HP LaserJet 9040/9050 Service Manual

HP LaserJet 9040/9050 - Multifunction Printer Manual

HP LaserJet 9040/9050 manual table of contents:

  • HP LaserJet 9040/9050 | Service Manual - Page 1
    HP LaserJet 9000/9040/9050 Service Manual
  • HP LaserJet 9040/9050 | Service Manual - Page 2
  • HP LaserJet 9040/9050 | Service Manual - Page 3
    HP LaserJet 9000, 9040, and 9050 Series printers Service_____
  • HP LaserJet 9040/9050 | Service Manual - Page 4
    ... subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying ... U.S. registered trademark of Microsoft Corporation. ENERGY STAR® is a U.S. registered service mark of the United States Environmental Protection Agency.
  • HP LaserJet 9040/9050 | Service Manual - Page 5
    ... printers ...2 Product features of the HP LaserJet 9040/9050 Series printers ...4 Product specifications ...6 Product overview...10 External view of the printer and accessories ...10 Interface connections ...13 Environmental product stewardship program ...13 Service approach ...14 Parts and supplies ...
  • HP LaserJet 9040/9050 | Service Manual - Page 6
    ... setup submenu ...I/O submenu...Resets submenu ...Diagnostics menu ...Service menu ...Remote firmware upgrade (RFU) ...Upgrading firmware to a single printer ... 38...-wrapping-jam detection ...Jam detection ...Tray 1 ...Tray 1 driver PCA...Power supply ...Sequence of operation ...Pickup...
  • HP LaserJet 9040/9050 | Service Manual - Page 7
    Tray 4 ...95 Tray 4 driver PCA ...95 Power supply ...95 Sequence of operation ...95 ... (ESD) ...99 Required tools...99 Orientation of the printer (with tray 4) ...100 Covers ...101 Right top cover ... (PIU) ...126 Registration assembly...129 Transfer-guide assembly ...131 Left assemblies ...133 Duplexer ...
  • HP LaserJet 9040/9050 | Service Manual - Page 8
    ...successful ...Media does not print from tray 4 ...The printer stops printing and hangs on certain jobs ...Envelopes are wrinkling ...Fusing is poor...The printer feeds from an incorrect tray when different media ......Other diagnostics for the HP LaserJet 9040/9050, 9040mfp, and 9050mfp...Cold reset......
  • HP LaserJet 9040/9050 | Service Manual - Page 9
    ...235 Repeating defect ruler ...243 Media troubleshooting ...244 Determine the problem source: media or printer ...244 Isolate a paper path ...244 Isolate a media ...9050n, HP LaserJet 9040dn/9050dn, HP LaserJet 9050mfp, and HP LaserJet 9040mfp only)...247 Wiring diagrams ......
  • HP LaserJet 9040/9050 | Service Manual - Page 10
    Index viii Table of contents
  • HP LaserJet 9040/9050 | Service Manual - Page 11
    ... printers ...2 Table 2. Features of the HP LaserJet 9040/9050 Series printers ...4 Table 3. Configuration comparison ...6... solenoids ...92 Table 18. Primary steps for troubleshooting ...167 Table 19. Power-on defects ...Numeric error messages ...188 Table 22. Service test abnormality codes ...213 Table ...
  • HP LaserJet 9040/9050 | Service Manual - Page 12
    Table 50. Tray 4 main body (2 of 2) ...Table 51. Tray 4 drive assembly ...Table 52. Tray 4 PCA location ...Table 53. Tray 1 assembly ...Table 54. Alphabetical parts list ...Table 55. Numerical parts list ... 287 288 289 290 291 296 x List of tables
  • HP LaserJet 9040/9050 | Service Manual - Page 13
    ... 1. Sample identification label ...6 Figure 2. External view of the printer and accessories ...10 Figure 3. Interface connections (HP LaserJet 9040/9050 Series printer) ...11 Figure 4. .... Registration page (2 of 2) ...35 Figure 14. Turn off the printer and remove the power cords ...62 Figure 15...
  • HP LaserJet 9040/9050 | Service Manual - Page 14
    ... 2) ...Figure 72. Registration assembly (2 of 2) ...Figure 73. Transfer-guide assembly ...Figure 74. Reinstalling the transfer-guide assembly ... ...Figure 77. Fuser assembly (1 of 2) ...Figure 78. Fuser assembly (2 of 2) ...Figure 79. Formatter (HP LaserJet 9000 shown) ...Figure 80. Low-voltage power ...
  • HP LaserJet 9040/9050 | Service Manual - Page 15
    ... 117. Paper-connecting unit ...163 Figure 118. Basic troubleshooting process flow (1 of 2) ...168 Figure 119. Basic ... 132. Printer wiring diagram (HP LaserJet 9040/9050 series printer) . . 252 Figure 133. Tray 4 wiring diagram ...253 Figure 134. Printer external covers and panels ...262 Figure 135. ...
  • HP LaserJet 9040/9050 | Service Manual - Page 16
    xiv List of figures
  • HP LaserJet 9040/9050 | Service Manual - Page 17
    ... printers ...2 Product features of the HP LaserJet 9040/9050 Series printers ...4 Product specifications ...6 Product overview ...10 External view of the printer and accessories ...10 Interface connections ...13 Environmental product stewardship program ...13 Service approach ...14 Parts and supplies ...
  • HP LaserJet 9040/9050 | Service Manual - Page 18
    Product features of the HP LaserJet 9000 Series printers HP LaserJet 9000 printer (C8519A) The HP LaserJet 9000 printer comes... stapler/stacker, an optional 3,000-sheet stacker, or an optional multifunction finisher. Table 1. Features of the HP LaserJet 9000 Series printers Speed z z z 50 pages per ...
  • HP LaserJet 9040/9050 | Service Manual - Page 19
    Table 1. Features of the HP LaserJet 9000 Series printers (continued) Expandability All models ... 10-envelope multipurpose tray for automatic and manual feeding of envelopes, labels, transparencies, custom-... stapler/stacker, 3,000-sheet stacker, or multifunction finisher. z Enhanced input/output (EIO) ...
  • HP LaserJet 9040/9050 | Service Manual - Page 20
    ... printers HP LaserJet 9040/9050 printer The HP LaserJet 9040/9050 printer (product number Q7697A/... a 100-sheet multipurpose tray (tray 1), an embedded HP Jetdirect print server, and a duplex printing ... at full speed. Up to 256 levels of gray. HP UltraPrecise print cartridge. The capacity is rated at ...
  • HP LaserJet 9040/9050 | Service Manual - Page 21
    Table 2. Features of the HP LaserJet 9040/9050 Series printers (continued) Expandability All ... 10-envelope multipurpose tray for automatic and manual feeding of envelopes, labels, transparencies, custom-...sheet stapler/stacker, 3,000-sheet stacker, multifunction finisher, or 8-bin mailbox. z EIO cards....
  • HP LaserJet 9040/9050 | Service Manual - Page 22
    ...3. Configuration comparison HP HP HP LaserJet LaserJet LaserJet 9000 9000n 9000dn Standard memory Maximum memory PS emulation 64 MB ... Standard HP LaserJet 9000hns 64 MB 384 MB Standard Standard Standard Standard HP LaserJet 9040/9050 64 MB 512 MB Standard Optional Optional Optional HP HP LaserJet ...
  • HP LaserJet 9040/9050 | Service Manual - Page 23
    ...HP HP HP LaserJet LaserJet LaserJet 9000 9000n 9000dn Optional 3,000sheet stacker Optional Optional ... 9000hns Optional Standard Optional N/A Optional HP LaserJet 9040/9050 Optional Optional Optional Optional ... Table 4. Physical specifications HP LaserJet 9000, 9040, and 9050 HP LaserJet 9000n/9000dn...
  • HP LaserJet 9040/9050 | Service Manual - Page 24
    Table 6. Electrical specifications (HP LaserJet 9040) Volts Frequency Ampres Minimum recommended current capacity = 12... 50/60 Hz 10% ± 2 Hz Table 7. Electrical specifications (HP LaserJet 9050) Volts Frequency Ampres Minimum recommended current capacity = 12 A dedicated circuit Minimum recommended ...
  • HP LaserJet 9040/9050 | Service Manual - Page 25
    ...position) HP LaserJet 9050 Sound pressure level4 (Bystander position) HP LaserJet 9040 ...24, 2004. Values subject to change, see www.hp.com/support/ lj9050_lj9040 for current information. 3.Values ..., 2004. Values subject to change, see www.hp.com/support/ lj9050_lj9040 for current information. Product...
  • HP LaserJet 9040/9050 | Service Manual - Page 26
    ... 3,000-sheet stapler/stacker, 3,000sheet stacker, 8-bin mailbox, or multifunction finisher Front door Duplexer (inside the printer) Left door (behind the ...Right door Ver tical transfer door Figure 2. External view of the printer and accessories 10 Chapter 1 Product information
  • HP LaserJet 9040/9050 | Service Manual - Page 27
    ...(LAN) connector (RJ-45) Parallel B connector (Parallel) HP Jet-Link connector (for paper-handling accessory) Figure 3. Interface connections (HP LaserJet 9040/9050 Series printer) Parallel connector HP ...) Foreign interface connector (not used) I/O slots HP Fast InfraRed Connect (optional IR pod)...
  • HP LaserJet 9040/9050 | Service Manual - Page 28
    Optional accessories Multifunction finisher 3,000-sheet stapler/stacker 3,000-sheet stacker Tray 1 ... printing accessory (duplexer) 8-bin mailbox (HP LaserJet 9040/9050 Series printer only) Tray 4 HP Fast InfraRed Connect (HP LaserJet 9000 Series printer only Figure 5. Optional accessories 12 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 29
    ... see the HP LaserJet 9000 Start Guide or the HP LaserJet 9040/9050 Start .... Declaration of conformity For declaration of conformity information, please see the HP LaserJet 9000 Start ... Start Guide. Environmental product stewardship program For environmental product stewardship program information, ...
  • HP LaserJet 9040/9050 | Service Manual - Page 30
    ...located in one of the paper-handling devices or in the printer engine troubleshoot the problem using the procedures in chapter ... level. Hewlett-Packard does not support replacement of components on the printed circuit assemblies.... see the HP LaserJet 9000 Start Guide or the HP LaserJet 9040/9050 Start...
  • HP LaserJet 9040/9050 | Service Manual - Page 31
    2 Product requirements Chapter contents Site requirements ...16 Operating environment ...16 Space requirements ...17 Media specifications ...19 Guidelines for selecting print media ...19 Special media specifications...19 Storing print media ...22 Media input/output options ...25 Trays, bins, and ...
  • HP LaserJet 9040/9050 | Service Manual - Page 32
    ... must be maintained to ensure the proper operation of this printer. See "Product specifications" in chapter 1. Consider ...and devices that emit a magnetic field. If the printer is placed near a window, make sure ... sunlight. Maintain enough space around the printer for proper access and ventilation. See...
  • HP LaserJet 9040/9050 | Service Manual - Page 33
    Space requirements 353 mm (13.9 inches) 638 mm (25.1 inches) 633 mm (24.9 inches) 368 mm (17.8 inches) 353 mm (13.9 inches) 638 mm (25.1 inches) 600 mm (23.6 inches) Figure 6. Space requirements for the base model Site requirements 17
  • HP LaserJet 9040/9050 | Service Manual - Page 34
    2,591 mm (102 inches) 1,001 mm (39.4 inches) 2,591 mm (102 inches) 1,036 mm (40.8 inches) Figure 7. Space requirements with a finishing device (3,000-sheet stapler/stacker shown) and tray 4 installed 18 Chapter 2 Product requirements
  • HP LaserJet 9040/9050 | Service Manual - Page 35
    ...sure that it meets the requirements that are specified in this service manual and in the HP LaserJet Printer Family Print ... levels, or other variables over which HP has no control. If you ... for special media that can be used in these printers. Envelope specifications Successful printing on envelopes ...
  • HP LaserJet 9040/9050 | Service Manual - Page 36
    ...use adhesives that are compatible with the heat and pressure in the printer. The extra flaps and strips might ...fuser. Label specifications CAUTION To avoid damaging the printer, use only labels that are recommended for laser printers. Never print on the same sheet of labels more than once and never ...
  • HP LaserJet 9040/9050 | Service Manual - Page 37
    ... labels Transparency specifications To avoid damaging the printer, use only transparencies that are recommended for use ... letterhead papers perform well in HP LaserJet printers. However, these papers undergo ... must be taken to ensure that they conform to HP specifications. All special papers should ...
  • HP LaserJet 9040/9050 | Service Manual - Page 38
    ... media is not recommended for use in HP LaserJet printers. Media is embossed by stamping an image ...can interfere with the mechanical and electronic operation of the printer. Embossed paper, with or without foil, can .... All synthetic media must meet HP specifications, especially for caliper and fusing ...
  • HP LaserJet 9040/9050 | Service Manual - Page 39
    .... The media storage environment should be properly maintained to ensure optimum printer performance. The required condition is 20°C to 24°C (68°F to 75... paper is to rewrap it tightly in its moisture-proof wrapping. If the printer environment is subject to extremes, unwrap only the amount of paper...
  • HP LaserJet 9040/9050 | Service Manual - Page 40
    Table 10. Paper weight equivalence U.S. postcard thickness (mm) U.S. bond weight (lb) U.S. text/ book weight (lb) U.S. cover weight (lb) U.S. bristol U.S. index weight (lb) weight (lb) U.S. tag weight (lb) Europe metric weight (g/m2) Japan metric weight (g/m2) 0.23 47 53 54 58 65 66 67 70 72 119...
