4. Release one tab (callout 5), and then remove the retainer (callout 6). Figure 6-118 Remove the fuser motor assembly (3 of 8) 5 6 ENWW Components and major assemblies 155 - HP Color LaserJet CP2020 | Service Manual - Page 176
5. Disconnect two connectors (callout 7), and then release the wire harnesses from the retainer (callout 8). Figure 6-119 Remove the fuser motor assembly (4 of 8) 7 8 6. Release one tab (callout 9), and one pin (callout 10) to release the retainer and PCA assembly (callout 11). Figure 6-120 Remove - HP Color LaserJet CP2020 | Service Manual - Page 177
PCA assembly. Figure 6-121 Remove the fuser motor assembly (6 of 8) 8. Be careful, the spring and the gears behind the fuser motor assembly are not captive. CAUTION: Do not lose the spring or gears when you remove the fuser motor assembly. Figure 6-122 Remove the fuser motor assembly (7 of 8) ENWW - HP Color LaserJet CP2020 | Service Manual - Page 178
positioned in the hole and slot provided in the assembly mounting bracket. The assembly mounting bracket fits flat against the product chassis when the fuser motor assembly is correctly installed. Figure 6-124 Reinstall the fuser motor assembly 1 2 158 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 179
Remove the following components: ● Right cover. See Right cover on page 108. ● Rear door (simplex products). See Rear door (simplex product) on page 104. ● Rear cover (simplex products). See Rear cover and feed guide (simplex product) on page 112. ● Rear-upper cover (duplex products). See Rear-upper - HP Color LaserJet CP2020 | Service Manual - Page 180
3. Release the wire harnesses from the retainer (callout 2). Figure 6-126 Remove the duplex reverse-drive assembly (2 of 4) 2 4. Remove three screws (callout 3). Figure 6-127 Remove the duplex reverse-drive assembly (3 of 4) 3 160 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 181
5. Remove the duplex reverse-drive assembly. Figure 6-128 Remove the duplex reverse-drive assembly (4 of 4) ENWW Components and major assemblies 161 - HP Color LaserJet CP2020 | Service Manual - Page 182
power, allow the fuser to cool for at least five minutes before removing it. NOTE: The fuser can be removed page 104. ● Rear cover (simplex products). See Rear cover and feed guide (simplex product) on page 112. ● Rear-upper cover (duplex products). See Rear-upper cover (duplex product) on page - HP Color LaserJet CP2020 | Service Manual - Page 183
release the wire harnesses from the guide (callout 3). Reinstallation tip When the upper cover is reinstalled, make sure that these wire harnesses (near the connectors) are correctly routed under the cover. Figure 6-130 Remove the fuser (2 of 8) 2 3 4. Disconnect one connector (callout 4). Figure - HP Color LaserJet CP2020 | Service Manual - Page 184
proceed, look at Figure 6-132 Remove the fuser (4 of 8) on page 164. In the following step, the connector and guide will be separated from the fuser. You must not use too much force and damage the lower portion of the guide. If the guide is damaged, the fuser must be replaced. Figure 6-132 Remove - HP Color LaserJet CP2020 | Service Manual - Page 185
7. Remove two screws (callout 6). Figure 6-134 Remove the fuser (6 of 8) 6 8. Remove the fuser. Figure 6-135 Remove the fuser (7 of 8) ENWW Components and major assemblies 165 - HP Color LaserJet CP2020 | Service Manual - Page 186
9. Duplex models only: Remove two screws (callout 7) and remove the duplex-gear assembly (callout 8). Install the assembly on the replacement fuser. Figure 6-136 Remove the fuser (8 of 8) 8 7 166 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 187
must insert the tabs (callout 1) on the fuser frame into the slots on the product chassis (callout 2). WARNING! The fuser frame must be flush against the product chassis before you install the two fuser mounting screws. Do not use the screws to pull the fuser frame against the chassis. Figure 6-137 - HP Color LaserJet CP2020 | Service Manual - Page 188
door (simplex products). See Rear door (simplex product) on page 104. ● Rear cover (simplex products). See Rear cover and feed guide (simplex product) on page 112. ● Rear-upper cover (duplex products). See Rear-upper cover (duplex product) on page 111. ● Rear door (duplex products). See Rear door - HP Color LaserJet CP2020 | Service Manual - Page 189
3. Disconnect two connectors (callout 3), and then release the wire harnesses from the wire clip (callout 4). Figure 6-139 Remove the paper-delivery assembly (2 of 4) 4 3 4. Remove three screws (callout 5). Figure 6-140 Remove the paper-delivery assembly (3 of 4) 5 ENWW Components and major - HP Color LaserJet CP2020 | Service Manual - Page 190
5. Remove the paper-delivery assembly. Figure 6-141 Remove the paper-delivery assembly (4 of 4) 170 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 191
-door assembly 1. Remove the following components: ● Print-cartridge drawer. See Print-cartridge drawer on page 95 ● Right cover. See Right cover on page 108. ● Upper-cover assembly. See Upper-cover assembly on page 121. ● Left cover. See Left cover on page 126. ● Rear door (simplex products). See - HP Color LaserJet CP2020 | Service Manual - Page 192
