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  • Page 2

    WARNING WARNING For HP Internal Use Only Warranty The Warning symbol calls ©Copyright Hewlett-Packard The information contained in The procedures described in attention to a procedure, Company 2006 this document is subject to this manual are to be practice, or the like, which, if performed by HP-qualified change without notice.

  • Page 4: Using This Manual, Part Numbers

    For information about using these printers, refer to the corresponding User and Quick Reference Guides. Readership The procedures described in this Service Manual are to be performed by HP Certified service personnel only. Part Numbers Part Numbers for Printer options, accessories and service parts are located in Chapter 7.

  • Page 5: Table Of Contents

    Table of Contents Table of Contents Test Prints System Error Codes System Maintenance Utility Utilities Calibrations Parts and Diagrams Removal and Installation Maintenance HP Designjet Entry-level Printers Service Manual...

  • Page 6

    Table of Contents HP Designjet Entry-level Printers Service Manual...

  • Page 7: Table Of Contents

    Test Prints Usage Report Page 1-2 Information Page 1-3 NVM Contents Page 1-5 HP Designjet Entry-level Printers Service Manual...

  • Page 8: Usage Report Page

    Number of pages printer (media size/media type/print quality setting). To print the Usage Report Page, hold the power button down and press the resume button once. Press Resume button once Hold Power Button Sample of the Usage Report Page HP Designjet Entry-level Printers Service Manual...

  • Page 9: Information Page

    To print the Information Page, hold the power button down and press the resume button 4 times. Press Resume button 4 times Hold Power Button Sample of the Information Page (page 1 of 3) HP Designjet Entry-level Printers Service Manual...

  • Page 10

    Test Prints Sample of the Information Page (page 2 of 3) Sample of the Information Page (page 3 of 3) HP Designjet Entry-level Printers Service Manual...

  • Page 11: Nvm Contents Page

    To print the NVM Contents Page, hold the power button down and press the cancel button once and the resume button twice. Press Resume button once Press Resume button twice Hold Power Button Sample of the NVM Contents Page (page 1 of 3) HP Designjet Entry-level Printers Service Manual...

  • Page 12

    Test Prints Sample of the NVM Contents Page (page 2 of 3) Sample of the NVM Contents Page (page 3 of 3) HP Designjet Entry-level Printers Service Manual...

  • Page 13: Table Of Contents

    System Error Codes System Error Codes System Error Codes 2-4 Warnings 2-11 Startup track mode 2-19 Emergency Firmware Upgrade 2-26 System Error Codes - Explanation 2-27 HP Designjet Entry-level Printers Service Manual...

  • Page 14

    1 unit 2 units flashing First 2 digits of Second 2 digits the error code of the error code Refer to Page 2-27 for an explanation on the construction of the Error Codes and Warnings. HP Designjet Entry-level Printers Service Manual...

  • Page 15: Errors And Warnings, System Errors

    System Errors Warnings You can also obtain report of the System Error and Warnings through the DesignJet System Maintenance Tool. HP Designjet Entry-level Printers Service Manual...

  • Page 16: System Error Codes

    Error Code has disappeared. If the error code continues, refer to the Jetdirect Card Service Manual and Service Notes. System Error: 08:11 Problem Front Panel cannot be detected. Description: Corrective Action: Reconnect the Front Panel. HP Designjet Entry-level Printers Service Manual...

  • Page 17

    If the Error Code continues, replace the Cleanout Assembly. Only replace one component at a time and check if the error has gone before replacing another component. Using this procedure you will be able to determine exactly which component failed. HP Designjet Entry-level Printers Service Manual...

  • Page 18

    - electrical sensors, internal mechanical problems, etc.). System Error: 42:10 Problem Carriage Motor failure (short-circuit). Description: Corrective Action: Replace the Carriage Motor Assembly ⇒ Page 7-29. HP Designjet Entry-level Printers Service Manual...

  • Page 19

    Unplug the power cable from the printer and wait a few seconds. Plug in the power cable again and check if the Error Code has disappeared. If the Error Code reappears, check for a new Firmware release. HP Designjet Entry-level Printers Service Manual...

  • Page 20

    If the Error Code reappears, check for a new Firmware release. If possible, request the user to provide the following information which can be found on the information page: – Firmware Release. – Filename. – Line. HP Designjet Entry-level Printers Service Manual...