  • HP LaserJet 9040/9050 | Service Manual - Page 41
    ...tray 3). Tray 1 and tray 4 can be added to the printer. Special media (envelopes, labels) should ...sheet stacker, or multifunction finisher, or 8-bin mailbox for the HP LaserJet 9040/9050 Series printers,...and moisture content are important factors affecting printer performance and output quality. Media...
  • HP LaserJet 9040/9050 | Service Manual - Page 42
    Supported sizes of paper for input and output Note For more information on an optional HP output device, see the user guide that came with the product. Tray or Bin Optional tray 1 Capacity Up to 100 sheets Paper Standard detectable sizes: Letter, ...
  • HP LaserJet 9040/9050 | Service Manual - Page 43
    ... Executive, ISO A3, ISO A4, ISO A4-R, 11 x 17, JIS B4, JIS B5 Standard undetectable sizes: 8K, 16K Custom sizes Custom types: Duplexing is not supported for envelopes, labels, or transparencies. Weight 64 to 216 g/m2 (17- to 58-lb bond) Duplex printing accessory 64 to 199 g/m2 (17- to 53-lb bond)...
  • HP LaserJet 9040/9050 | Service Manual - Page 44
    Tray or Bin Optional multifunction finisher Capacity Up to 1,000 sheets of stacked 20 lb bond for Letter and A4 (... 58-lb bond) in upper bin Optional 8-bin mailbox (HP LaserJet 9040/9050 Series printers only) Up to 250 sheets of A4 or Letter in each output bin Standard sizes for upper bin Letter, ...
  • HP LaserJet 9040/9050 | Service Manual - Page 45
    ...display language...33 Setting the tray registration ...33 Printer driver information...36 Control-panel menus......48 Resets submenu ...53 Diagnostics menu ...54 Service menu ...54 Remote firmware upgrade (RFU) ...55 Upgrading firmware to a single printer ...55 HP Web Jetadmin 6.1 for a single printer ...
  • HP LaserJet 9040/9050 | Service Manual - Page 46
    ..., four navigation buttons, a help button, a message-clear button, a pause/resume button (9000 Series) or a menu button (9040/9050 Series), a cancel-job button (9000 Series) or a stop button (9040/9050 Series), a numeric keypad, and a graphical display that can show up to four ...
  • HP LaserJet 9040/9050 | Service Manual - Page 47
    ...indicating that it is the new default. Default settings remain when the printer is switched off or is reset (unless you ... resume. z z Opens or exits the menus. Specifies numeric values. The HP LaserJet 9000 and the HP LaserJet 9040/9050 Series printers are similar products. The behavior or feature...
  • HP LaserJet 9040/9050 | Service Manual - Page 48
    ... the appropriate number and then presses . The following table outlines what happens in certain printer states when a button on the numeric keypad is pressed. Table 12. Printer state and numeric key effect PowerSave Exit the PowerSave mode. Idle/pause Continuable ...
  • HP LaserJet 9040/9050 | Service Manual - Page 49
    ... next to the item name indicates that it is now the default. The printer retains default settings even when power is... and hold Hold Press while turning on the printer. until all three LED indicator lights... TEST PAGE, and then press Follow the instructions on the printed page. Settings and defaults ...
  • HP LaserJet 9040/9050 | Service Manual - Page 50
    Figure 12. Registration page (1 of 2) 34 Chapter 3 Product configuration
  • HP LaserJet 9040/9050 | Service Manual - Page 51
    Figure 13. Registration page (2 of 2) Settings and defaults 35
  • HP LaserJet 9040/9050 | Service Manual - Page 52
    Printer driver information When you change a setting from the printer control panel, the new setting becomes the default value. You can override any control-panel setting from the printer driver and through most software programs. 36 Chapter 3 Product configuration
  • HP LaserJet 9040/9050 | Service Manual - Page 53
    ...associated optional accessory is installed or the associated function is activated. Printer-driver and software commands override the ... panel, depending on the optional accessories that are currently installed in the printer. The following is a list of menus that are available from the control panel,...
  • HP LaserJet 9040/9050 | Service Manual - Page 54
    ...user name, and a list of jobs that are stored for that user appears. Select a job name, and ...must be provided. If you select PRINT, the printer prompts you to specify the number of copies ... a typeface list of all PCL fonts that are available on the printer. The printer will return to the online READY ...
  • HP LaserJet 9040/9050 | Service Manual - Page 55
    ... of paper from the printer driver or software program. Some items in this menu (such as duplex and manual feed) are available from specific software programs, or from the printer driver (if the ...-panel settings. Item TRAY 1=FIRST (HP LaserJet 9000 only) Values FIRST CASSETTE Explanation ...
  • HP LaserJet 9040/9050 | Service Manual - Page 56
    Item FUSER MODES (HP LaserJet 9000 only) Values List of print-media types Explanation Configure the fuser mode that is associated with each media type. The default value for each paper type is AUTO. The fuser mode can only be changed from this menu option on the control panel. ...
  • HP LaserJet 9040/9050 | Service Manual - Page 57
    ... to set the number of copies from the printer driver or software program. (Driver and software settings ....) DEFAULT CUSTOM PAPER SIZE Allows the user to set a custom paper size for any ... in the selected tray is in the custom size position. The user selects the X and Y dimensions of the custom paper ...
  • HP LaserJet 9040/9050 | Service Manual - Page 58
    ...item appears when a duplex printing accessory is installed in the printer and DUPLEX=ON. This command is used to print ...: The internal Courier font that is available on the HP LaserJet 4 Series printers. DARK: The internal Courier ... when PS errors occur. YES NO MANUAL FEED=OFF OFF ON EDGE TO EDGE ...
  • HP LaserJet 9040/9050 | Service Manual - Page 59
    ...Specify the value by using the numeric keypad. Allows the user to select the default page orientation. ORIENTATION=... to set the page orientation from the printer driver or software program. (Driver and software settings... to each font and lists the numbers on the PCL Font List. The font number appears...
  • HP LaserJet 9040/9050 | Service Manual - Page 60
    ... the image printed on the back. FUSER MODES (HP LaserJet 9040/9050 only) List of media types ...values: 300: Produces draft print quality at maximum printer speed. 300 dpi (dots per inch) ...fonts and graphics, and for compatibility with the HP LaserJet III family of printers. 600: Produces high print ...
  • HP LaserJet 9040/9050 | Service Manual - Page 61
    ...software settings override control-panel settings.) ECONOMODE ON OFF When set to "on", the printer prints by using a reduced amount of toner per page; ... best results. Note It is best to change the toner density from the driver or software program. (Driver and software settings override control-panel ...
  • HP LaserJet 9040/9050 | Service Manual - Page 62
    ...= OFF Specifies the number of jobs that can be stored on the printer hard-disk accessory. Sets the length of... TRAY BEHAVIOR (HP LaserJet 9040/9050 only) Sets whether or not the printer IP ... mode. The Sleep mode minimizes the amount of power that the printer consumes when it is idle and reduces wear ...
  • HP LaserJet 9040/9050 | Service Manual - Page 63
    ... printing, the message remains on the display and the printer does not print until is pressed.... how the printer functions when toner is out. CARTRIDGE OUT= CONTINUE (HP LaserJet 9040/9050... jam recovery (usually ON). This is the default setting. ON: The printer automatically reprints pages after a jam...
  • HP LaserJet 9040/9050 | Service Manual - Page 64
    Item RAM DISK=AUTO (HP LaserJet 9000 only) Values AUTO OFF Explanation ... seconds. (I/O timeout refers to the time, measured in seconds, that the printer waits before ending a print job.) ...=YES Values YES NO ON OFF Explanation The printer accepts the faster parallel communications that are used for...
  • HP LaserJet 9040/9050 | Service Manual - Page 65
    ... EIO device is installed in an EIO slot on the printer (such as an HP Jetdirect print server). The items ...particular accessory product that is installed. If the printer contains an HP Jetdirect print server EIO ... parameters can also be configured through HP Web Jetadmin or other network configuration ...
  • HP LaserJet 9040/9050 | Service Manual - Page 66
    Embedded Jetdirect submenu (HP LaserJet 9040n/9050n and 9040dn/9050dn only) Item TCP/IP Options ENABLE...requests to renew the current DHCP lease. The unique IP address of the printer. The subnet mask for the printer. CONFIG METHOD DHCP AUTO IP MANUAL DHCP RELEASE DHCP RENEW MANUAL SETTINGS IP ...
  • HP LaserJet 9040/9050 | Service Manual - Page 67
    ...) Server. Specify the proxy server to be used by embedded applications in your printer. A proxy server is typically used by network clients for Internet access. .... For some networks, you might need to contact your Independent Service Provider (ISP) for the proxy server address. Type the port number ...
  • HP LaserJet 9040/9050 | Service Manual - Page 68
    Item DIAGNOSTICS Options LOOPBACK TEST Values YES NO Explanation CAUTION This test will erase your TCP/IP configuration. YES the loopback test will be initiated. NO the loopback test will not be initiated. Specify the IP address of the remote host. A valid IP address must be specified. Specify ...
  • HP LaserJet 9040/9050 | Service Manual - Page 69
    ...Reset the product only under the following circumstances: z z z You want to restore the printer default settings. Communication between the product and computer has been interrupted. You are having problems with a port. The items in the Resets submenu clear all memory in the...
  • HP LaserJet 9040/9050 | Service Manual - Page 70
    Diagnostics menu Administrators can use this menu to troubleshoot jam and print-quality issues. ... or personality. Allows the user to scroll through the contents of the event log from the printer control panel, ... that the firmware does not report. See "Service test" on page 213 for more information. ...
  • HP LaserJet 9040/9050 | Service Manual - Page 71
    ... three steps: 1 2 3 Note Determine the current level of firmware installed on the printer. Go to the www.hp.com/go/lj9000_firmware, www.... upgrade depends on the I/O transfer time, in addition to the time that it takes for the printer to reinitialize. The I/O transfer time depends on several things, ...
  • HP LaserJet 9040/9050 | Service Manual - Page 72
    ...After this command is set, the file can be copied to the printer with the previously mentioned copy command. Note ...through a FIR port. FTP If the HP LaserJet printer uses a direct network connection,.... Press ENTER on the computer keyboard. When prompted for the user name and the password, press ENTER...
  • HP LaserJet 9040/9050 | Service Manual - Page 73
    ... upgrade can be monitored by selecting View Printer Update Status in the navigation section on the screen....Web Jetadmin sends the selected .RFU to the printer. Also, HP Web Jetadmin 6.1 can be used .... d. Click Go. 3 4 5 In the Device List, select the printers that you want to include in the group, and...
  • HP LaserJet 9040/9050 | Service Manual - Page 74
    6 7 8 When prompted for the type of update to perform, click Update Printers, and then click Continue. From the list of HP Devices, select the printers to be upgraded, or click Select All. Click Update to install the new printer firmware. 58 Chapter 3 Product configuration
  • HP LaserJet 9040/9050 | Service Manual - Page 75
    ... Preventative maintenance ...60 Preventive maintenance kit contents ...60 Cleaning the printer and accessories ...61 General cleaning...61 Internal cleaning ...... ...65 Print cartridge information ...67 Storage ...67 Handling instructions ...67 Refilled print cartridges ...68 Print-cartridge weights ...
  • HP LaserJet 9040/9050 | Service Manual - Page 76
    ... about installing a preventive maintenance kit, see the installation guide that accompanies it. Preventive maintenance kit contents The preventive ..., and usage can cause premature wear of these parts. See "Media specifications" in chapter 2 or the HP LaserJet Printer Family Print Media Guide for ...
  • HP LaserJet 9040/9050 | Service Manual - Page 77
    ... piece of paper over the print cartridge to shield it while it is out of the printer. z z CAUTION Clean the outside of the products with a water-dampened cloth. Clean... occurred, some toner might remain on the rollers and guides inside the printer. The pages that print immediately after the jam can ...
  • HP LaserJet 9040/9050 | Service Manual - Page 78
    ..., and dust particles can accumulate inside the printer and the paper-handling accessories. Over time, this buildup can cause print-quality problems such as toner specks or smearing. Internal ... print cartridge, use two hands when removing it from the printer. 2 Open the front cover, turn the green ...
  • HP LaserJet 9040/9050 | Service Manual - Page 79
    ... cartridge cavity. Figure 16. Wipe any residue 4 Replace the print cartridge. Figure 17. Replace the print cartridge 5 Press the button on the green lever, and then turn the lever clockwise to the locked position. Figure 18. Lock the print cartridge Cleaning the printer and accessories 63
  • HP LaserJet 9040/9050 | Service Manual - Page 80
    6 Close the front cover. Plug in all of the power cords, and then turn on the printer. Figure 19. Close the front cover 64 Chapter 4 Product maintenance
  • HP LaserJet 9040/9050 | Service Manual - Page 81
    ...cleaning page cleans the excess toner off the pressure roller in the fuser. The page contains instructions that walk the customer through the process of inserting the page in a tray. If... and then press A cleaning page prints. Figure 20. Sample cleaning page Cleaning the printer and accessories 65
  • HP LaserJet 9040/9050 | Service Manual - Page 82
    ...and places it face-down in tray 1, or face-up in tray 2, the customer is instructed to select this menu item to complete the cleaning process. The device must... appears on the display panel. Note When toner is cleaned from inside the printer, shiny black spots appear on the black strip. If white spots...