3. Use a precision point screwdriver to push the left-side door pin out of the link. NOTE: A precision-point screwdriver is required to release the front door pins. The width of the blade must be 2 mm (0.08 in) or less to be able to push the door pins out of the mounting holes. Figure 6-143 Remove - HP Color LaserJet CP2020 | Service Manual - Page 193
5. Remove two screws (callout 1) and separate the door bushing (callout 2) from the chassis. Figure 6-145 Remove the front-door assembly (4 of 10) 2 1 6. Release the bushing from the door-retainer link (callout 3). Figure 6-146 Remove the front-door assembly (5 of 10) 3 ENWW Components and major - HP Color LaserJet CP2020 | Service Manual - Page 194
the door assembly, and carefully release the pin on the right-side link. Figure 6-147 Remove the front-door assembly (6 of 10) 8. Support the door assembly, and carefully release the upper pin on the left-side link. Figure 6-148 Remove the front-door assembly (7 of 10) 174 Chapter 6 - HP Color LaserJet CP2020 | Service Manual - Page 195
9. Push the black-plastic arm into the product. Figure 6-149 Remove the front-door assembly (8 of 10) 10. Support the door assembly, and carefully release the lower pin on the left-side link. Figure 6-150 Remove the front-door assembly (9 of 10) ENWW Components and major assemblies 175 - HP Color LaserJet CP2020 | Service Manual - Page 196
the front-door assembly. Figure 6-151 Remove the front-door assembly (10 of 10) Reinstall the front-door assembly Use this procedure if you are installing a replacement front-door assembly. 1. Open Tray 1, and then rotate the retainer arm until the tabs on the arm-hinge pin align with the slots in - HP Color LaserJet CP2020 | Service Manual - Page 197
2. Remove the retainer arm from the door assembly, and then install it on the replacement-door assembly. Figure 6-153 Reinstall the front-door assembly (2 of 2) ENWW Components and major assemblies 177 - HP Color LaserJet CP2020 | Service Manual - Page 198
178 Chapter 6 Removal and replacement ENWW - HP Color LaserJet CP2020 | Service Manual - Page 199
● Solve problems checklist ● Menu map ● Troubleshooting process ● Tools for troubleshooting ● Problem-solve diagrams ● Control-panel messages ● Pages and reports ● Paper-handling problems ● Image defects ● Solve connectivity problems ● Service mode functions ● Performance problems ENWW 179 - HP Color LaserJet CP2020 | Service Manual - Page 200
have a basic understanding of the HP LaserJet printing process. Explanations of each mechanical assembly, the printer systems, and the basic theory of operation are contained in Theory of operation on page 57. Do not perform any of these troubleshooting processes unless you understand the function - HP Color LaserJet CP2020 | Service Manual - Page 201
correctly, and was the pull tab on the cartridge removed? For additional information about installation and setup, see the product getting started guide. If you cannot find solutions to problems in this guide, go to www.hp.com/support/ljcp2020series. Menu map Print a menu map 1. Press OK to - HP Color LaserJet CP2020 | Service Manual - Page 202
? ● Is the media correctly placed in the tray? ● Are the paper guides aligned with the stack? ● Is the cassette correctly installed in the product? ● Is each print cartridge installed correctly? ● Are the transfer unit and fuser installed correctly? ● Is the front door closed? 182 Chapter - HP Color LaserJet CP2020 | Service Manual - Page 203
2 hours. ● Check for and remove any non-HP components (for example, print cartridges or memory modules) from the product. ● Check to see whether the hardware or software configuration has changed or the problem is not associated with any specific software. ● Remove the product from the network and - HP Color LaserJet CP2020 | Service Manual - Page 204
a surge protector or power strip. ● Verify that the power button is in the on position. ● Verify that the formatter is seated correctly. ● Remove any HP Jetdirect or other devices, and then try to turn the product on again. ● Ensure that the control-panel display is connected. ● Check the two fuses - HP Color LaserJet CP2020 | Service Manual - Page 205
troubleshooting tools Calibrate the product Calibration is a product function that optimizes print quality. If you experience any print-quality problems, calibrate the product. 1. Open HP ToolboxFX. 2. Click the Device Settings folder, and then click the Print Quality page. 3. In the area for Color - HP Color LaserJet CP2020 | Service Manual - Page 206
a repetitive defect can occur more than once on the same page. NOTE: The following table replaces the graphical repetitive defect ruler roller About 44.0 mm (1.73 in) Registration roller About 58.0 mm (2.28 in) Secondary transfer roller or Fuser sleeve About 63.0 mm (2.48 in) Pressure roller - HP Color LaserJet CP2020 | Service Manual - Page 207