  • Page 21

    The Carriage is bumping into the Service Station. If the Carriage is stuck at the right hand side of the Printer and cannot be moved out to the center of the Print Platen it is because the Service Station cannot uncap HP Designjet Entry-level Printers Service Manual...

  • Page 22

    Check that the Carriage moves freely and DOES NOT bump into the Service Station. If the Printheads are not installed, maybe the carriage cover is not closed completely. If the Error Code continues, replace the Carriage Assembly ⇒ Page 7-35. HP Designjet Entry-level Printers Service Manual 2-10...

  • Page 23

    Problem Cyan Color Calibration Failure - Cyan Color Calibration cancelled. Description: Corrective Action: Try the following: Clean the electrical contacts on the cyan printhead. If the error code continues, replace the cyan printhead. 2-11 HP Designjet Entry-level Printers Service Manual...

  • Page 24

    Clean the electrical contacts on the yellow printhead. If the error code continues, replace the yellow printhead. System Error: 274:00 (Not applicable to HP DesignJet 70, 100, 100+, 110+) Problem Light Cyan Color Calibration Failure - Light Cayan Color Calibration Description: cancelled.

  • Page 25

    (Parallel, USB and Network cables). Plug in the power cable again and check if the Error Code has disappeared. System Error: 66:02:1 (Only applicable to HP DesignJet 30, 30n, 90, 90r, 130, 130nr) Problem Horizontal clipping. May happen when the roll ends in the middle of printing Description: an image.

  • Page 26

    If this error code appeared but was NOT caused by a paper jam, replace the Paper-Axis Motor Drive Assembly ⇒ Page 7-75. System Error: 83:01:1 (Only applicable to HP DesignJet 30, 30n, 70, 100+, 110+, 90, 90r, 120, 120nr, 130, 130nr) Problem The paper is rejected from the Bypass due to skew.

  • Page 27

    Corrective Action: Using the System Maintenance Tool, perform Color Calibration for Glossy Paper and the selected print quality setting. System Error: 94:02:3 (Only applicable to HP DesignJet 30, 30n, 90, 90r, 120, 120nr, 130, 130nr) Problem User selected Photo Paper and Best mode, but the Color Calibration profile Description: was obsolete or missing for Photo Paper and the selected print quality setting.

  • Page 28

    Corrective Action: Using the System Maintenance Tool, perform Color Calibration for Photo Satin Paper and the selected print quality setting. System Error: 94:02:8 (Only applicable to HP DesignJet 30, 30n, 90, 90r, 120, 120nr, 130, 130nr) Problem User selected Coated Paper and Max dpi, but the Color Calibration profile...

  • Page 29

    System Error Codes Semi-Gloss Paper and the selected print quality setting. System Error: 941:02:4 (Only applicable to HP DesignJet 30, 30n, 90, 90r, 130, 130nr) Problem User selected Photo Matte Paper and Max dpi mode, but the Color Description: Calibration profile was obsolete or missing for Photo Matte Paper and the selected print quality setting.

  • Page 30

    Printhead of the color where the defects were noticeable. System Error: 95:04 Problem Firmware Error (during Printhead Alignment). Description: Corrective Action: Upgrade the printer to the latest firmware release. HP Designjet Entry-level Printers Service Manual 2-18...

  • Page 31: Startup Track Mode

    If the display reaches 191, you will need to turn On the printer from the power button. If all the subsystems pass the initialization, the printer will initialize normally and go to the ready status. 2-19 HP Designjet Entry-level Printers Service Manual...

  • Page 32

    Startup Track 035: Initializing SynergyReset Startup Track 036: Initializing FrontPanelReset Startup Track 037: Initializing PowerFan Startup Track 038: Initializing FrontPanelInterrupt Startup Track 039: Initializing CoverWindowSensor Startup Track 040: Initializing nUSB_ENABLE Startup Track 041: Initializing USB_CONNECT HP Designjet Entry-level Printers Service Manual 2-20...

  • Page 33

    Startup Track 079: Initializing BlockColor Startup Track 080: Initializing ContoneToRaster Startup Track 081: Initializing Enhancer Startup Track 082: Initializing RasterToMband Startup Track 083: Initializing MechProcA Startup Track 084: Initializing MemoryUncached Startup Track 085: Initializing Isard 2-21 HP Designjet Entry-level Printers Service Manual...