  • HP LaserJet 9040/9050 | Service Manual - Page 83
    ... If the print cartridge must be removed from the printer, always store the cartridge in a situation that meets.... If this occurs, replace the cartridge. Never manually rotate the drum, especially in the reverse direction. Manual rotation can cause internal damage and toner spills. z Print cartridge...
  • HP LaserJet 9040/9050 | Service Manual - Page 84
    ... toner used in each print job. When printing text at 5% coverage, an HP LaserJet 9000/9040/9050 print cartridge lasts an average of 30,000 ...Saving toner by using EconoMode HP LaserJet 9000/9040/9050 print cartridge usage can be extended by using the printer EconoMode feature. EconoMode can be turned ...
  • HP LaserJet 9040/9050 | Service Manual - Page 85
    ......87 Fuser-wrapping-jam detection ...87 Jam detection ...88 Tray 1...93 Tray 1 driver PCA ...93 Power supply...93 Sequence of operation ...93 Pickup and feed ...94 Jam detection ...94 Tray 4...95 Tray 4 driver PCA ...95 Power supply...95 Sequence of operation ...95 Pickup and feed ...
  • HP LaserJet 9040/9050 | Service Manual - Page 86
    Basic operation This chapter provides information about the following systems: z z z z z Engine control Formatter Laser/scanner Image formation Pickup and feed Relationships among the five systems are represented in figure 21. Figure 21. Printer systems 70 Chapter 5 Theory of operation
  • HP LaserJet 9040/9050 | Service Manual - Page 87
    Sequence of operation The engine control system controls operational sequences. Table 14 describes the sequences. Figure 22. Sequence-of-operation block diagram Table 14. Normal sequence of operation State WAIT Period From the time the power is switched on until the surface temperature of the ...
  • HP LaserJet 9040/9050 | Service Manual - Page 88
    Table 14. Normal sequence of operation (continued) State INTR (initial rotation) Period Operation scanner-motor rotation fuser/delivery-motor rotation drum-motor rotation high-voltage control (negative bias to transfer roller) receives print command fan-motors 1 through 6 full-speed rotation ...
  • HP LaserJet 9040/9050 | Service Manual - Page 89
    ...Power-on sequence The sequence from the time the power is turned on until the printer enters the standby state is as follows: 1 2 3 4 5 6 7 8 9 The power is turned ... interface communication begins (formatter). All of the fans are turned on. The printer flushes any residual paper from the paper path. ...
  • HP LaserJet 9040/9050 | Service Manual - Page 90
    Timing chart Figure 23. Timing chart block diagram 74 Chapter 5 Theory of operation
  • HP LaserJet 9040/9050 | Service Manual - Page 91
    Engine control system The engine control system coordinates the laser/scanner, image formation, and pickup and feed systems according to the instructions it receives from the formatter. The engine control system consists of the DC controller PCA, the high-voltage power supply circuit, and the low-...
  • HP LaserJet 9040/9050 | Service Manual - Page 92
    DC controller PCA The DC controller circuit controls operational sequences of the printer. Figure 25. DC controller PCA block diagram 76 Chapter 5 Theory of operation
  • HP LaserJet 9040/9050 | Service Manual - Page 93
    ... the DC controller PCA controls the following printer operations, according to instructions from the CPU: • laser/scanner • ... (IC204) stores backup data. The pickup motor driver IC (IC205) drives the pickup motor. The... up-and-down motor. The lifter motor driver IC (IC207) drives the lifter motor. ...
  • HP LaserJet 9040/9050 | Service Manual - Page 94
    ... the primary charging roller, the developing cylinder, the pre-transfer upper guide, the transfer charging roller, the separation static charge eliminator, and the pressure roller through the ASIC (IC 202), according to instructions it receives from the CPU (IC201) on the DC controller PCA. The ...
  • HP LaserJet 9040/9050 | Service Manual - Page 95
    ...transferred onto latent images formed on the photosensitive drum. Pre-transfer upper guide bias generation. Prevents toner on the photosensitive drum from adhering to the pre-transfer upper guide. Transfer bias generation. Each of the three types of transfer bias ...
  • HP LaserJet 9040/9050 | Service Manual - Page 96
    ...heaters by turning off power to the heaters when the temperature rises abnormally. The printer is designed to prevent flicker. Lights attached to the same ...supply circuit converts ac voltage from the power source to dc voltage when the printer is turned on. The ac power is converted as follows: z z z...
  • HP LaserJet 9040/9050 | Service Manual - Page 97
    ... power is turned off or disconnected. (As in other HP LaserJet printers, downloaded fonts and macros are ... turned off.) Interfaces • Parallel interface (HP LaserJet 9040/9050 only)-Receives incoming ... and monitor printer status from the host computer. • Parallel interface (HP LaserJet 9000 only)-...
  • HP LaserJet 9040/9050 | Service Manual - Page 98
    .... z Real Time Clock (HP LaserJet 9040/9050 only)-The user sets the date and time when the printer is turned on for the first time. This date and time is used for ... Wake-up time feature. A battery supplies power when the printer is turned off. HP Jetdirect Fast Ethernet embedded print ...
  • HP LaserJet 9040/9050 | Service Manual - Page 99
    Laser/scanner system The laser/scanner unit of the HP LaserJet 9000 series printer and the HP LaserJet 9040/9050 series printer contains two laser diodes in its laser unit. The printer employs the "twin-beam method," which scans two lines simultaneously. Based ...
  • HP LaserJet 9040/9050 | Service Manual - Page 100
    ... toner is attracted to the discharged (exposed, grounded) areas of the drum, and is repelled from the negatively charged (unexposed) areas. Pre-transfer-Applies bias to prevent toner on the photosensitive drum from adhering to the pre-transfer upper guide. 2 3 4 84 Chapter 5 Theory of operation
  • HP LaserJet 9040/9050 | Service Manual - Page 101
    ... Waste toner reservoir Cartridge memory Blade Developing cylinder Cleaner blade Plate antenna Photosensitive drum roller Static charge eliminator Pre-transfer guide Transfer charging roller Flat antenna Toner reservoirs Figure 30. Print cartridge Cartridge design The design of the print cartridge...
  • HP LaserJet 9040/9050 | Service Manual - Page 102
    ...turns off the open signal, completing the roll up sequence. The DC controller also monitors the printer for presence of a print cartridge. When a cartridge is inserted, the same signal that instructs the cartridge to roll up the seal is used as ...
  • HP LaserJet 9040/9050 | Service Manual - Page 103
    ... transports each sheet to the fuser unit. When the printer is turned on, the stack of print media is lifted ... to the fuser. Media-size detection Because the printer can contain custom-size media... than 50 sheets). Multifeed prevention The printer utilizes the separation roller method for its multiple...
  • HP LaserJet 9040/9050 | Service Manual - Page 104
    ... (PS502) and the fuser jam sensor (PS501) detect media when the printer is turned on. • Three minutes have passed since a jam that should ... command. • A jam was cleared, jammed media was automatically delivered, the printer is on, and the fuser roller reached its target temperature, but at least ...
  • HP LaserJet 9040/9050 | Service Manual - Page 105
    Figure 31. Pickup-and-feed system sensors and switches Pickup and feed system 89
  • HP LaserJet 9040/9050 | Service Manual - Page 106
    Table 16. Pickup-and-feed system sensors and switches Sensor/switch PS1 PS2 PS501 PS502 PS1401 PS1402 PS1403 PS1404 PS1405 PS1406 PS1407 PS1408 PS1409 PS1410 PS1411 PS1412 PS1413 PS1451 PS1452 SW2 SW3 SW4 SW5 Description Overhead transparency sensor Registration paper sensor Fuser delivery sensor ...
  • HP LaserJet 9040/9050 | Service Manual - Page 107
    Figure 32. Pickup-and-feed system motors and solenoids Pickup and feed system 91
  • HP LaserJet 9040/9050 | Service Manual - Page 108
    Table 17. Pickup-and-feed system motors and solenoids Motor/solenoid DCM1 DCM2 SMT1 SMT2 SMT3 SL1 SL501 CL1 CL2 Description Fuser/delivery motor Main/drum motor Pickup roller up and down motor Lifter motor Pickup motor Face-up solenoid Jam detection lever drive solenoid Registration roller drive ...
  • HP LaserJet 9040/9050 | Service Manual - Page 109
    ...and feeds media into the printer. Tray 1 driver PCA A driver PCA in the tray holds ...Sequence of operation When tray 1 is installed, the door is closed, or the printer returns from sleep mode, and the paper ... not detect the presence of media, the tray 1 driver PCA rotates the motor to bring the pickup...
  • HP LaserJet 9040/9050 | Service Manual - Page 110
    ...multifeed occurs, the torque limiter allows the top sheet to feed into the printer, but returns the additional sheet to the tray. Jam detection The tray...path sensor (PS2502) determines whether or not media is transported correctly to the printer. If the paper path sensor does not detect the leading ...
  • HP LaserJet 9040/9050 | Service Manual - Page 111
    ...and feeds media into the printer. Tray 4 driver PCA A driver PCA in tray 4 holds...-on signal to the power supply unit through the driver PCA. When the signal is received, the power supply... lifting the stack to the pickup position. When the formatter instructs tray 4 to deliver media, the drive rollers...
  • HP LaserJet 9040/9050 | Service Manual - Page 112
    ... and feed The formatter sends a signal to the driver PCA to start driving the pickup and .... When the media reaches the merge-point in the printer, the driver PCA checks for a merge-point permission ...If the signal is detected, tray 4 continues feeding to the printer. If the signal is not detected, tray...
  • HP LaserJet 9040/9050 | Service Manual - Page 113
    ... ...99 Electrostatic discharge (ESD) ...99 Required tools...99 Orientation of the printer (with tray 4) ...100 Covers ...101 Right top cover ...101 Left ...125 Paper-input unit (PIU) ...126 Registration assembly...129 Transfer-guide assembly ...131 Left assemblies ...133 Duplexer ...133 Fuser assembly...
  • HP LaserJet 9040/9050 | Service Manual - Page 114
    DC controller ...Toner-sensor contact assembly ...Drum motor ...Drum motor ...Feed-drive assembly ...Power-supply fan (fan 1) ...Cartridge fan (fan 5) ...Controller fan (fan 2) ...Jetlink connector ...Fuser-connector holder assembly ...Fuser delivery-drive assembly ...Tray 4 ...Orientation ...Left ...
  • HP LaserJet 9040/9050 | Service Manual - Page 115
    ...always use the provided wire loops, lance points, or wire-harness guides. Electrostatic discharge (ESD) CAUTION The printer contains ...and protective ESD pouches. Required tools The following tools are needed to service the printer: z z z z z z z #2 Phillips screwdriver with magnetic tip T-10 TORX ...
  • HP LaserJet 9040/9050 | Service Manual - Page 116
    Orientation of the printer (with tray 4) The printer is shown with tray 4 and tray 1. Front and right side orientation Front Right Figure 35. View of front and right side Back and left side orientation Back Left Figure 36. View of back and left side 100 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 117
    Covers The following covers can be removed from the printer: z z z z z Right top cover Left top cover Front cover Right door Right lower cover z z z z Left door and diverter Left back cover Back cover Rail cover Right top cover 1 2 3 4 Remove the control panel. See page 111. Remove tray 1 if it...
  • HP LaserJet 9040/9050 | Service Manual - Page 118
    5 6 Remove three silver screws (callout 2). Gently lift the right edge to release the tabs, and then lift the right top cover to the right. 2 Figure 38. Right top cover (2 of 2) To reinstall If the left top cover was removed (page 103), you must replace it before replacing the right top cover....
  • HP LaserJet 9040/9050 | Service Manual - Page 119
    ... the left top cover up, and then pull it toward the right side of the printer to release two locating tabs (on the underside of the cover, at the left...cover. Insert the three locating tabs (on the underside of the cover, at the left edge) into the locating holes on the top of the printer. Covers 103
  • HP LaserJet 9040/9050 | Service Manual - Page 120
    ... of 2) 3 Remove the front cover from the hinges (callout 3) by pulling up on the hinge tabs that are located below the front cover. Note To gain access to the tabs, the front cover needs to be lifted away from the printer. 3 Figure 41. Front cover (2 of 2) 104 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 121
    .... 1 2 2 Figure 42. Right door (1 of 2) 5 Unplug two multiple-wire cable connectors (callout 3). Note Do not remove the single grounding cable (callout 4). 6 Lift the right door up and off of the two hinges, and remove it from the printer. 2 3 2 4 Figure 43. Right door (2 of 2) Covers 105
  • HP LaserJet 9040/9050 | Service Manual - Page 122
    Right lower cover 1 Remove the following FRUs: • Right door. See page 105. • Back cover. See page 109. • Right and left rail covers. See page 110. 2 3 4 Remove three screws (callout 1). Rotate the lower edge up to release two tabs (callout 2). Remove the right lower cover. 2 2 1 Figure 44....
  • HP LaserJet 9040/9050 | Service Manual - Page 123
    ... stacker, 3,000-sheet stapler/stacker, or multifunction finisher is installed, move it away from the printer to gain access to the left door and diverter. 1 CAUTION ... two spring-loaded rods (callout 2), push them in toward the printer, and then pull them down and away from ...
  • HP LaserJet 9040/9050 | Service Manual - Page 124
    ... 3 Remove the formatter. See page 135. Remove three silver screws (not shown) from the left back cover. Rotate the left back cover toward the back of the printer to release the three tabs (callout 1) on the left side of the cover and the two tabs (callout 2) on the right side of the cover. 2 1 2 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 125
    ...the power cord. Remove two silver screws (callout 1) on the right back cover. Remove seven gold screws (callout 2) on the back cover. While facing the back of the printer, rotate the left edge out and then remove the back cover. Make sure that you do not damage the plastic that surrounds the power ...