Interface ports 1 Network port (HP Color LaserJet CP2025n, HP Color LaserJet CP2025dn, and HP Color LaserJet CP2025x models only) 2 Hi-Speed USB 2.0 port ENWW Problem-solve diagrams 187 - HP Color LaserJet CP2020 | Service Manual - Page 208
7-2 DC controller connectors Item Description J130 Formatter J131 Laser-driver PCA J132 Scanner motor (M7) J133 High-voltage power supply J140 Motor-driver PCA J141 Relay PCA J150 Fuser J151 Low-voltage and fuser power supply J152 Duplex driver PCA (duplex models only) J153 Environmental sensor J154 - HP Color LaserJet CP2020 | Service Manual - Page 209
Table 7-2 DC controller connectors (continued) Item Description J156 Sub-power supply PCA 157 Fuser relay PCA ENWW Problem-solve diagrams 189 - HP Color LaserJet CP2020 | Service Manual - Page 210
-drive assembly (duplex models 11 only) 5 ITB 12 6 Paper-delivery assembly 13 7 Registration assembly 14 Description Fuser Paper-feed guide assembly (includes the transfer roller) Cassette pickup assembly Duplex repick assembly (duplex models only) MP tray pickup assembly Drive assembly - HP Color LaserJet CP2020 | Service Manual - Page 211
sensor (output bin) SR4 Registration sensor SL1 MP tray pickup solenoid SR7 MP tray preregistration sensor SL2 Cassette pickup solenoid SR8 Fuser delivery sensor SL5 Duplex reverse solenoid (duplex models only) SR10 Loop sensor SL6 Paper feeder pickup solenoid (in the optional paper - HP Color LaserJet CP2020 | Service Manual - Page 212
Rollers Figure 7-4 Rollers 4 3 Table 7-5 Rollers Item Description 1 Cassette pickup roller 2 MP tray pickup roller 1 2 Item 3 4 Description MP tray separation pad Cassette separation roller 192 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 213
Motors and fans Figure 7-5 Motors and fans 1 6 2 3 5 4 NOTE: The registration motor (M3) is not shown in this illustration. Item 1 2 3 Description Fuser motor (M4) Drum motor (M1) Developing motor (M2) Item Description 4 Fan 1 5 Fan 2 (duplex models only) 6 Pickup motor (M5) ENWW - HP Color LaserJet CP2020 | Service Manual - Page 214
PCAs Figure 7-6 PCAs 6 1 5 2 3 4 Table 7-6 PCAs Item Description 1 DC controller PCA 2 Connector PCA (relay PCA) 3 Driver PCA Item 4 5 6 Description High-voltage power supply PCA Formatter Sup-power PCA 194 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 215
Timing diagram Approximate timing in seconds. Figure 7-7 Timing diagram Fuser Fuser Fuser ENWW Problem-solve diagrams 195 - HP Color LaserJet CP2020 | Service Manual - Page 216
ENWW 196 Chapter 7 Problem solve PCA PCA PCA Fuser PCA PCA PCA PCA Fuser PCA Fuser PCA Fuser Fuser Fuser PCA PCA PCA PCA Circuit diagram Figure 7-8 Circuit diagram - HP Color LaserJet CP2020 | Service Manual - Page 217
. Turn the product off, and then on. ● 10.0000 = black e-label error If the problem is not solved, replace the cartridge. ● 10.0001 = cyan e-label error ● 10.0002 = magenta e-label error ● 10.0003 = yellow e-label error ● 10.1000 = black e-label is missing ● 10.1001 = cyan e-label is missing - HP Color LaserJet CP2020 | Service Manual - Page 218
message Status alert 59.X Error Turn off then on 79 Error Turn off then on 79 Service error Turn off then on in wrong position Device error Press [OK] Front Door open Fuser Error Turn off then on Genuine HP supply installed 198 Chapter 7 Problem solve Description Recommended action - HP Color LaserJet CP2020 | Service Manual - Page 219
: yellow, magenta, cyan, black. The cartridge is either not Install the print cartridge. See installed or not correctly installed Replace print cartridges in the product. on page 46. You are using an incorrect printer Select the correct printer driver. driver. The product has detected a jam - HP Color LaserJet CP2020 | Service Manual - Page 220
are low. See Information pages on page 32. Order the identified print cartridges. Printing continues until Replace Cartridge displays. The product cannot process the Press OK to continue printing the page. job, but output might be affected. If the error persists, turn the product - HP Color LaserJet CP2020 | Service Manual - Page 221
can use this page to check for color-plane registration and cartridge half tones. Print a configuration page from the product or from one of the Toolbox software programs. For more information about the configuration page, see Information pages on page 32. Supplies status page The supplies status - HP Color LaserJet CP2020 | Service Manual - Page 222
52.0000 Scanner error, black laser failure 52.0100 Scanner error, cyan laser failure 52.0200 Scanner error, magenta laser failure 52.0300 Scanner error, yellow laser failure 54.0600 Density sensor error 54.1000 Color plane registration sensor error 202 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 223
Sensor density contaminated Sensor color plane registration contaminated Engine comm fatal error Engine comm critical error DC controller memory error ITB rotation failure ITB ramp up failure Color-plane registration error DMAX calibration error DHALF calibration error ENWW Pages and reports 203 - HP Color LaserJet CP2020 | Service Manual - Page 224