  • Page 34

    Startup Track 123: Initializing EndeavourA Startup Track 124: Initializing EndeavourAcumenA Startup Track 125: Initializing CLC_Channel0 Startup Track 126: Initializing CLC_Channel1 Startup Track 127: Initializing CLC_Channel2 Startup Track 128: Initializing EndeavourVRefConversor Startup Track 129: Initializing CLC_ChannelDACConversor HP Designjet Entry-level Printers Service Manual 2-22...

  • Page 35

    Startup Track 167: Initializing PrintheadControl Startup Track 168: Initializing BlackPrintheadAcumen Startup Track 169: Initializing CyanPrintheadAcumen Startup Track 170: Initializing MagentaPrintheadAcumen Startup Track 171: Initializing YellowPrintheadAcumen Startup Track 172: Initializing LightCyanPrintheadAcumen Startup Track 173: Initializing LightMagentaPrintheadAcumen 2-23 HP Designjet Entry-level Printers Service Manual...

  • Page 36: System Error Codes

    Startup Track 209: Initializing Magenta5V Startup Track 210: Initializing Cyan5V Startup Track 211: Initializing Black12V Startup Track 212: Initializing Yellow12V Startup Track 213: Initializing Magenta12V Startup Track 214: Initializing Cyan12V Startup Track 215: Initializing VPen_Current_Sense_A HP Designjet Entry-level Printers Service Manual 2-24...

  • Page 37

    Startup Track 229: Initializing VPen_Current_Sense_B Startup Track 230: Initializing VPen_OV_Latch_B Startup Track 231: Initializing VPen_OV_Clear_Latch_B Startup Track 232: Initializing VPen_UV_Latch_B Startup Track 233: Initializing VPen_UV_Clear_Latch_B Startup Track 234: Initializing VPen_OV_Present_B Startup Track 235: Initializing VPen_UV_Present_B 2-25 HP Designjet Entry-level Printers Service Manual...

  • Page 38: Emergency Firmware Upgrade

    4 Connect the printer to the computer with a parallel cable. 5 Send the firmware file through the parallel port from the DOS command prompt. Type: copy /b firmware_file lpt1: and then press ENTER. 101010101 101010101 101010101 101010101 10101010101010101010101 HP Designjet Entry-level Printers Service Manual 2-26...

  • Page 39

    Front Panel Trailing Cable Carriage Flex Circuit Interconnect Cable Service Station Ink Supply Station Pressure System (APS) Ink Delivery Tubes Spittoon Ink Cartridge (color n) Printhead (color n) Cutter Take-up Reel Sheet Feeder 2-27 HP Designjet Entry-level Printers Service Manual...

  • Page 40

    Motor Control Functions Firmware Upgrade Firmware Crash Media Advance Media Cut Single-Sheet Feeding Roll Feeding Media-Axis Encoder Reading Carriage Movement Scan-Axis Encoder Reading Printhead Firing Servicing Ink Pumping Color Calibration Printhead Alignment Image Quality Troubleshooting HP Designjet Entry-level Printers Service Manual 2-28...

  • Page 41

    Send Plot Again Wrong Part Installed Replace Reseat/Reconnect/Clean/Adjust (manually) Calibrate/Adjust (using Automatic Process) HP qualified Power OFF personnel Upgrade System Firmware assistance required Upgrade Driver Add Accessory Escalate Send Plot Again Wrong Part Installed 2-29 HP Designjet Entry-level Printers Service Manual...

  • Page 42

    System Error Codes HP Designjet Entry-level Printers Service Manual 2-30...

  • Page 43: Table Of Contents

    Introduction 3-2 Launching the System Maintenance Utility (Designjet 120/120nr) 3-2 Launching the System Maintenance Utility (Designjet 30, 30n, 90, 90r, 130, 130nr) 3-3 System Maintenance Utility (HP Designjet 120/120nr) 3-4 Color Calibration 3-4 Get Printer Information 3-6 Align Printheads 3-7...