  • HP LaserJet 9040/9050 | Service Manual - Page 126
    Right and left rail covers 1 2 3 4 5 Remove trays 2 and 3. See page 121. Remove two silver screws (callout 1) from the right rail cover. Lift the upper tab (callout 2) to release it, and push the lower tab (callout 3) toward the right to release it. Remove the right rail cover. Remove the screw ...
  • HP LaserJet 9040/9050 | Service Manual - Page 127
    ... Gain access to the following assemblies from the top of the printer: z z z z Control panel Laser/scanner assembly ... panel by pulling them toward the front of the printer. Tilt the front of the control panel up... panel, and remove the control panel from the printer. 1 Figure 49. Control panel Top...
  • HP LaserJet 9040/9050 | Service Manual - Page 128
    ... FRUs: • Control panel. See page 111. • Right top cover. See page 101. 2 3 4 Unplug three cable connectors (callout 1). Remove four long, gold screws (callout 2). Lift the laser/scanner out of the printer. 1 2 2 Figure 50. Laser/scanner assembly 112 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 129
    ...Left top cover. See page 103. • Left back cover. See page 108. • Control panel. See page 111. 2 3 4 5 6 Open the left door. Face the top of the printer from the left side. Unplug one cable connector (callout 1). Remove four gold screws (callout 2) and two silver screws (callout 3). Lift out the ...
  • HP LaserJet 9040/9050 | Service Manual - Page 130
    Delivery-fan assembly 1 2 3 CAUTION Remove the delivery assembly. See page 113. Gently remove the two sensor flags (callout 1) from the holders. Unplug three cable connectors (callout 2). Make sure that you remove and replace the cable connectors carefully. 4 5 6 Remove one silver screw (callout ...
  • HP LaserJet 9040/9050 | Service Manual - Page 131
    ...-assembly fans and face-down-bin fan (fans 3, 6, and 4) 1 2 Remove the fan assembly. See page 114. Carefully unwind the fan cables from the cable guides (callout 1). 2 1 Figure 53. Delivery-assembly fans and face-down-bin fan (1 of 2) 3 4 Remove six gold screws (callout 2). Remove the three fans:...
  • HP LaserJet 9040/9050 | Service Manual - Page 132
    Delivery motor 1 Remove the following FRUs: • Right top cover. See page 101. • Left top cover. See page 103. • Control panel. See page 111. • Delivery assembly. See page 113. WARNING! The PCA board is fragile. To prevent damage, hold the PCA board when you remove or plug in the connector. 2...
  • HP LaserJet 9040/9050 | Service Manual - Page 133
    ... lever downward. Figure 56. Cartridge release lever (1 of 3) 4 5 6 Remove the print cartridge. See page 119. Rotate the cartridge release lever to a 45° angle. Face the top of the printer, and remove two long screws (callout 2). 2 Figure 57. Cartridge release lever (2 of 3) Top assemblies 117
  • HP LaserJet 9040/9050 | Service Manual - Page 134
    7 Rotate the cartridge release lever to the vertical, unlocked position. Figure 58. Cartridge release lever (3 of 3) 8 Face the front of the printer, and slide the cartridge release handle away from the front of the printer. 118 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 135
    Front assemblies Gain access to the following assemblies from the front of the printer: z z z Print cartridge Transfer-roller assembly Tray 2 and tray 3... you reinstall the print cartridge. Align the print cartridge with the print cartridge guides, and make sure that you insert it completely. Press ...
  • HP LaserJet 9040/9050 | Service Manual - Page 136
    ... tab (callout 2), and slowly pull the transfer roller assembly out of the printer. Lift the assembly upward to release the catch on the underside, and remove the assembly from the printer. 2 1 2 Figure 60. Transfer-roller assembly To reinstall z Make sure that the ...
  • HP LaserJet 9040/9050 | Service Manual - Page 137
    Tray 2 and tray 3 (interchangeable) 1 2 3 Slide the tray open until it stops. Grasp the sides of the tray. Lift the tray up and remove it. Figure 61. Tray 2 or tray 3 Front assemblies 121
  • HP LaserJet 9040/9050 | Service Manual - Page 138
    Rollers (pickup, feed, or separation) CAUTION Do not remove the torque limiter from behind the separation roller. If the black spacer comes off, return it to the shaft, metal-edge first. 1 2 3 4 Remove tray 2 or tray 3. See page 121. Locate the appropriate roller on the upper-right side of the tray...
  • HP LaserJet 9040/9050 | Service Manual - Page 139
    Fuser-jam-removal knob CAUTION Make sure not to drop any of the internal parts from the fuser-jam-removal knob, and pay careful attention to the original location of the parts. 1 2 3 Open the front cover. Release the tab (callout 1) with a small flatblade screwdriver. Slowly remove the knob and ...
  • HP LaserJet 9040/9050 | Service Manual - Page 140
    ... 3 Open the front cover. Hold the registration-jam-removal knob firmly, and remove the silver screw inside the knob (callout 1). Pull the knob off of the printer. 2 1 Figure 64. Registration-jam-removal knob To reinstall Make sure that you align the knob with the notch on the post. 124 Chapter ...
  • HP LaserJet 9040/9050 | Service Manual - Page 141
    ... access to the following assemblies from the right side of the printer: z z z z Multipurpose tray (tray 1) Paper-input unit (PIU) Registration assembly Transfer-guide assembly Tray 1 1 2 3 Unlock two locking... 1. Gently pull the bottom of the tray away from the printer. Open the right door, and lift...
  • HP LaserJet 9040/9050 | Service Manual - Page 142
    ... screws (callout 1), two from each rail. Pull the rails out from the front of the printer. 2 1 Figure 66. Paper-input unit (1 of 5) 4 5 Face the right side of the printer. If tray 4 is installed, remove the paper-connecting unit by sliding two levers (callout 2) ...
  • HP LaserJet 9040/9050 | Service Manual - Page 143
    .... 4 2 3 2 Figure 68. Paper-input unit (3 of 5) 9 Face the back of the printer. 10 Remove the J-220 and J-221 cable connectors (callout 5) from the DC controller, and carefully unwind the cables from the cable guides (callout 6). 2 5 2 6 Figure 69. Paper-input unit (4 of 5) Right ...
  • HP LaserJet 9040/9050 | Service Manual - Page 144
    11 Face the right side of the printer. 12 Push the green registration handle (callout 7) down slightly, and then pull it out to gain access to the PIU. 13 Remove four silver screws (callout 8). CAUTION The PIU is heavy. 14 Grasp the PIU handle (callout 9), and lift the PIU out. 2 7 8 2 2 9 Figure...
  • HP LaserJet 9040/9050 | Service Manual - Page 145
    Registration assembly 1 Remove the following FRUs: • Right door. See page 105. • Back cover. See page 109. • Print cartridge. See page 119. • Tray 2 and tray 3. See page 121. • Registration-jam-removal knob. See page 124. • PIU. See page 126. 2 Unplug the J-215 cable connector (callout ...
  • HP LaserJet 9040/9050 | Service Manual - Page 146
    3 4 Remove two gold screws (callout 2) from the registration assembly. Lift the registration assembly up slightly, and then rotate it downward until you can pull it from the chassis. 2 Figure 72. Registration assembly (2 of 2) To reinstall WARNING! Make sure not to scrape the top of the ...
  • HP LaserJet 9040/9050 | Service Manual - Page 147
    ... Remove two gold screws (callout 1) from the transfer-guide assembly. Push in and release the two ...(callout 2) to the right of each screw. Lift the transfer-guide assembly up, rotate it forward slightly,...and then pull it out of the printer. 2 1 2 Figure 73. Transfer-guide assembly Right assemblies ...
  • HP LaserJet 9040/9050 | Service Manual - Page 148
    To reinstall 1 2 CAUTION Face the right side of the printer, and reinsert the pin (callout 1) in the back, left corner. Rotate the ... proceeding. Face the left side of the printer, and check the tabs. 2 1 2 Figure 74. Reinstalling the transfer-guide assembly 132 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 149
    ..., 3,000-sheet stapler/stacker, multifunction finisher, or 8-bin mailbox is installed, move it away from the printer before beginning repairs to the... the printer. Gain access to the following assemblies from the left side of the printer: z z Duplexer Fuser assembly Duplexer 1 2 3 Lift the left door ...
  • HP LaserJet 9040/9050 | Service Manual - Page 150
    Fuser assembly WARNING! Note The fuser assembly can be hot. Use caution when removing it. If an optional output accessory is installed, remove it. If a duplexer is installed, remove it. See page 133. 1 2 Note Lift the left door handle, and then open the left door. Rotate the two blue locking tabs (...
  • HP LaserJet 9040/9050 | Service Manual - Page 151
    Back assemblies Gain access to the following assemblies from the back of the printer: z z z z z Formatter Low-voltage power supply (LVPS) High-voltage...slide the formatter out of the printer. Place the formatter on an ESD mat. 1 2 Figure 79. Formatter (HP LaserJet 9000 shown) Back assemblies 135
  • HP LaserJet 9040/9050 | Service Manual - Page 152
    ... power supply 1 2 3 Remove the back cover. See page 109. Remove the large cable connector (callout 1) from the DC controller. Unroute the cable from the cable guides (callout 2). 1 2 2 Figure 80. Low-voltage power supply (1 of 2) 4 5 6 7 8 Unplug one standard cable connector (callout 3) from the...
  • HP LaserJet 9040/9050 | Service Manual - Page 153
    ... 1) from the DC controller. Unplug the low-voltage power-supply cable connector (callout 2) from the DC controller, and unroute the cable from the cable guides (callout 3). 2 1 2 2 3 Figure 82. High-voltage power supply (1 of 2) 4 5 Remove three silver screws (callout 4). Push the black locking ...
  • HP LaserJet 9040/9050 | Service Manual - Page 154
    DC controller CAUTION The DC controller is sensitive to electrostatic discharge (ESD). Always perform service work at an ESD-protected workstation, or use an ESD mat. For further precautions, see page 99. 1 Remove the following FRUs: • Back cover. See page 109. • Formatter. See page 135. • ...
  • HP LaserJet 9040/9050 | Service Manual - Page 155
    3 4 5 Remove four gold screws (callout 2). Release the small tab (callout 3), and rotate the top edge of the DC controller away from the printer. Remove the DC controller from the two metal holders (callout 4). 2 3 2 3 4 2 Figure 85. DC controller (2 of 2) Back assemblies 139
  • HP LaserJet 9040/9050 | Service Manual - Page 156
    Toner-sensor contact assembly 1 Remove the following FRUs: • Back cover. See page 109. • High-voltage power supply. See page 137. • DC controller. See page 138. 2 3 Remove two screws (callout 1). Remove the toner-sensor contact assembly. 2 1 Figure 86. Toner-sensor contact assembly To ...
  • HP LaserJet 9040/9050 | Service Manual - Page 157
    Drum motor 1 2 3 4 5 Remove the back cover. See page 109. Remove the HVPS. See page 137. Unplug one cable connector (callout 1). Remove four gold screws (callout 2). Pull the drum motor away from the printer. 1 2 2 Figure 88. Drum motor Back assemblies 141
  • HP LaserJet 9040/9050 | Service Manual - Page 158
    ...white button on the cartridge release lever (callout 1, page 119), and then rotate the lever clockwise until it locks into place. Face the back of the printer. Pinch the two black tabs (callout 2) together with needle-nose pliers to release the activation lever (callout 3). Remove three gold screws ...
  • HP LaserJet 9040/9050 | Service Manual - Page 159
    ...the fan cable connector (callout 1), and carefully unwind the fan cables from the cable guides (callout 2). Slide the power supply fan (callout 3) out of the printer. 2 1 2 2 3 Figure 90. Power-supply fan Back assemblies 143
  • HP LaserJet 9040/9050 | Service Manual - Page 160
    ... 3), and then press the arrow-marked area in the direction that the arrow indicates. Slide the cartridge fan to the right to remove it. 2 3 2 Figure 92. Cartridge fan (2 of 2) To reinstall Slide the tabs into the printer before you snap the fan into place. 144 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 161
    ... the fan cable connector (callout 1), and carefully unwind the fan cables from the cable guides (callout 2). Release two black tabs (callout 3). Slide the controller fan (callout 4) out of the printer. 2 1 2 3 2 2 4 Figure 93. Controller fan Back assemblies 145
  • HP LaserJet 9040/9050 | Service Manual - Page 162
    Jetlink connector 1 2 3 4 Remove the back cover. See page 109. Disconnect two cables (callout 1) that are connected to the Jetlink connector (behind the white ground connector). Remove two screws (callout 2). Remove the Jetlink connector. 2 1 Figure 94. Jetlink connector 146 Chapter 6 Removal ...
  • HP LaserJet 9040/9050 | Service Manual - Page 163
    Fuser-connector holder assembly 1 Remove the following FRUs: • Formatter. See page 135. • Back cover. See page 109. • Left top cover. See page 103. • Right top cover. See page 105. • Low-voltage power supply. See page 136. • High-voltage power supply. See page 137. • Feed-drive ...
  • HP LaserJet 9040/9050 | Service Manual - Page 164
    4 Remove one screw (callout 5) and one cable connector (callout 6), and then pull the fuserconnector holder assembly toward you. 6 5 Figure 97. Fuser-connector holder assembly (3 of 3) 148 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 165
    Fuser delivery-drive assembly 1 Remove the following FRUs: • Left top cover. See page 103. • Right top cover. See page 105. 2 3 4 Open the left door. Remove the delivery assembly. See page 113. Disconnect one cable (callout 1) and one connector (callout 2). 1 2 Figure 98. Fuser delivery-...