adjusted correctly. Adjust the guides so they are against the paper stack. The media does not meet specifications. Use only media that meets HP specifications. See Understand paper and print media use on page 22. You are using media that has already passed through a printer Do not use media that - HP Color LaserJet CP2020 | Service Manual - Page 225
. 7 1 Output bin 2 Tray 1 3 Tray 2 4 Optional Tray 3 5 Fuser (behind the rear door) 6 Tray 2 jam-access area 7 Duplexer (located at the turned on, the product reprints pages that are damaged during a jam. Use HP ToolboxFX to turn on the Jam Recovery feature. 1. Open HP ToolboxFX. 2. Click the Device - HP Color LaserJet CP2020 | Service Manual - Page 226
you cannot remove the sheet, continue with this procedure. 2. Pull out Tray 2, and place it on a flat surface. 3. Lower the jam-access tray. 206 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 227
4. Remove the jammed sheet by pulling it straight out. 5. Replace Tray 2. 6. Press OK to continue printing. ENWW Paper-handling problems 207 - HP Color LaserJet CP2020 | Service Manual - Page 228
Clear jams in Tray 2 1. Pull out Tray 2, and place it on a flat surface. 2. Lower the jam-access tray. 3. Remove the jammed sheet by pulling it straight out. 4. Replace Tray 2. 5. Press OK to continue printing. 208 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 229
Clear jams in Tray 3 1. Pull out Tray 3 and place it on a flat surface. 2. Remove the jammed sheet by pulling it straight out. 3. Replace Tray 3. 4. Press OK to continue printing. ENWW Paper-handling problems 209 - HP Color LaserJet CP2020 | Service Manual - Page 230
Clear jams in fuser area 1. Open the rear door. 2. If necessary, push the guide (callout 1) and remove any visible paper (callout 2) from the bottom of the delivery area. NOTE: If the sheet tears, ensure that the fragments are removed - HP Color LaserJet CP2020 | Service Manual - Page 231
Clear jams in output bin 1. Look for jammed paper in the output bin area. 2. Remove any visible media. NOTE: If the sheet tears, ensure that the fragments are removed before you resume printing. 3. Open and then close the rear door to clear the message. ENWW Paper-handling problems 211 - HP Color LaserJet CP2020 | Service Manual - Page 232
Clear jams in duplexer (duplexing models only) 1. Open the rear door. 2. If present, remove any visible paper from bottom side of the duplexing unit. 3. If you did not see any jammed paper, lift the duplexing unit using the tab on the side of the duplexing unit. 212 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 233
4. If you can see the trailing edge of the paper, remove the paper from the product. 5. If you can see the leading edge of the paper, remove it from the product. 6. Close the rear door. ENWW Paper-handling problems 213 - HP Color LaserJet CP2020 | Service Manual - Page 234
cleaning. Clean the paper path. See Clean the product on page 54. One or more of the cartridges might be Try to verify the color of the toner specks leaking. and check the cartridge for leaks. The cartridge waste tank might be overfilled. Check for error code 10.98.XX in the event log. The XX - HP Color LaserJet CP2020 | Service Manual - Page 235
accumulated in the print path. Clean the media guides. Clean the paper path. See Clean the product on page 54. The toner smears easily when touched. The device is not set to print on the type of media on which you want to print. In the printer driver, select the Paper tab and set Type - HP Color LaserJet CP2020 | Service Manual - Page 236
not meet HP specifications. Use a different paper, such as highquality paper that is intended for color laser printers. If characters are incorrectly formed so Verify that the problem also occurs on that they produce a wavy effect, the laser the configuration page. scanner might need service. 216 - HP Color LaserJet CP2020 | Service Manual - Page 237
media guides are not too tight or too loose against the stack. See Load paper and print media on page 28. The media might not meet HP specifications. Use a different paper, such as highquality paper that is intended for color laser printers. The printed page contains wrinkles or creases. Toner - HP Color LaserJet CP2020 | Service Manual - Page 238
. In your software program, rotate the whole page 180° to color mode instead of grayscale mode. Select the correct printer driver. Print a configuration page (see Information pages on page 32) to check whether color appears on the configuration page. Replace the color supply. 218 Chapter 7 Problem - HP Color LaserJet CP2020 | Service Manual - Page 239
low print cartridges. See Replace print cartridges on page 46. The colors on the printed page do not match the colors as they appear on the screen. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc The colors on your computer monitor might differ from the device output. See the product user guide. If extremely - HP Color LaserJet CP2020 | Service Manual - Page 240