  • Page 44: Maintenance

    Designjet 30, 30n, 130, 130nr is found on Page 3. Launching the System Maintenance Utility (Designjet 120/120nr) The System Maintenance Utility is launched via the HP printer driver. Step 1 - Click on the "Advanced" tab Step 2 - Click on the "Maintenance" box When you finish using the System Maintenance Utility, you must click on exit on the left hand column before closing the browser.

  • Page 45: Launching The System Maintenance Utility (designjet 30, 30n, 90,

    3 Click Next (in Windows) or Configure (in Mac OS). From the Printer Driver (Windows, Mac OS X) In the Windows driver click the hp designjet system maintenance icon in the Services tab. In Mac OS X, select the Printer in the Print Center or Print Setup Utility and click configure.

  • Page 46: Warnings

    Perform color calibration if you print with the regular hp designjet 120 printer driver, which was included with the printer or which you downloaded from the Web.

  • Page 47

    System Maintenance Utility Calibrate Color as shown below: Step 1 - Select "calibrate color" Step 3 - Press "Calibrate Color" Step 2 - Select Paper Type and Print Quality Sample of the Color Calibration Print HP Designjet Entry-level Printers Service Manual...

  • Page 48: Test Prints

    Ink Consumable Identification. Ink Consumable Status. Ink Consumable Usage. Network Card Information. Refer to the Test Prints chapter for explanations on each section. Step 1 - Select "Get Printer Information" Sample of the information page HP Designjet Entry-level Printers Service Manual...

  • Page 49: Align Printheads

    Step 1 - Select "align printheads" Step 2 - Press "align printheads" Pattern for Bidirectional compensation and directionality on Scan-Axis To calibrate the sensors Pattern for directionality on Paper-Axis Test Result Pass Fail Sample of the Printhead Alignment Page HP Designjet Entry-level Printers Service Manual...

  • Page 50: Information Page

    Maximum Recovery Level can be seen on the Printer Information page in the "Printhead History" section. Maximum Recovery Level already performed Step 1 - Select "clean printheads" Step 3 - Press "clean printheads" Step 2 - Select the recovery level to be performed HP Designjet Entry-level Printers Service Manual...

  • Page 51: Update Firmware

    Update firmware updates the built-in software of the printer. The update process will check the printer's version with the latest version available from HP. Before trying this utility, first make sure that you have an internet connection. Do not power off the printer during this operation. The printer display will indicate busy until the operation is finished.

  • Page 52: Print Test Page

    A full troubleshooting process is available using the troubleshooting command under the Web Services option. Select "troubleshooting" for the analysis of the test pages Step 1 - Select "print test page" Step 2 - Click on "Image Quality" or "Skew" HP Designjet Entry-level Printers Service Manual 3-10...

  • Page 53: Calibrate Paper Feed

    Media Type Indication that tells you how to load the paper to scan the pattern Pattern printed several times Sample of the Optimize for different Accuracy Calibration Print areas of the print zone 3-11 HP Designjet Entry-level Printers Service Manual...

  • Page 54

    Once the Accuracy Calibration has been printed, rotate the page and reload it upside down (image facing down). Step 1 - Rotate the page and reload it upside down (image facing down) Step 2 - Press "scan test plot" HP Designjet Entry-level Printers Service Manual 3-12...

  • Page 55: Reset Jetdirect Card

    Reset Jetdirect Card Use this function to reset the HP Jetdirect card configuration to the factory defaults. This should only be used if the HP Jetdirect card is not responding and no other recovery method works. Any user configuration information, for example the IP address, will be lost.

  • Page 56: System Maintenance Utility (designjet 30, 30n, 90, 90r, 130, 130nr)

    The replica Front Panel does not show the real-time status. It is a snapshot which can be refreshed by pressing the refresh button either on the web browser toolbar or in the actual replica window. Click to refresh status of Front Panel HP Designjet Entry-level Printers Service Manual 3-14...

  • Page 57: Color Calibration

    Perform color calibration if you print with the regular hp designjet 120 printer driver, which was included with the printer or which you downloaded from the Web.

  • Page 58

    System Maintenance Utility Performing the Color Calibration (HP DesignJet 30, 30n,130, 130nr) Step 1 - Select "calibrate color" Double click on the "calibrate color" icon on the computer desktop Step 2 - Select Paper Type and Print Quality Step 3 - Press "Calibrate Color"...