  • HP LaserJet 9040/9050 | Service Manual - Page 166
    6 From the left side of the printer, lift the back of the fuser delivery drive assembly to disengage the top tabs (callout 4). 4 Figure 100. Fuser delivery-drive assembly (3 of 3) 7 Pull the fuser delivery-drive assembly toward you to disengage the front tab, rotate the assembly to the left, and...
  • HP LaserJet 9040/9050 | Service Manual - Page 167
    ... z z z z z z Drive assembly Controller board Paper-size detection switch PCB Power supply Pickup assembly Paper connecting unit Orientation See "Orientation of the printer (with tray 4)" on page 100. Left side cover 1 2 3 Remove two screws (callout 1) from the left side cover. Pull the top edge ...
  • HP LaserJet 9040/9050 | Service Manual - Page 168
    Right side cover 1 2 3 Remove two screws (callout 1) from the right side cover. Pull the top edge of the cover outward. Lift the right side cover up and out to remove it from tray 4. 1 2 2 Figure 102. Right side cover To reinstall Make sure that the hook (callout 2) on the inside of the cover ...
  • HP LaserJet 9040/9050 | Service Manual - Page 169
    Back covers Center back cover 1 2 Remove four screws (callout 1) from the center back cover. Remove the center back cover. Right back cover 1 2 3 Note Remove the center back cover. Slide the right back cover (callout 2) toward the center to release an interior tab. Lift the right back cover ...
  • HP LaserJet 9040/9050 | Service Manual - Page 170
    Tray 4 CAUTION Tray 4 is heavy and can be damaged if dropped. Use both hands when removing tray 4. 1 2 3 4 Open tray 4 (the tray assembly), and remove all of the paper. Pull the tray assembly out until it stops. Press the release button (callout 1) on the right side of the tray and the release ...
  • HP LaserJet 9040/9050 | Service Manual - Page 171
    Rollers (pickup, feed, and separation) 1 2 Remove tray 4. See page 154. Locate the appropriate roller on the upper right side of the tray cavity. The pickup roller (callout 1), feed roller (callout 2), and separation roller (callout 3) are all type 2 rollers. Note To gain access to the separation...
  • HP LaserJet 9040/9050 | Service Manual - Page 172
    Registration assembly 1 2 CAUTION Remove the right side cover. See page 152. Remove four screws (callout 1). Use care when following step 3. Three cables are connected to the registration assembly. 3 Gently lift the registration assembly off of tray 4, and unplug three connectors (callout 2) from ...
  • HP LaserJet 9040/9050 | Service Manual - Page 173
    ... 1 2 3 4 5 Remove the center back cover. See page 153. Unplug the cable connector (callout 1) from the controller board. Carefully unwind the cable from the cable guides (callout 2). Remove two screws (callout 3). Remove the drive motor from tray 4. 1 2 2 2 3 Figure 108. Drive motor Tray 4 157
  • HP LaserJet 9040/9050 | Service Manual - Page 174
    ...4 5 Remove the center back cover. See page 153. Unplug the cable connector (callout 1) from the controller board. Carefully unwind the cable from the cable guides (callout 2). Remove two screws (callout 3). Remove the drive assembly from tray 4. 1 2 2 2 3 Figure 109. Drive assembly 158 Chapter...
  • HP LaserJet 9040/9050 | Service Manual - Page 175
    Controller board 1 Remove the following FRUs: • Center back cover. See page 153. • Left back cover. See page 153. 2 Unplug eleven connectors (callout 1). 2 1 Figure 110. Controller board (1 of 2) 3 4 5 Remove two screws (callout 2). Release two holding pins (callout 3). Remove the controller...
  • HP LaserJet 9040/9050 | Service Manual - Page 176
    Paper-size detection switch PCA 1 2 Remove the center back cover. See page 153. Remove one screw (callout 1) to remove the leaf spring (callout 2). 2 1 2 Figure 112. Paper-size switch PCA (1 of 2) 3 4 Release four tabs (callout 3), and remove the PCA from the casing. Unplug the cable connector ...
  • HP LaserJet 9040/9050 | Service Manual - Page 177
    Power supply 1 Remove the following FRUs: • Center back cover. See page 153. • Left back cover. See page 153. 2 3 4 Unplug one connector (callout 1). Remove two screws (callout 2). Slide the power supply to the left to remove it. 2 1 2 3 Figure 114. Power supply Tray 4 161
  • HP LaserJet 9040/9050 | Service Manual - Page 178
    Pickup assembly 1 Remove the following FRUs: • Right side cover. See page 152. • Center back cover. See page 153. • Right back cover. See page 153. • Tray assembly. See page 154. • Registration assembly. See page 156. 2 From the back of tray 4, unplug two connectors (callout 1). 2 1 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 179
    Paper-connecting unit 1 2 Release the two levers (callout 1) by pulling them toward the center of the paper connecting unit. Lift the paper connecting unit straight up and remove it. 1 2 Figure 117. Paper-connecting unit Tray 4 163
  • HP LaserJet 9040/9050 | Service Manual - Page 180
    164 Chapter 6 Removal and replacement
  • HP LaserJet 9040/9050 | Service Manual - Page 181
    ...panel and event-log message format ...179 Printer-message tables ...179 Alphabetical error messages ... ...217 Other diagnostics for the HP LaserJet 9040/9050, 9040mfp, and 9050mfp ...219 Cold reset ... File directory page ...232 Image-formation troubleshooting...233 Check the print cartridge...234 Image-...
  • HP LaserJet 9040/9050 | Service Manual - Page 182
    Repeating defect ruler ...243 Media troubleshooting ...244 Determine the problem source: media or printer ...244 Isolate a paper path ...244 Isolate a media .../9050n, HP LaserJet 9040dn/9050dn, HP LaserJet 9050mfp, and HP LaserJet 9040mfp only) ...247 Wiring diagrams ......
  • HP LaserJet 9040/9050 | Service Manual - Page 183
    ..." on page 168 illustrates the primary steps for troubleshooting the printing system. Each heading depicts ...-path test? This section contains information about troubleshooting paper-path and print-media... evaluating and correcting printer configuration. "Image-formation troubleshooting" on page 233 Does...
  • HP LaserJet 9040/9050 | Service Manual - Page 184
    Basic troubleshooting process flow Figure 118. Basic troubleshooting process flow (1 of 2) 168 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 185
    Figure 119. Basic troubleshooting process flow (2 of 2) Troubleshooting process 169
  • HP LaserJet 9040/9050 | Service Manual - Page 186
    ... conditions are met before troubleshooting a specific printer problem: z z z z z z z z z z z z The printer is plugged in, and the specified ... to ammonia fumes. The printer is not exposed to direct sunlight. Non-HP components (such... can cause image defects and media-handling problems. Always make sure...
  • HP LaserJet 9040/9050 | Service Manual - Page 187
    ...panel. Tray 2, 3, or 4: remove and reseat the paper guides in the correct position in the tray that fails. Verify ...setting. The printer stops printing and hangs on certain jobs z z z Remove any non-HP ... job. Send a print job from a different software program. General troubleshooting information 171...
  • HP LaserJet 9040/9050 | Service Manual - Page 188
    ... different envelopes (make sure that the envelopes are within specifications; see the HP LaserJet Printer Family Print Media Guide). Fusing is ... the paper-path test fails, troubleshoot the error message. Make sure that the most current printer driver is installed (click the Print Quality tab on the ...
  • HP LaserJet 9040/9050 | Service Manual - Page 189
    ... (MILLIMETERS or INCHES), and then press or or Use the keypad or the Use the keypad or the to specify the X (front to back) dimension, and then press to specify the Y (left to right) dimension, and then press Press PAUSE/RESUME or MENU to exit the menu. General troubleshooting information 173
  • HP LaserJet 9040/9050 | Service Manual - Page 190
    ...sure that power is available. See "Electrical specifications (HP LaserJet 9000)" in Chapter 1. Is the printer on/off switch set to Push the switch ... the fans are working, but the printer control panel is blank, print an engine test. See "Service-level diagnostics" on page 215. If the engine test is ...
  • HP LaserJet 9040/9050 | Service Manual - Page 191
    ... Use the event log to diagnose and troubleshoot printer errors and intermittent failures... about the error messages. The information is more useful for troubleshooting. The following items should be logged in the event... diagnostics tests Print the event log The printer internal event log stores the 50...
  • HP LaserJet 9040/9050 | Service Manual - Page 192
    ... example, if jams tend to occur in a specific area of the printer). Record any specific error trends. See "Printer-message tables" on page 179" and follow the recommended action. Sample event log... Figure 120. Sample event log (HP LaserJet 9000 series printer page shown) 176 Chapter 7...
  • HP LaserJet 9040/9050 | Service Manual - Page 193
    ... event log Whenever a 13.XX appears on the control panel, clear the jammed media from the printer, press PAUSE/ RESUME or MENU to stop printing, and print the event log. ... you cannot print the event log, you can still view it on the control panel. Troubleshooting by using control-panel messages 177
  • HP LaserJet 9040/9050 | Service Manual - Page 194
    ...them, but not serious enough to cause the printer to stop the printing process. They are usually.... If the critical error persists, the printer might require service and the customer must... help. The prompt at the bottom of the control panel does not appear. z z z z z 178 Chapter 7 Troubleshooting...
  • HP LaserJet 9040/9050 | Service Manual - Page 195
    ...-panel display to relay the normal status of the printer (such as PROCESSING JOB), or an error condition ...such as READY) are self-explanatory. Note Some printer messages are affected by the AUTO CONTINUE and ... Device menu, on the System Setup submenu, or on the printer control panel (see "System setup...
  • HP LaserJet 9040/9050 | Service Manual - Page 196
    ... DISK FLASH ROM DISK RAM DISK 1 2 3 Turn off the printer, and then turn ...moves smoothly. If the error persists, perform the service test. Check with the network administrator. ACCESS ... mechanism is enabled. z The printer is canceling a job. No action is necessary. 180 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 197
    ...encountered a request for a personality that does not exist in the printer. The job is aborted, and no pages... is clearing. Media is detected in the paper path (the printer will attempt to eject the media). The front door... door. If the error persists, perform a service test. Control-panel messages 181...
  • HP LaserJet 9040/9050 | Service Manual - Page 198
    ... DATA RECEIVED PRESS TO CONTINUE alternates with The printer has received data. Press to print ...SIZE IN TRAY XX For help press alternates with The printer is deleting the stored job. Standard-size... 1 is initializing. 2 The hard disk is not installed on the MFP. z z No action is necessary. Do not...
  • HP LaserJet 9040/9050 | Service Manual - Page 199
    ... XX DO NOT POWER OFF MANUAL FEED [TYPE] [SIZE] For help press ... on the size of the entity). process). A job is sent to the printer, but the 1 specified media size is not...-saving or I/O 1 buffering settings had to be 2 changed by the printer (memory is 3 insufficient for the previous settings). Verify...
  • HP LaserJet 9040/9050 | Service Manual - Page 200
    ... SHORTAGE JOB CLEARED For help press alternates with The printer ran out of memory (the 1 remainder of the job ...alternates with READY To enter menus press NON HP CARTRIDGE DETECTED For help press A non-... Press any key on the control panel to return the device to ready. 184 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 201
    ... No action is necessary. No action is necessary. A PCL or PS personality typeface No action ... page is printing. No action is necessary. The printer is processing the No action is necessary. current ... yet begun to pick up pages. The printer is processing or printing collated copies (X of Y indicates ...
  • HP LaserJet 9040/9050 | Service Manual - Page 202
    ... job failed. A value is saved. Unlock the scan carriage. Turn off the printer, and then turn the printer on again. No action is necessary. Verify the tray settings. Set the tray switch to ... job does not require this tray to print. READY To enter menus press 186 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 203
    ... [TYPE] [SIZE] FROM TRAY N INSTEAD A memory, disk, or configuration problem prevents the job from being stored. Check the control panel for additional ...number XX is lifting the media to the top of the tray for correct feeding. The printer was turned on or is coming out of PowerSave mode. No action ...
  • HP LaserJet 9040/9050 | Service Manual - Page 204
    ... Close the door so that the printer attempts to clear the paper path. Perform a service test. See ... printer attempts to clear the paper path. Perform a service test. See page 213. If ...DOOR For help press A page is jammed in the paper path at the feed area. 1 2 3 4 5 6 188 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 205
    ...4 Clear the jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform a service test. See page 213. If... Clear the jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform a service test...
  • HP LaserJet 9040/9050 | Service Manual - Page 206
    ... jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Reseat the ... sure the delivery flags move smoothly. Perform a service test. See page 213. If the ... face-down bin delivery sensor (PS1451) within the specified time. 3 4 5 6 7 190 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 207
    ... jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Reseat the ... sure the delivery flags move smoothly. Perform a service test. See page 213. If the ... jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Reseat the...
  • HP LaserJet 9040/9050 | Service Manual - Page 208
    ... in the indicated area of the input device. Remove the media from the right door of the printer engine. Clear the jam in the indicated area. Close the door so that the....11.07 z z A page is jammed in the right door area. A page stopped in the registration area. 1 2 3 192 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 209
    ...jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Make... in the indicated area. Close the door so that the printer attempts to clear the paper path. Replace... in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform...