configured for the same network. 4. Have any software programs been added to the network? Ensure new programs are compatible and that they are installed correctly and use the correct printer drivers. 5. Can other users print? The problem might be workstation-specific. Check the workstation network - HP Color LaserJet CP2020 | Service Manual - Page 241
Configure Device to check the status of other protocols. 8. Does the product appear in HP Web Jetadmin or other management programs? ● Verify network settings on the Network configuration page. ● Confirm the network settings for the product by using the control panel. ENWW Solve connectivity - HP Color LaserJet CP2020 | Service Manual - Page 242
and the Right arrow to navigate through the menu. Secondary service menu structure Table 7-8 2ndary Service menu Menu item Sub-menu item Service Reports Cont. Self-Test Error report Description Print a continuous configuration page. Print an error report. 222 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 243
Service menu (continued) Menu item Sub-menu item Location A list of available locations appears Display test Button test Show FW Version Color Cal. Enter MAC Addr. Adjust color firmware. Use this item to adjust density settings for contrast, highlights, midtones, and shadows. Adjust each color - HP Color LaserJet CP2020 | Service Manual - Page 244
in the right-side cover. 3. An engine test page (horizontal lines in each of the print cartridge colors) prints. Figure 7-9 Engine test button location Cold reset The traditional cold reset function found in other HP LaserJet products is not supported for this product. The equivalent function is the - HP Color LaserJet CP2020 | Service Manual - Page 245
a configuration page before performing an NVRAM initialization. Make note of the IP address that is listed on the Jetdirect configuration page. You need to restore the IP address after performing has finished the NVRAM initialization, it returns to the Ready state. ENWW Service mode functions 225 - HP Color LaserJet CP2020 | Service Manual - Page 246
the device. The USB cable might be defective or incorrectly connected. If the problem persists, you might need to replace the pickup rollers and the separation pad. See Customer support on page 269. Clear the jam. See Clear jams on page 204. ● Disconnect the USB cable at both ends and reconnect it - HP Color LaserJet CP2020 | Service Manual - Page 247
page to be formatted before it prints. Complex pages take more time to format, resulting in reduced print speed. However, most jobs print at full engine speed (21 ppm on Letter-size media or 20 ppm on A4-size media). ● Color correct media type in the print driver. ● Product temperature To prevent - HP Color LaserJet CP2020 | Service Manual - Page 248
228 Chapter 7 Problem solve ENWW - HP Color LaserJet CP2020 | Service Manual - Page 249
8 Parts and diagrams NOTE: In this chapter, part numbers are only listed for available replaceable parts. ● Order parts, accessories, and supplies ● Part numbers ● Screws ● How to use the parts lists and diagrams ● External components ● Internal components ● Major assemblies ● Optional 250-sheet - HP Color LaserJet CP2020 | Service Manual - Page 250
www.hp.com/support/ljcp2020series. Part numbers Supplies Product name Black print cartridge HP ColorSphere toner Cyan print cartridge HP ColorSphere toner Yellow print cartridge HP ColorSphere toner Magenta print cartridge HP ColorSphere toner Part number CC530A CC531A CC532A CC533A Service part - HP Color LaserJet CP2020 | Service Manual - Page 251
User-replaceable parts Product name Legal media cover kit Description Part number Optional cover (used when the tray is loaded CC434-67903 with Legal-size media) (North America only) Whole unit replacement NOTE: To replace the HP Color LaserJet CP2025 base model, order the HP Color LaserJet - HP Color LaserJet CP2020 | Service Manual - Page 252
Screws NOTE: The screw illustrations in the following table are for reference only. Screws might vary in size and appearance from those shown in this table. Table 8-1 Common fasteners Example Description Size Part Number Screw, with washer Screw, tapping, truss head M3X8 M4X6 M4X12 M4X10 - HP Color LaserJet CP2020 | Service Manual - Page 253
the part number selected is correct for the product. NOTE: In this manual, the abbreviation "PCA" stands for "printed circuit board assembly." Components , panels, and doors are listed in Covers, panels, and doors on page 234, with the following exceptions. ● For simplex products, the rear cover - HP Color LaserJet CP2020 | Service Manual - Page 254
External components Covers, panels, and doors Figure 8-1 Covers, panels, and doors 2 3 6 4 1 234 Chapter 8 Parts and diagrams 7 9 8 10 ENWW - HP Color LaserJet CP2020 | Service Manual - Page 255
Table 8-2 Covers, panels, and doors Ref Description 1 Cover, left 2 Cover, upper assembly 3 Cover, DIMM 4 Panel, right 6 Cover, right 7 Control-panel assembly 8 Cover, right-front 9 Button, power 10 Door, front assembly Part number Qty RC2-3606-000CN 1 RM1-4831-000CN 1 RC2 - HP Color LaserJet CP2020 | Service Manual - Page 256