  • Page 59

    System Maintenance Utility Performing the Color Calibration (HP DesignJet 90, 90r) Double click on the "calibrate color" icon Launch system maintenance on the computer desktop tool via the hp driver Step 1 - Select "calibrate color" Step 2 - Select Paper Type and Print Quality Step 3 - Press "Calibrate Color"...

  • Page 60

    System Maintenance Utility Sample of the Color Calibration Print: HP Designjet Entry-level Printers Service Manual 3-18...

  • Page 61

    Step 2 - Press "align printheads" Pattern for Bidirectional compensation and directionality on Scan-Axis To calibrate the sensors Pattern for directionality on Paper-Axis Test Result Pass Fail Sample of the Printhead Alignment Page 3-19 HP Designjet Entry-level Printers Service Manual...

  • Page 62: Clean Printheads

    "Printhead History" section. Maximum Recovery Level already performed Step 1 - Select "maintain printheads" and then "clean printheads" Step 3 - Press "clean printheads" Step 2 - Select the recovery level to be performed HP Designjet Entry-level Printers Service Manual 3-20...

  • Page 63: Check Image Quality

    A full troubleshooting process is available using the troubleshooting command under the Web Services option. Select "troubleshooting" for the analysis of the test pages Step 1 - Select "check image quality" Step 2 - Click on "Image Quality" or "Skew" 3-21 HP Designjet Entry-level Printers Service Manual...

  • Page 64

    Step 3 - Press "print test plot" Indication that tells you how to load the paper to scan the pattern Pattern printed several times Sample of the Optimize for different Accuracy Calibration Print areas of the print zone HP Designjet Entry-level Printers Service Manual 3-22...

  • Page 65

    Once the Accuracy Calibration has been printed, rotate the page and reload it upside down (image facing down). Step 1 - Rotate the page and reload it upside down (image facing down) Step 2 - Press "scan test plot" 3-23 HP Designjet Entry-level Printers Service Manual...

  • Page 66: Get Printer Information

    Ink Consumable Usage. Network Card Information. Refer to the Test Prints chapter for explanations on each section. Step 1 - Select "advanced functions" and then "get printer information" Sample of the information page HP Designjet Entry-level Printers Service Manual 3-24...

  • Page 67

    If you do not have Internet access, you can still send a new firmware file (which you have received on CD from HP) from your computer to the Printer. If newer printer software is not available, then this message will be displayed...

  • Page 68: Reset Jetdirect Network Card

    Reset Jetdirect Network Card Use this function to reset the HP Jetdirect Network card configuration to the factory defaults. This should only be used if the HP Jetdirect Network card is not responding and no other recovery method works. Any user configuration information, for example the IP address, will be lost.

  • Page 69: Utilities

    How to Access Restricted Access Utilities 4-2 Enable/Disable Buzzer 4-3 Transport Position 4-3 Printhead Recovery 4-4 Network Card Reset 4-6 Set to Factory Defaults 4-6 Hard EEPROM reset 4-7 Set Flag to Prime Tubes 4-8 HP Designjet Entry-level Printers Service Manual...

  • Page 70: How To Access Restricted Access Utilities

    4 Network Card Reset ⇒ Page 6. Use this utility to reset the HP Jetdirect card configuration to the factory defaults. This should only be used if the HP Jetdirect card is not responding and no other recovery method works.

  • Page 71: Enable/disable Buzzer, Transport Position

    Place the Printer in Transport Position as follows: 1 Hold the power button down and press the cancel button twice and the resume button three times. Press Cancel button twice Hold Power Button Press Resume button three times HP Designjet Entry-level Printers Service Manual...

  • Page 72: Printhead Recovery

    5 times. A less aggressive recovery can be performed as well, currently it is not in use: For Light Magenta Printhead degradation (light recovery) - the cancel button twice and the resume button 4 times. HP Designjet Entry-level Printers Service Manual...

  • Page 73

    Press Resume button: button twice zero times for level 1 (soft) once for level 2 (medium) twice for level 3 (hard) Hold Power Button 4 times for level 4 (light) 5 times for level 5 (standard) HP Designjet Entry-level Printers Service Manual...