  • HP LaserJet 9040/9050 | Service Manual - Page 210
    ... jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform a...Replace the duplexer. Replace the diverter. Clear the jam. Turn off the printer, and then turn ... 13.12.04 Media is jammed in the flipper internal area. 1 2 3 4 5 194 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 211
    ...mechanical interference in the flipper and paper-path rollers. Turn off the printer, and then turn the ... interference in the flipper and paper-path rollers. Turn off the printer, and then turn the... rollers. Check for jams at the accumulator or the offset module. Turn off the printer, and then turn the...
  • HP LaserJet 9040/9050 | Service Manual - Page 212
    ... 13.12.14 Description Recommended action z z Media is present in the accumulator when the printer is turned on. Media is activating the exit sensor when the printer is.... The carriage motor does not detect movement; it should be finding the home position. 1 2 3 4 5 6 196 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 213
    ... Media is jammed in the stapler unit. 1 2 3 4 5 Clear the jam. Turn off the printer, and then turn the... jam in the indicated area. Close the door so that the printer attempts to clear the paper path. If ... jam in the indicated area. Close the door so the printer attempts to clear the paper path. If ...
  • HP LaserJet 9040/9050 | Service Manual - Page 214
    ... the fuser. Note Media is detected in the paper path 3 when the printer is turned on, or media is detected after opening 4 ...-path test. See page 213. Perform a service test. See page 213. Verify that ... 13.21.00 FRONT DOOR For help press A door is open. 1 2 3 4 5 6 198 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 215
    .... Clear the jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform a service test. See page 213. If... Clear the jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform a service test....
  • HP LaserJet 9040/9050 | Service Manual - Page 216
    ...1 2 Clear the jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform a service test. See page 213. If ...jam has occurred, and the media did not clear PS1451 within the specified time. 1 2 3 4 5 200 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 217
    ...jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Make ... in the indicated area. Close the door so that the printer attempts to clear the paper path. Make ... in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform ...
  • HP LaserJet 9040/9050 | Service Manual - Page 218
    ... jam in the indicated area. Close the door so that the printer attempts to clear the paper path. Perform a...continue printing, press (some data will be lost). Turn off the printer, and then turn ... EIO card in slot X overflowed the I/O buffer during a busy state. 1 2 3 4 202 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 219
    ...log error message 22 Description Recommended action The printer embedded I/O buffer overflowed during a busy state...., and then turn the printer on again. See "Embedded LAN troubleshooting (HP LaserJet 9040n/9050n... LaserJet 9040dn/9050dn, HP LaserJet 9050mfp, and HP LaserJet 9040mfp only)" on page 247...
  • HP LaserJet 9040/9050 | Service Manual - Page 220
    ... interrupted. 1 2 3 4 5 6 7 To continue printing, press (some will be lost). Turn off the printer, and then turn the ..., and then turn the printer on again. See "Embedded LAN troubleshooting (HP LaserJet 9040n/9050n... LaserJet 9040dn/9050dn, HP LaserJet 9050mfp, and HP LaserJet 9040mfp only)" on page ...
  • HP LaserJet 9040/9050 | Service Manual - Page 221
    ... error message 41.X Description Recommended action A printer error occurred, and X 1 corresponds to the following .... Replace the upper cable guide assembly. Replace the DC controller. Turn off the printer, and ... Low fuser temperature 2 Fuser warm up service 3 High fuser temperature 4 Faulty fuser 5...
  • HP LaserJet 9040/9050 | Service Manual - Page 222
    ...engine test. See page 215. Perform a service test. See page 213. Replace ...press alternates with 56.X To continue cycle power A printer error occurred, and X 1 corresponds to the following issue: 1 Illegal input selection 2 Duplexer was removed while 2 power is on 3 4 206 Chapter 7 Troubleshooting...
  • HP LaserJet 9040/9050 | Service Manual - Page 223
    ... Recommended action To continue cycle power A printer error occurred, and X corresponds to the following ... DC controller. Replace the print cartridge. Perform a service test. See page 213. Replace ... assembly. 2 3 4 5 To continue cycle power 59.X PRINTER ERROR For help press alternates with 59.X...
  • HP LaserJet 9040/9050 | Service Manual - Page 224
    ...obstructions. Remove and reseat tray X. Perform a service test. See page 213. Switch ... slot 3 3 4 memory in DIMM slot 4 4 64 PRINTER ERROR For help press alternates with 64... occurred. A lifting operation is not completed in the correct amount of time. 1 2 3 4 5 6 7 208 Chapter 7 Troubleshooting...
  • HP LaserJet 9040/9050 | Service Manual - Page 225
    ... device controller PCA. Check the cables. Turn off the printer, and then turn ... DC motor, located in the accumulator, is damaged. 3 The printer cannot finish a power-on sequence. 4 5 66.... is damaged. 2 The accumulator-wheel sensor is damaged. The printer cannot finish a 3 power-on sequence. 4 5 66....
  • HP LaserJet 9040/9050 | Service Manual - Page 226
    ... message Description Recommended action The output device is not attached when the printer is turned on. 1 At power-on, make sure that the output device is attached ..., but unexpected responses might occur because an error occurred in permanent storage. 1 2 3 4 5 6 210 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 227
    ...error message 69.X Description Recommended action A printer error occurred where X is 1 detailed below. 0 The duplex ... the duplexer (make sure that the printer is turned off). Perform a service test. See page ... persists, replace the formatter. 3 4 5 79.XXXX PRINTER ERROR To continue cycle power 79...
  • HP LaserJet 9040/9050 | Service Manual - Page 228
    .... Turn off the printer, and then turn the printer on again. See "Embedded LAN troubleshooting (HP LaserJet 9040n/9050n, HP LaserJet 9040dn/9050dn, HP LaserJet 9050mfp, and HP LaserJet 9040mfp only)" on page 247 for more information. Turn off the printer, and then turn the ...
  • HP LaserJet 9040/9050 | Service Manual - Page 229
    User- and service-level diagnostics The following sections describe diagnostics for the printer. Paper-... that various paper paths are working correctly or to troubleshoot problems with tray configuration. To print a paper-... tray 2 and tray 3. 9 Table 22. Service test abnormality codes Code 0101 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 230
    Table 22. Service test abnormality codes (continued) Code 0104 0105 0106 0107 0108 0109... feed roller 1 home-position sensor Side registration guide home-position sensor OHT sensor Coil jam ... assembly Paper input unit Duplexer Duplexer Registration assembly Fuser assembly 214 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 231
    ... printers, or 09905004 for the HP LaserJet 9050 series printers. While in the service menu, you can perform... page count of the output device Table 23. Service menu Item Clear event log Explanation... count. Change or reset the maintenance interval. Reset the printer serial number. Cold reset paper Set...
  • HP LaserJet 9040/9050 | Service Manual - Page 232
    Diagnostics flowchart Use this flowchart to help identify the cause of high-level printer problems for the HP LaserJet 9000, HP LaserJet 9000mfp, HP LaserJet 9000Lmfp, HP LaserJet 9040/9050, and HP LaserJet 9040mfp/ 9050mfp. These problems are indicated by ...
  • HP LaserJet 9040/9050 | Service Manual - Page 233
    ... and hold PAUSE/RESUME (START on MFPs). Turn on the printer. Hold PAUSE/RESUME or START ... DISKS appears on the control-panel display. (the 6 button on MFPs). The printer boot sequence is complete when READY ...control-panel display. Other diagnostics for the HP LaserJet 9000, 9000mfp, and 9000Lmfp 217
  • HP LaserJet 9040/9050 | Service Manual - Page 234
    ... or SKIP DISK). Note Other functions are available in this menu, but are not applicable. 8 Press (the 6 button on MFPs). The printer boot sequence is complete when READY appears on the control-panel display. 218 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 235
    Other diagnostics for the HP LaserJet 9040/9050, 9040mfp, and 9050mfp Cold reset ..., but are not applicable. 7 Press (the 6 button on MFPs). The printer boot sequence is complete when READY... appears on the control-panel display. (the 6 button on MFPs). The printer boot sequence is complete when READY...
  • HP LaserJet 9040/9050 | Service Manual - Page 236
    ...but they are not applicable. 9 Press (the 6 button on MFPs). The printer boot sequence is complete when READY ... the drum enough to move the mark. Open the printer, and inspect the gear that was marked in step... they are damaged, replace the high-voltage power-supply PCA. 220 Chapter 7 Troubleshooting...
  • HP LaserJet 9040/9050 | Service Manual - Page 237
    Tray 4 diagnostics Tray 4 can run standalone diagnostics to test the device motors, functionality, and sensors. You need one power cord, one #2 Phillips screwdriver, and a small flatblade screwdriver for the DIP switches. Diagnostics label The following label is on the inside of the tray 4 back ...
  • HP LaserJet 9040/9050 | Service Manual - Page 238
    ... PCA on tray 4. Note If tray 4 is mounted underneath the printer, jams might occur because ... outward. To manually activate each sensor, press it in. • When you activate the sensor, the bottom service ... switches on the controller PCA to the off position (see table 24). 222 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 239
    ...-pattern interpretation If tray 4 is working correctly, it picks up media from the tray and feeds it to the printer, and the bottom service light flashes regularly every 0.5 seconds....) and are not bent. If neither if these is the problem, replace tray 4. If the media does not reach the ...
  • HP LaserJet 9040/9050 | Service Manual - Page 240
    ... or does not clear a photosensor along the printer paper path in a specific amount of time.... correct paper-handling correctly? procedures in the HP LaserJet Printer Family Print Media .... See "Internal cleaning" on page 62. When was the user maintenance From the configuration page, determine the number...
  • HP LaserJet 9040/9050 | Service Manual - Page 241
    ...the media does not meet the specifications listed in the HP LaserJet Printer Family Print Media Guide)... conditions. See the HP LaserJet 9000 Use Guide or the HP LaserJet 9040/9050 Use Guide... outside of the recommended specifications, problems might occur. See the HP LaserJet Printer Family Print Media...
  • HP LaserJet 9040/9050 | Service Manual - Page 242
    ... panel, print pages that give details about the printer and its current configuration. The following information ... page to view current printer settings, to help troubleshoot printer problems, or to verify installation... and options Memory Security Paper trays and options 226 Chapter 7 Troubleshooting...
  • HP LaserJet 9040/9050 | Service Manual - Page 243
    A 2 D E B 2 E 2 C 2 F G Figure 124. Note Sample configuration page If an HP Jetdirect EIO card is installed, an HP Jetdirect configuration page also prints out. Evaluate the information pages 227
  • HP LaserJet 9040/9050 | Service Manual - Page 244
    ...) • Input devices: Tray 4 • Output devices: Multifunction finisher, 3,000-sheet stapler/stacker,... in different configurations. Table 27. Printer devices troubleshooting Device Duplexer Action if .... Try using a different cable to connect the problem device directly to the paper handling controller...
  • HP LaserJet 9040/9050 | Service Manual - Page 245
    ... Use the Jetdirect page to view current network settings, to help troubleshoot printer problems, or to verify network statistics or protocol information. Jetdirect page elements A B C HP Jetdirect configuration Network statistics Protocol information ...
  • HP LaserJet 9040/9050 | Service Manual - Page 246
    ...view current printer supply status, to help troubleshoot printer problems, or to verify printer information. Supplies status page elements ...Supplies ordering information Cartridge information Other supplies information Printer information A 2 B 2 2 C D 2 Figure 126. Sample supplies status page...
  • HP LaserJet 9040/9050 | Service Manual - Page 247
    ...Print a usage page from the printer control panel (or gain access to the information remotely from HP Web ... are scanned on the copy module and printed on the printer. Average toner coverage is approximated by counting ... are not counted. The data cannot be reset manually, and values such as total print...
  • HP LaserJet 9040/9050 | Service Manual - Page 248
    File directory page Use the file directory page to view current directory structures, to help troubleshoot printer problems, or to verify storage capabilities. File directory page elements A Directory information 2 A Figure 128. Sample file directory page 232 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 249
    ... with customers, obtain a print sample before troubleshooting the printer. Ask the customer to describe the quality... 244 for help with persistent image-formation problems. Table 28. Image-quality checks... 5), and troubleshoot the failure as a transfer or fusing problem. Does the media meet HP standards...
  • HP LaserJet 9040/9050 | Service Manual - Page 250
    ... cartridge for toner leaking through worn seals (manual rotation of the drum can cause internal ... Advise the customer to turn EconoMode on or off, either from the printer driver or a software program. Skew Use ...mm (envelopes) Left margin plus or minus 2.5 mm (cut sheet) 234 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 251
    Image-defect tables The printer output quality is subject to customer judgment. This section helps define print-quality defects and the factors ... lines Vertical dots Vertical white lines Repeating image Misformed character Figure 129. Image defect examples Image-formation troubleshooting 235
  • HP LaserJet 9040/9050 | Service Manual - Page 252
    .... If the media does not meet HP specifications, replace the media. Replace the transfer ... spots z The media does not meet printer specifications or is stored incorrectly. z z z z The transfer charging.... Also see "Dropouts" on The print cartridge is defective. page 238. 236 Chapter 7 Troubleshooting...
  • HP LaserJet 9040/9050 | Service Manual - Page 253
    ... does not meet HP specifications, replace the media. Make sure that the printer operating environment meets ... mode setting or select another media type from the printer driver. The media does not meet ... page 238. The wrong fuser setting is used for the media type. Image-formation troubleshooting 237
  • HP LaserJet 9040/9050 | Service Manual - Page 254
    ... media does not meet HP specifications, replace the media. When the printer reaches 350,000 pages ... setting or select another media type from the printer driver. When the printer reaches 350,000 pages ... incorrect. Also see "Blank spots" on page 236. Maintenance is due. z 238 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 255
    Table 29. Image defects (continued) Problem Bubbles Cause A drum ground path ...does not meet HP specifications, replace the media. Make sure that the printer operating environment ... The paper path is contaminated or damaged. z z z z Horizontal white lines z z z Image-formation troubleshooting 239...