Internal components Internal components (1 of 7) Figure 8-2 Internal components (1 of 7) 1 236 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 257
Table 8-3 Internal components (1 of 7) Ref Description 1 Cartridge-tray assembly Part number Qty RM1-4836-000CN 1 ENWW Internal components 237 - HP Color LaserJet CP2020 | Service Manual - Page 258
Internal components (2 of 7) Figure 8-3 Internal components (2 of 7) (J209) (SL1) 4 (J161) 2 3 238 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 259
Table 8-4 Internal components (2 of 7) Ref Description 2 Color misregistration sensor assembly 3 Intermediate transfer belt (ITB) 4 Roller, paper-pickup (Tray 1) Part number Qty RM1-4850-000CN 1 RM1-4852-000CN 1 RL1-1802-000CN 1 ENWW Internal components 239 - HP Color LaserJet CP2020 | Service Manual - Page 260
Internal components (3 of 7) Figure 8-4 Internal components (3 of 7) 6 7 8 240 Chapter 8 Parts and diagrams 9 ENWW - HP Color LaserJet CP2020 | Service Manual - Page 261
Table 8-5 Internal components (3 of 7) Ref Description 3 Pad, separation (Tray 1) 6 Pickup roller assembly 7 Separation roller assembly 8 Cover, holder 9 MP paper pickup assembly (Tray 1) Part number Qty RL1-1785-000CN 1 RM1-4426-000CN 1 RM1-4840-000CN 1 RC2-2014-000CN 1 RM1- - HP Color LaserJet CP2020 | Service Manual - Page 262
Internal components (4 of 7) Figure 8-5 Internal components (4 of 7) (J156) (J654) (J162) (J653) (J213) 10 (J501) (J131) (J301) (J3010) (J902) (J130) (J901) (J2001) (J202) (J4004) (J991) A (J205) (J2004) (SR2) (J3005) (J166) (J3005) (J3001) (J211) (J204) (J2003) (J2002) (J652) ( - HP Color LaserJet CP2020 | Service Manual - Page 263
Table 8-6 Internal components (4 of 7) Ref Description 10 Cable, flat 16 Motor, DC Part number Qty RK2-2302-000CN 1 RL1-1800-000CN 2 ENWW Internal components 243 - HP Color LaserJet CP2020 | Service Manual - Page 264
Internal components (5 of 7) Figure 8-6 Internal components (5 of 7) (J706) (J157) 6 (M5) 4 (FM1) (J206) (J4003) (M4) (J651) 244 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 265
Table 8-7 Internal components (5 of 7) Ref Description 4 Fan 6 Paper-delivery assembly Part number Qty RK2-2276-000CN 1 RM1-4873-000CN 1 ENWW Internal components 245 - HP Color LaserJet CP2020 | Service Manual - Page 266
Internal components, simplex products (6 of 7) Figure 8-7 Internal components, simplex products (6 of 7) 2 4 5 6* A 1 3 A *The paper feed guide assembly (ref #6) is the same componet for simplex and duplex products. 246 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 267
and duplex products)2 RM1-4838-000CN 1 1 Depending on which end of the link-guide attachment point has failed, replace either the rear door, or the entire product (the interior paper guide is not replaceable). 2 The paper-feed guide includes the transfer roller. ENWW Internal components 247 - HP Color LaserJet CP2020 | Service Manual - Page 268
(7 of 7) Figure 8-8 Internal components, duplex products (7 of 7) 10 1 7 (FM2) (J705) 5 3 A 3 B 5 11 6* AB 2 4 9 12 (J701) A05 (J704) (J703) (J152) *The paper feed guide assembly (ref #6) is the same componet for simplex and duplex products. 248 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 269
door RC2-3750-000CN 2 6 Paper-feed guide assembly (simplex and duplex products)2 RM1-4838 guide attachment point has failed, replace either the duplexing-feed guide assembly, or the entire product (the interior paper guide is not replaceable). 2 The paper-feed guide includes the transfer roller - HP Color LaserJet CP2020 | Service Manual - Page 270
Major assemblies Cassette (Tray 2) Figure 8-9 Cassette (Tray 2) 250 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 271
Table 8-10 Cassette (Tray 2) Ref Description All Cassette (Tray 2) Part number Qty RM1-4860-000CN 1 ENWW Major assemblies 251 - HP Color LaserJet CP2020 | Service Manual - Page 272
Fuser assembly Figure 8-10 Fuser assembly 252 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 273
Table 8-11 Fuser assembly Ref Description All Fuser assembly (110V to 127V) All Fuser assembly (220V to 240V) Part number Qty RM1-6740-000CN 1 RM1-6741-000CN 1 ENWW Major assemblies 253 - HP Color LaserJet CP2020 | Service Manual - Page 274
PCAs Figure 8-11 PCAs 6 1 2 3 4 5 254 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 275
12 PCAs Ref Description 1 Power supply high-voltage, assembly 2 Power supply sub PCA, assembly 3 DC controller PCA 4 Relay PCA 5 Driver PCA 6 Formatter PCA, HP Color LaserJet CP 2025 Part number Qty RM1-5294-000CN 1 RM1-5303-000CN 1 RM1-5431-000CN 1 RM1-5293-000CN 1 RM1-5288 - HP Color LaserJet CP2020 | Service Manual - Page 276
Optional 250-sheet paper cassette Figure 8-12 Optional 250-sheet paper cassette 1 2 256 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 277
Table 8-13 250-sheet paper cassette Ref Description Part number Qty 1 Optional 250-sheet paper feeder (includes cassette) CB500-67902 1 2 Optional 250-sheet paper cassette RM1-4901-000CN 1 ENWW Optional 250-sheet paper cassette 257 - HP Color LaserJet CP2020 | Service Manual - Page 278