  • HP LaserJet 9040/9050 | Service Manual - Page 256
    ... 180°. If the media does not meet HP specifications, replace the media. Make sure ... setting or select another media type from the printer driver. Maintenance might be due. Check ... levers are set incorrectly. Repeating defects A roller is contaminated or defective. z z 240 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 257
    ... does not meet HP specifications, replace the media. Make sure that the media is loaded correctly and that the guides fit correctly against ... the fuser mode setting or select another media type from the printer driver. Print a few more pages to see if the problem corrects itself. Clean the inside of ...
  • HP LaserJet 9040/9050 | Service Manual - Page 258
    ...if the problem corrects itself. Make sure that the media type and quality meet HP ... the preventive maintenance kit. Make sure that the printer operating environment meets specifications. Print ... operating environment does not meet specifications. Maintenance is due. z z 242 Chapter 7 Troubleshooting...
  • HP LaserJet 9040/9050 | Service Manual - Page 259
    Repeating defect ruler Repetitive print defects are usually caused by a specific roller in the printer or the print cartridge. Use the following figure to isolate the cause of...pattern of the ruler, replace the indicated roller. Figure 130. Repeating defect ruler Image-formation troubleshooting 243
  • HP LaserJet 9040/9050 | Service Manual - Page 260
    ... are sometimes difficult to detect. Follow a standard troubleshooting procedure to help isolate media-related ..., and creates pickup and stacking problems. When the second pass is made, media might ... shrinkage resulting from a second pass through the printer can cause image misalignment on the duplexed...
  • HP LaserJet 9040/9050 | Service Manual - Page 261
    ... forms, or perforated media that does not meet HP specifications. See "Media specifications" in chapter 2. ... of media or mix types of media in the tray. The printer or media storage environment might be too ... a media type When jams and other problems occur frequently, it is often because the customer ...
  • HP LaserJet 9040/9050 | Service Manual - Page 262
    ... to the network administrator for assistance in troubleshooting network problems. Test message After the printer is installed, verify communications between the... Jetdirect configuration page also prints. See the HP Jetdirect Network Interface Configuration Guide for detailed explanations of network ...
  • HP LaserJet 9040/9050 | Service Manual - Page 263
    ...9050n, HP LaserJet 9040dn/9050dn, HP LaserJet 9050mfp, and HP LaserJet 9040mfp only) Although networking is ... the embedded LAN is part of the printer firmware, the LAN error codes are within the 49.X series. See "Numerical error messages" on page 188 for more information. If the printer cannot print ...
  • HP LaserJet 9040/9050 | Service Manual - Page 264
    ...check for network connectivity. A ping test is designed to troubleshoot TCP/IP network connectivity issues ...not dynamically updated in most cases. Note HP recommends printing a page with the ping-test ...Wait until the printer begins counting memory. Press and hold (the 6 button on MFPs). (the 6 button ...
  • HP LaserJet 9040/9050 | Service Manual - Page 265
    ...LAN. 7 Press ( 6 key on MFPs). The printer continues the boot sequence. Hard-failure troubleshooting for the embedded... of the unused network protocols and services. If the printer fails when the embedded LAN is enabled... of upgrading a Jetdirect device (FTP, HTTP, HP Download Manager, and Web Jetadmin...
  • HP LaserJet 9040/9050 | Service Manual - Page 266
    ... the Ping Results menu and selecting the individual keys, or by configuring the printer to print the results at the end of the test. Click the Diagnostics menu ... (just like two EIO cards in the same printer). Or, if necessary as a part of troubleshooting, the embedded Jetdirect can be disabled and an...
  • HP LaserJet 9040/9050 | Service Manual - Page 267
    Wiring diagrams Figure 131. Printer wiring diagram (HP LaserJet 9000 series printer) Wiring diagrams 251
  • HP LaserJet 9040/9050 | Service Manual - Page 268
    Figure 132. Printer wiring diagram (HP LaserJet 9040/9050 series printer) 252 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 269
    Figure 133. Tray 4 wiring diagram Wiring diagrams 253
  • HP LaserJet 9040/9050 | Service Manual - Page 270
    254 Chapter 7 Troubleshooting
  • HP LaserJet 9040/9050 | Service Manual - Page 271
    8 Parts and diagrams Chapter contents Introduction ...256 Ordering parts...256 Consumables, supplies, accessories, FRUs, and documentation ...257 Common hardware ...261 Illustrations and parts lists ...262 External covers and panels...262 Left door and diverter ...264 Right cover assembly ...265 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 272
    ... The figures in this chapter illustrate the major subassemblies in the printer and their component parts. A table ...make sure that the part number selected is for the correct printer model. Ordering parts All standard... and can be ordered from HP's Customer Services and Support Organization (CCSO). See...
  • HP LaserJet 9040/9050 | Service Manual - Page 273
    ...Staple cartridge (multifunction finisher) Service number Exchange number Description Printer Formatter assembly HP LaserJet 9040/ (Note: Do not replace the 9050...9050 HP LaserJet 9000 HP LaserJet 9040/ 9050 HP LaserJet 9040/ 9050 HP LaserJet 9040/ Firmware Compact Flash...
  • HP LaserJet 9040/9050 | Service Manual - Page 274
    ...formatter and the Compact Flash firmware at the same time) Registration assembly Printer HP LaserJet 9040mfp and HP LaserJet 9050mfp RG5-5663-000CN Accessories ... 3,000-sheet stapler/stacker Multifunction finisher 8-bin mailbox Duplexer HP LaserJet 9040/ 9050 series only HP LaserJet...
  • HP LaserJet 9040/9050 | Service Manual - Page 275
    ...-90963 Service manual bundle for the HP LaserJet 9040mfp and the HP LaserJet 9050mfp HP LaserJet 9040mfp, HP...Start Guide- Asia HP LaserJet 9000 Use Guide HP LaserJet 9040/9050 Use Guide ...Finisher Service Guide HP Multifunction Finisher Use Guide HP LaserJet 9000 Series Printer Software ...
  • HP LaserJet 9040/9050 | Service Manual - Page 276
    ..., accessories, FRUs, and documentation (continued) Product number Service number C8519-60104 Exchange number Description HP LaserJet 9000 Series Printer Software CD-ROM-Europe HP ... CD-ROM (English version) PM kit installation guide Printer C8519-60105 C8519-60106 C9152-90901 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 277
    ... 12 mm XD9-0136-000CN XD9-0134-000CN To hold plastic to metal (excluding the covers) E-ring To hold gears in place Table 32. Common torque values Material Plastic to metal Metal to metal PCBA Plastic to plastic HP recommended torque value 5.5 lb-in 10 lb-in 5.5 lb-in 5.5 lb-in Introduction 261
  • HP LaserJet 9040/9050 | Service Manual - Page 278
    ... The following illustrations and parts tables list the field replaceable units (FRUs) for this printer. Two tables at the end of this chapter list all of the parts shown in ... 9 18 23 20 21 19 17 7 3 20 3 6 10 4 5 Figure 134. Printer external covers and panels 262 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 279
    Table 33. Printer external covers and panels Ref 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...-action Cover, left upper Plate, lock, right side 9000 part number RB2-5659-000CN RB2-5660-000CN ...-5656-000CN RB2-5652-000CN RB2-5700-000CN RB2-6491-000CN RB2-5679-000CN 9040/9050 part Qty number (if different) 1 1...
  • HP LaserJet 9040/9050 | Service Manual - Page 280
    ... 2 3 4 Diverter assembly Damper assembly Screw, M4 by 10 Cover, left (left door) 9000 part number RG5-5646-050CN RG5-5647-050CN RG5-5648-000CN XA9-1189-000CN RB2-6007-000CN 9040/9050 part Qty number (if different) 1 1 2 1 264 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 281
    ... 1 Screw, M3 by 8 Tape, cover (restraining strap) Screw, M3 by 8, RS 9000 part number RG5-5737-000CN RG5-5740-000CN RG5-5763-000CN RG5-5764-000CN XA9-1200-000CN RB2-5653-000CN XA9-1276-000CN 9040/9050 part Qty number (if different) 1 1 1 1 1 Illustrations and parts lists 265
  • HP LaserJet 9040/9050 | Service Manual - Page 282
    Internal Internal components 9 13 12 14 13 13 3 3 13 14 13 7 20 19 14 11 18 1 13 5 4 6 4 14 10 2 8 14 15 17 16 16 17 13 16 16 15 Figure 137. Internal components (1 of 4) 266 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 283
    ... 17 18 19 20 Description Guide, pickup Guide, cartridge Hinge mount, damper Hinge... Foot, right side Foot, left side Guide rail, cartridge Screw, M3 by 6, RS ... PICK Collar Link, connect Spring, tension 9000 part number RB2-5522-000CN ...RB2-5528-000CN RS6-2285-000CN 9040/9050 part number (if different)...
  • HP LaserJet 9040/9050 | Service Manual - Page 284
    7 8 10 12 12 11 13 20 20 14 17 15 3 4 2 5 1 6 5 6 18 16 19 9 15 Figure 138. Internal components (2 of 4) 268 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 285
    ...cable Gear, 21T Fuser high-voltage cable Feed guide, transfer Screw, M3 by 6, RS Screw, M3 by ..., tension Arm, shutter Shutter, laser Spring, tension 9000 part number RB2-5517-000CN RB2-5515-...-000CN RS6-2299-000CN RB2-5639-000CN RB2-5640-000CN RS6-2296-000CN 9040/9050 part number Qty (if different) 1...
  • HP LaserJet 9040/9050 | Service Manual - Page 286
    5 8 9 4 2 3 12 11 1 1 10 2 4 13 2 2 14 2 6 2 7 2 Figure 139. Internal components (3 of 4) 270 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 287
    ... assembly End paper sensor assembly Upper cable guide assembly Fan, #5, cartridge fan Right rail .../OFF Left rail, upper Left rail, lower 9000 part number XA9-1275-000CN XA9-... RG5-5713-000CN RG5-5714-000CN 9040/9050 part number (if different) Qty 1 2 1 RG5-5729-000CN 1 2 1 1 1 1 1 1 Internal 271
  • HP LaserJet 9040/9050 | Service Manual - Page 288
    12 7 12 10 13 13 12 4 1 12 8 13 2 11 13 13 13 6 5 3 12 9 Figure 140. Internal components (4 of 4) 272 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 289
    Table 39. Internal components (4 of 4) Ref 1 1 2 3 4 5 6 7 8 9 10 11 12 13 Description 9000 part number 9040/9050 part Qty number (if different) RG5-7778-000CN RG5-7779-000CN 1 1 1 1 RH7-1623-000CN RG5-7786-000CN RG5-7783-000CN 1 1 1 1 1 1 1 1 Low voltage power supply assembly ...
  • HP LaserJet 9040/9050 | Service Manual - Page 290
    ... 40. Drum feed drive assembly Ref Description Drum feed drive assembly 1 2 Main motor (M2) Screw, M3 by 6 9000 part number RG5-5656-060CN RH7-5287-000CN XA9-1275-000CN Qty 9040/9050 part number (if different) 1 1 274 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 291
    ... Screw, M3 by 6, RS Lever, switch Motor, DC, 24V (M1) Microswitch (SW1) 9000 part number RG5-5659-000CN XA9-1275-000CN RB2-6077-000CN RG5-5288-000CN WC4-5171-000CN 9040/9050 part Qty number (if different) RG5-7789-000CN 1 1 RH7-1622-000CN 1 1 Internal 275
  • HP LaserJet 9040/9050 | Service Manual - Page 292
    ... Table 42. Cartridge lifter assembly Ref Description Cartridge lifter assembly 1 2 Spring, tension Screw, M3 by 6 9000 part number RG5-5741-020CN RS6-2298-020CN XA9-1275-000CN 9040/9050 part Qty number (if different) 1 1 276 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 293
    ...3) Ref Description 500-sheet trays 1 2 3 Custom/standard switch Spring, torsion Screw, W/W, M3 by 29.5 9000 part number RG5-5635-080CN RB2-5813-000CN RB2-5816-000CN XA9-0668-000CN 9040/9050 part number (if different) Qty 1 1 1 Internal 277
  • HP LaserJet 9040/9050 | Service Manual - Page 294
    ...Table 44. Paper input unit Ref Description Paper input unit 1 2 Screw, M3 by 6, RS Paper pickup PCA 9000 part number RG5-5681-030CN XA9-1275-000CN RG5-5678-000CN Qty 9040/9050 part number (if different) 1 1 278 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 295
    Registration assembly Figure 146. Registration assembly Table 45. Registration assembly Ref Description Registration assembly 9000 part number RG5-5663-000CN 9040/9050 part Qty number (if different) 1 Internal 279
  • HP LaserJet 9040/9050 | Service Manual - Page 296
    ... 46. Transfer roller assembly Ref Description Transfer roller assembly 1 2 3 Holder, transfer Roller, transfer Guide, transfer/pre-transfer 9000 part number RG5-5662-000CN RG5-5653-000CN RF5-3319-000CN RG5-5654-000CN 9040/9050 part Qty number (if different) 1 1 1 1 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 297
    Delivery assembly 3 9 1 6 4 8 7 10 2 5 Figure 148. Delivery assembly Internal 281
  • HP LaserJet 9040/9050 | Service Manual - Page 298
    ... delivery Fan, #6, face down tray Lever, sensor Spring, tension 9000 part number RG5-5643-030CN RG5-5645-000CN RG5-5649-...-000CN RH7-5296-000CN RH7-5297-000CN RH7-5302-000CN RB2-6036-000CN RB2-6042-000CN 9040/9050 part Qty number (if different) 1 1 1 1 1 1 1 1 1 1 1 282 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 299
    ... DC controller PCA Delivery PCA Print cartridge memory controller PCA Paper pickup (PIU) PCA 9000 part number RG5-5778-120CN RG5-5649-000CN RG5-6996-000CN RG5-5678-000CN 9040/9050 part Qty number (if different) RG5-7780-000CN 1 1 1 1 Internal 283
  • HP LaserJet 9040/9050 | Service Manual - Page 300
    Tray 4 Tray 4 main body 5 8 8 7 10 4 11 6 9 3 10 16 15 14 8 10 12 1 17 18 Figure 150. Tray 4 main body (1 of 2) 13 2 8 284 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 301
    ...PPCU) Paper input unit (PIU) Feed/separation rollers 9000 part number RB2-7648-040CN RB2-7649-000CN...-000CN XB6-7400-000CN RG5-6227-000CN RG5-6208-150CN RF5-3338-000CN 9040/9050 part Qty number (if different) 1 1 1 1 1 1 1 6 7 1 1 3 1 1 1 2 7 2 Tray 4 vertical registration assembly (VTU/ RG5-6225-...
  • HP LaserJet 9040/9050 | Service Manual - Page 302
    7 8 9 10 8 8 8 8 3 1 6 8 4 2 3 5 Figure 151. Tray 4 main body (2 of 2) 286 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 303
    ...see 10a, 10b, and 10c) Holder Cable assembly Grounding cable 9000 part number RB2-7678-020CN RB3-0304-040CN XA9-0912-...020CN RG5-6207-040CN XA9-0732-000CN RG5-6229-030CN XA9-0994-000CN RG5-6250-000CN 9040/9050 part Qty number (if different) 2 2 14 1 1 4 1 12 1 RB2-7662-000CN RG5-6240-000CN RG5-6249...
  • HP LaserJet 9040/9050 | Service Manual - Page 304
    ... 51. Tray 4 drive assembly Ref Description Tray 4 deck drive assembly 1 2 Motor Screw, M3 by 6 with washer 9000 part number RG5-6228-040CN RH7-1481-000CN XB2-6300-607CN 9040/9050 part Qty number (if different) 1 1 2 288 Chapter 8 Parts and diagrams
  • HP LaserJet 9040/9050 | Service Manual - Page 305
    ... location Ref 1 2 3 4 Description Paper size PCA Paper volume PCA Deck controller PCA LED PCA 9000 part number RG5-6238-000CN RG5-6237-000CN RG5-6235-120CN RG5-6239-000CN 9040/9050 part Qty number (if different) 1 1 1 1 Tray 4 289
  • HP LaserJet 9040/9050 | Service Manual - Page 306
    ...Tray 1 assembly Ref Description Tray 1 1 2 3 4 5 Tray assembly Service cover assembly Roller, pickup Roller, separation Cover hooks 9000 part number C8568-67902 RG5-5809-000CN RG5-5811-040CN RF5-3403-000CN RF5-3404-000CN RB2-6537-000CN 9040/9050 part Qty number (if different) ...
  • HP LaserJet 9040/9050 | Service Manual - Page 307
    ... Table 54. Alphabetical parts list Description Arm, front cover Arm, shutter Back cable holder assembly (HP LaserJet 9040/9050) Back cable holder assembly (HP LaserJet 9000) Back cover assembly Bushing Cable, flat Cap, left cover Cartridge back pressure assembly Cartridge ...
  • HP LaserJet 9040/9050 | Service Manual - Page 308
    ... LaserJet 9000) Fan, #6 Fan connecting cable (HP LaserJet 9040/9050) Fan connecting cable (HP LaserJet 9000) Feed PCA Feed PCA Flag, sensor ...assembly 220 V Fuser delivery drive assembly (HP LaserJet 9040/9050) Fuser delivery drive assembly (HP LaserJet 9000) Fuser high-voltage cable Fusing ...
  • HP LaserJet 9040/9050 | Service Manual - Page 309
    ... Low voltage power supply assembly 110 V (HP LaserJet 9040/9050) Low voltage power supply assembly 110 V (HP LaserJet 9000) Low voltage power supply assembly 220 V (HP LaserJet 9040/9050) Low voltage power supply assembly 220 V (HP LaserJet 9000) Main cable harness holder assembly Main ...
  • HP LaserJet 9040/9050 | Service Manual - Page 310
    Table 54. Alphabetical parts list (continued) Description Motor, DC, 24V (M1) (HP LaserJet 9000) Mount, back fusing Mount, damper Mount, front fusing Multi-purpose cable Multi-purpose grounding cable Paper input unit (PIU) (engine) Paper input unit (PIU) Paper path connection assembly (PPCU)...
  • HP LaserJet 9040/9050 | Service Manual - Page 311
    ... by 29.5 Screw, W/W, M4 by 6 Screw, W/W, M5 by 12 Service cover assembly Shutter, laser Spring, ... contact with memory (antenna) Torque, limiter Transfer guide assembly Transfer roller assembly Tray 1 ... registration assembly (VTU/VRA) Upper cable guide assembly Vertical transfer assembly Part number ...
  • HP LaserJet 9040/9050 | Service Manual - Page 312
    ... Foot, right side Rail, front fusing Rail, back fusing Mount, front fusing Mount, back fusing Guide, pickup Spring, leaf Guide, cartridge Link, connect Foot, left side Collar Hinge mount, damper Arm, shutter Shutter, laser Bushing Tape, cover (...
  • HP LaserJet 9040/9050 | Service Manual - Page 313
    ... Roller, feed retard Roller, feed retard Roller, PIC Cover, back Cover, left (tray 4) Motor, DC, 24V (M1) (HP LaserJet 9000) Tray, 500-sheet Delivery feed assembly Delivery cross member assembly Left door and diverter Diverter assembly Damper assembly ...
  • HP LaserJet 9040/9050 | Service Manual - Page 314
    ...drive assembly Fuser delivery drive assembly (HP LaserJet 9000) Transfer roller assembly Registration assembly ...Cartridge back pressure assembly Right rail assembly Guide rail, cartridge Toner sensor contact with ... voltage power supply assembly 220 V (HP LaserJet 9040/9050) Right cover assembly Right ...
  • HP LaserJet 9040/9050 | Service Manual - Page 315
    ... high-voltage cable Connector assembly Tray 1 assembly Service cover assembly Laser/scanner assembly Switch ... guide assembly Fuser delivery drive assembly (HP LaserJet 9040/9050) Cable, flat Motor Motor,...) Fan, #1, power supply Fan, #2, controller (HP LaserJet 9000) Fan, #3, rear delivery Figure and ...
  • HP LaserJet 9040/9050 | Service Manual - Page 316
    Table 55. Numerical parts list (continued) Part number RH7-5297-000CN RH7-5302-000CN RG7-5306-000CN RS5-0708-000CN RS5-9099-000CN RS6-2285-000CN RS6-2296-000CN RS6-2298-020CN RS6-2299-000CN RS6-2302-000CN WC4-5171-000CN XA9-0668-000CN XA9-0732-000CN XA9-0912-000CN XA9-0994-000CN XA9-1189-000CN XA9-...
  • HP LaserJet 9040/9050 | Service Manual - Page 317
    ... left 108 printer 109 tray 4 153 back of page contamination, troubleshooting 238 ..., 12 models including 7 paper sizes supported 27 3,000-sheet stapler/stacker... 228 error messages 186 Install guide 259 locating 10, 12 models... 14 removing and replacing 99 service approach 14 asterisk (*), next to control...
  • HP LaserJet 9040/9050 | Service Manual - Page 318
    ..., 86 low 47 noise, troubleshooting 171 non-HP 68 ordering 14... 80 coated media 22 codes, service test errors 214 cold reset... submenu 48 part numbers 257 PCL menu 42 Print quality menu... 53 Retrieve job menu 38 Service menu 215 settings 33 System... DC controller PCB 77 tray 1 driver PCB 93 tray 4 96 creases...
  • HP LaserJet 9040/9050 | Service Manual - Page 319
    ..., removing 116 density settings 45 depth, printer space requirements 17 specifications 7 developing bias ... paper path 213 ping 248 print cartridges 234 service test 213 tray 4 221 troubleshooting,... motor (tray 4), removing 157 drivers, changing settings from 36 dropouts, troubleshooting 238 drum bias ...
  • HP LaserJet 9040/9050 | Service Manual - Page 320
    ...removing 142 feed rollers image defects, troubleshooting 238 included in printer maintenance kit 60 removing ...storage operations 81 included 2 lists, printing 38 PCL settings 43 foreign interface connector, ...part numbers 262 removing and replacing 99 service approach 14 FTP, remote firmware upgrades ...
  • HP LaserJet 9040/9050 | Service Manual - Page 321
    ... connector holder assembly, removing 147 contamination, troubleshooting 238 control circuit operations 80 ... 11 connector, removing 146 HP LaserJet 9000 Series Printer software CD-ROM 260... installed personalities and options 228 installing printer 16 Intellifont 2, 4 interfaces connections, locating 11...
  • HP LaserJet 9040/9050 | Service Manual - Page 322
    J jam detection lever driver solenoid (SL501) 92 jam removal knobs, removing 123 JAM ... 47 error messages 181 included 2, 4 laser shutter, troubleshooting 236 laser/scanner operations 83 removing 112 voltage 80 LaserJet 9000 Series Printer software CD-ROM 260 latent image formation 84 leading edge, ...
  • HP LaserJet 9040/9050 | Service Manual - Page 323
    ...panel settings 42 error messages 183 manuals, part numbers 259 map, control ...41 Resets 53 Retrieve job 38 Service 215 System setup 46 using ...44 Sleep 46 moisture environmental specifications, printer 8 storing media 22 storing print... speed settings 53 noise troubleshooting 171 non-HP cartridges 68, 184...
  • HP LaserJet 9040/9050 | Service Manual - Page 324
    ... environment acclimating to 170 print cartridges 67 printer, specifications 8, 16 operations bias generation circuits ... page, creating 65 settings 44 specifications 2, 4 troubleshooting 233 overhead transparencies sensor (PS1) ... numbers printer 283 tray 4 289 PCBA, screws for 261 PCI slots 81 PCL font...
  • HP LaserJet 9040/9050 | Service Manual - Page 325
    ... tests 248 PINs error messages 182 Service menu 215 PIU (paper input ... formation operations 84 pre-transfer upper guide bias generation 79 primary charging ...numbers 276 low 47 noise, troubleshooting 171 non-HP 68 ordering 14 ... 81 troubleshooting 246, 250 print servers, part numbers 258 printer drivers,...
  • HP LaserJet 9040/9050 | Service Manual - Page 326
    ... page, creating 65 settings 44 specifications 2, 4 troubleshooting 233 QuickCopy jobs control panel ...44 regulatory information 13 relative humidity specifications, printer 8 storing media 22 storing print ...4 rollers cleaning 61 image defects, troubleshooting 238 included in printer maintenance kit 60 ...
  • HP LaserJet 9040/9050 | Service Manual - Page 327
    ... smudges, horizontal 239 software HP LaserJet 9000 Series Printer CD-ROM 260 settings ... transmission settings 48 network settings 53 printer, specifications 2, 4 resolution settings 44 spilled toner,... part numbers 257 stapler/stacker communications, troubleshooting 228 error messages 186 Install guide...
  • HP LaserJet 9040/9050 | Service Manual - Page 328
    ...using 244 stripped screw holes 99 subassemblies, service approach 14 sub-heater (H2), operations...image formation operations 84 operations 85 transfer guide assembly, removing 131 transfer process, ...part numbers 280 image defects, troubleshooting 236, 240 included in printer maintenance kit 60 Transmit...
  • HP LaserJet 9040/9050 | Service Manual - Page 329
    ..., testing 221 noise, troubleshooting 171 paper sizes supported 26 paper-size ... covers and assemblies 151 removing from printer 154 right side cover, removing..., 219, 220 horizontal lines 239 HP Jetdirect print servers 246 image... USB communication operations 81 Use guide 259 V vacuuming spilled toner 61...
  • HP LaserJet 9040/9050 | Service Manual - Page 330
    ..., supported 26 print cartridges 68 printer 7 white lines, troubleshooting horizontal 239 vertical 242 ...A4 setting 42 wide-format printing 2 width, printer space requirements 17 specifications 7 Windows, ... wrapping jams, detection operations 87 wrinkles, troubleshooting envelopes 172 pages 237 writing ...
  • HP LaserJet 9040/9050 | Service Manual - Page 331
  • HP LaserJet 9040/9050 | Service Manual - Page 332
    © 2005 Hewlett-Packard Development Company, L.P. www.hp.com *Q3721-90963* *Q3721-90963* Q3721-90963



Type your new search above
We apologize, but we cannot currently deliver this PDF manual.
You can visit the HP LaserJet 9040/9050 on the HP site to download this or other manuals by visiting this link.

We apologize for any inconveniece.

The manual viewer requires the flash plugin to be installed and enabled.
To view this page ensure that Adobe Flash Player version 10 or greater is installed.

HP LaserJet 9040/9050 - Multifunction Printer Manual