Cap, link Cartridge-tray assembly Cassette (Tray 2) Color misregistration sensor page 247 Internal components, duplex products (7 of 7) on page 249 Internal components (1 of 7) on page 237 Cassette (Tray 2) on page 251 Internal components (2 of 7) on page 239 Covers, panels, and doors on page - HP Color LaserJet CP2020 | Service Manual - Page 279
Table 8-14 Alphabetical parts list (continued) Description Duplexing-feed guide assembly Fan Formatter PCA, HP Color LaserJet CP 2025 Fuser assembly (110V to 127V) Fuser assembly (220V to 240V) Intermediate transfer belt (ITB) Link, door Link, guide1 Link, guide1 Motor, DC MP paper pickup assembly ( - HP Color LaserJet CP2020 | Service Manual - Page 280
) Description Rib assembly, rear-door Roller, paper-pickup (Tray 1) Separation roller assembly Stopper, door rear Part number RM1-4876-000CN RL1-1802-000CN RM1-4840-000CN RC2-3598-000CN Table and page Internal components, duplex products (7 of 7) on page 249 Internal components (2 of 7) on - HP Color LaserJet CP2020 | Service Manual - Page 281
CB492-60002 Formatter PCA, HP Color LaserJet CP 2025 CB500-67902 Optional page 235 Covers, panels, and doors on page 235 Covers, panels, and doors on page 235 Covers, panels, and doors on page 235 Covers, panels, and doors on page 235 Internal components, duplex products (7 of 7) on page - HP Color LaserJet CP2020 | Service Manual - Page 282
1800-000CN Motor, DC RL1-1802-000CN Roller, paper-pickup (Tray 1) RM1-4426-000CN Pickup roller assembly RM1-4831-000CN Cover, upper assembly RM1-4832-000CN Control-panel assembly RM1-4836-000CN Cartridge-tray assembly RM1-4838-000CN Paper-feed guide assembly (simplex and duplex products - HP Color LaserJet CP2020 | Service Manual - Page 283
RM1-5431-000CN DC controller PCA RM1-6740-000CN Fuser assembly (110V to 127V) RM1-6741-000CN Fuser assembly (220V to 240V) Table and page PCAs on page 255 PCAs on page 255 PCAs on page 255 PCAs on page 255 Fuser assembly on page 253 Fuser assembly on page 253 ENWW Numerical parts list 263 - HP Color LaserJet CP2020 | Service Manual - Page 284
264 Chapter 8 Parts and diagrams ENWW - HP Color LaserJet CP2020 | Service Manual - Page 285
A Service and support ENWW 265 - HP Color LaserJet CP2020 | Service Manual - Page 286
Hewlett-Packard limited warranty statement HP PRODUCT HP Color LaserJet CP2020 Series printers 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 - HP Color LaserJet CP2020 | Service Manual - Page 287
is mandatory. If you request HP to replace these parts, you will be charged for the travel and labor costs of this service. 2) Parts for which customer is required, you can call the HP Technical Support Center and a technician will help you over the phone. HP specifies in the materials shipped with - HP Color LaserJet CP2020 | Service Manual - Page 288
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 replace - HP Color LaserJet CP2020 | Service Manual - Page 289
at www.hp.com/support/. Have the product name, serial number, date of purchase, and problem description ready. Get 24-hour Internet support www.hp.com/support/ljcp2020series Get support for products used with a Macintosh computer www.hp.com/go/macosx Download software utilities, drivers, and - HP Color LaserJet CP2020 | Service Manual - Page 290
It is extremely important to remove the print cartridges before shipping the product. Print cartridges left in the product during shipping can leak and entirely cover the product with toner. To prevent damage to the print cartridges, avoid touching the rollers, and store them in the original packing - HP Color LaserJet CP2020 | Service Manual - Page 291
any relevant printouts. Do NOT ship accessories (manuals, cleaning supplies, and so on) that are not required to complete the repair. HAVE YOU REMOVED THE PRINT CARTRIDGES? You must remove them before shipping the printer, unless a mechanical problem prevents you from doing so. [ ] Yes. [ ] No - HP Color LaserJet CP2020 | Service Manual - Page 292
272 Appendix A Service and support ENWW - HP Color LaserJet CP2020 | Service Manual - Page 293
B Specifications ● Physical specifications ● Electrical specifications ● Acoustic emissions ● Environmental specifications ENWW 273 - HP Color LaserJet CP2020 | Service Manual - Page 294
Physical specifications Table B-1 Physical specifications Product Height Non-duplexing model 322 mm (12.7 in) Duplexing model 322 mm (12.7 in) Optional Tray 3 100 mm (3.9 in) Depth 454 mm (17.9 in) 484 mm (19.1 in) 447.5 mm (17.6 in) Width 405 mm (15.9 in) 405 mm (15.9 in) 400 mm (15.7 in) - HP Color LaserJet CP2020 | Service Manual - Page 295
(average, in watts)1,4 Product Model Printing (21 PPM)2,3 Ready2 Sleep2 Off2 HP Color LaserJet CP2020 Series Printer 260 13 3.8 0.0 1 Values are based on preliminary data. Go to www.hp.com/support/ljcp2020series for current information. 2 The power consumption reflects the highest values - HP Color LaserJet CP2020 | Service Manual - Page 296
are based on preliminary data. Go to www.hp.com/support/ljcp2020series for current information. 2 Configuration tested: HP Color LaserJet CP2020 Series monochrome simplex printing. 3 HP Color LaserJet CP2020 Series speed is 21/20 ppm for color printing and 21/20 ppm for monochrome printing (Letter - HP Color LaserJet CP2020 | Service Manual - Page 297
C Regulatory information ● FCC regulations ● Declaration of conformity ● Safety statements ENWW 277 - HP Color LaserJet CP2020 | Service Manual - Page 298
frequency energy. If this equipment is not installed and used in accordance with the instructions, it may cause harmful interference to radio . NOTE: Any changes or modifications to the printer that are not expressly approved by HP could void the user's authority to operate this equipment. Use of - HP Color LaserJet CP2020 | Service Manual - Page 299
Product Name: Regulatory Model:2) HP Color LaserJet CP2020 Series BOISB-0701-00 Product Options: Toner Cartridges: Including: CB500A- Optional Regulatory Topics Only: European Contact Your Local Hewlett-Packard Sales and Service Office or Hewlett-Packard Gmbh, Department HQ-TRE / Standards - HP Color LaserJet CP2020 | Service Manual - Page 300
Class 1" laser product under the U.S. Department of Health and Human Services (DHHS) Radiation Performance Standard according to the Radiation Control for Health , or performing procedures other than those specified in this user guide may result in exposure to hazardous radiation. Canadian DOC - HP Color LaserJet CP2020 | Service Manual - Page 301
tt än i bruksanvisning specificerats, kan användaren utsättas för osynlig laserstrålning, som överskrider gränsen för laserklass 1. HUOLTO HP Color LaserJet CP2020 Series - kirjoittimen sisällä ei ole käyttäjän huollettavissa olevia kohteita. Laitteen saa avata ja huoltaa ainoastaan sen huoltamiseen - HP Color LaserJet CP2020 | Service Manual - Page 302
Substances Table (China) 282 Appendix C Regulatory information ENWW - HP Color LaserJet CP2020 | Service Manual - Page 303
this volatile memory is erased. Non-volatile memory The product utilizes non-volatile memory (4 MB of SPI FLASH) to store system control data and user preference settings. No customer print or copy data is stored in non-volatile memory. This non-volatile memory can be cleared and restored to factory - HP Color LaserJet CP2020 | Service Manual - Page 304
284 Appendix C Regulatory information ENWW - HP Color LaserJet CP2020 | Service Manual - Page 305
network 10 connecting USB 10 part numbers 231 USB, troubleshooting 226 calibrating color 18, 38, 185, 223 Canadian DOC regulations 280 capacity output bin 3 cartridges error messages 200 image-formation system 66 low or out, settings 18 non-HP 44 order message 199 part numbers 230 removing 82 - HP Color LaserJet CP2020 | Service Manual - Page 306
verifying installation 54 display contrast, setting 18 documentation 2 doors front, removing 171 dots per inch (dpi) specifications 3 dots, troubleshooting 214 downloading software HP Web Jetadmin 8 dpi (dots per inch) specifications 3 drive components diagrams 190 drivers included 3 usage page 16 - HP Color LaserJet CP2020 | Service Manual - Page 307
199 installation, software express 7 recommended 7 installing Windows software 7 interface ports cables, ordering 231 locating 187 types included 3 intermediate PCA, removing 147 internal components locations 236 parts list 236 invalid driver error message 199 IP address protocols supported 11 - HP Color LaserJet CP2020 | Service Manual - Page 308
33 storage 44 supplies status page 16 using when out of toner 45 warranty 268 print cartridges, accessing 4 print density settings 38 print media supported 23 print quality archive setting 19 HP ToolboxFX settings 38 repetitive image defects 186 print quality, troubleshooting image defects 214 print - HP Color LaserJet CP2020 | Service Manual - Page 309
, setting 17 skewed pages 217 sloenoids location 191 smeared toner, troubleshooting 215 software components 7 embedded Web server 9 express installation 7 HP ToolboxFX 33 HP Web Jetadmin 8, 43 Macintosh 8 network 8 recommended installation 7 supported operating systems 6 Windows 8 special media - HP Color LaserJet CP2020 | Service Manual - Page 310
216 timing diagram 195 toner loose, troubleshooting 215 scatter, troubleshooting 217 smeared, troubleshooting 215 specks, troubleshooting 214 toner cartridges. See print cartridges ToolboxFX,HP 33 tools, required 79 transfer stage 69 tray capacities 25 media types supported 25 media weights 25 - HP Color LaserJet CP2020 | Service Manual - Page 311
repair 267 print cartridges 268 product 266 wavy paper, troubleshooting 217 Web sites customer support 269 documentation 2 fraud reports 44 HP Web Jetadmin 8 Macintosh customer support 269 ordering supplies 230 Windows software for 8 supported operating systems 6 wrinkles, troubleshooting 217 ENWW - HP Color LaserJet CP2020 | Service Manual - Page 312
292 Index ENWW - HP Color LaserJet CP2020 | Service Manual - Page 313
- HP Color LaserJet CP2020 | Service Manual - Page 314
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 |
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Service Manual