  • Page 74: Network Card Reset, Set To Factory Defaults

    Network Card Reset Use this utility to reset the HP Jetdirect card configuration to the factory defaults. This should only be used if the HP Jetdirect card is not responding and no other recovery method works. Any user configuration information, for example the IP address, will be lost.

  • Page 75: Hard Eeprom Reset

    Reset the EEPROM as follows: 1 Hold the power button down and press the cancel button three times and the resume button four times. Press Cancel button three times Hold Power Button Press Resume button four times HP Designjet Entry-level Printers Service Manual...

  • Page 76: Set Flag To Prime Tubes

    Press Cancel button three times Hold Power Button Press Resume button three times 2 Switch Off the printer and then On again in order to start the priming of the Ink Supply Tubes. HP Designjet Entry-level Printers Service Manual...

  • Page 77: Calibrations

    Calibrations PRS Adjustment 5-2 When Required 5-2 Factory Accuracy Calibration 5-13 HP Designjet Entry-level Printers Service Manual...

  • Page 78

    The Carriage Assembly is replaced (it is not necessary to perform the PRS Adjustment if the carriage is reseated). Carriage Assembly Pivot Assembly Feed Roller Assembly Note: B-size printers do not need Prs Adjustment HP Designjet Entry-level Printers Service Manual...

  • Page 79

    Assembly has to be moved along the length of the printer. Make sure that the Carriage Assembly is only ever moved by pulling the belt and never by direct contact with the Carriage itself. Correct: move using the belt. Incorrect: never move using Carriage Assembly. HP Designjet Entry-level Printers Service Manual...

  • Page 80

    Carriage Assembly. 3 Close the Carriage Cover and switch OFF the Printer. Make sure that you turn OFF the Printer, otherwise you will NOT be able to manually move the Carriage Assembly. HP Designjet Entry-level Printers Service Manual...

  • Page 81

    4 Move the Carriage Assembly to the left hand side of the Printer (to the position shown). 5 Using the belt, move the Carriage Assembly backwards and forwards over the Pivot Assembly (but staying on the left hand side of the printer), carefully listening for a scraping sound. HP Designjet Entry-level Printers Service Manual...

  • Page 82

    Lower the Pivot Assembly slightly by turning the T-8 screw 1/8th of a turn clockwise and then check for a scraping sound again as shown previously in step 5. Cross-Section - Lowering the Pivot Assembly HP Designjet Entry-level Printers Service Manual...

  • Page 83

    Raise the Pivot Assembly slightly by turning the T-8 screw1/8th of a turn anti-clockwise and then check for a scraping sound again as shown previously in step 5. Cross-Section - Raising the Pivot Assembly HP Designjet Entry-level Printers Service Manual...

  • Page 84

    9 Move the Carriage Assembly to the right hand side of the Printer (to the position shown). 10 Using the belt, move the Carriage Assembly backwards and forwards over the Pivot Assembly (but staying on the right hand side of the printer), carefully listening for a scraping sound. HP Designjet Entry-level Printers Service Manual...

  • Page 85

    Lower the Pivot Assembly slightly by turning the T-8 screw 1/8th of a turn clockwise and then check for a scraping sound again as shown previously in step 10. Cross-Section - Lowering the Pivot Assembly HP Designjet Entry-level Printers Service Manual...

  • Page 86

    Raise the Pivot Assembly slightly by turning the T-8 screw1/8th of a turn anti-clockwise and then check for a scraping sound again as shown previously in step 10. Cross-Section - Raising the Pivot Assembly HP Designjet Entry-level Printers Service Manual 5-10...

  • Page 87

    14 Move the Carriage Assembly along the length of the Printer, listening carefully for the scraping sound. 15 If you don’t hear the scraping sound, then the PRS Adjustment is correct, go to step 17. 5-11 HP Designjet Entry-level Printers Service Manual...

  • Page 88

    Assembly slightly by turning the T-8 screw 1/8th of a turn clockwise on both the left and right hand side of the Pivot Assembly. Check for a scraping sound again as shown previously in step 14. 17 Remove the Carriage Height Tool HP Designjet Entry-level Printers Service Manual 5-12...

  • Page 89

    B.05.XX to be able to perform this calibration Perform the Accuracy Calibration as follows: 1 Load an A3/B-size sheet of HP Proofing Gloss in to the input tray. 2 To manually print the Factory Accuracy Calibration, hold the power button down and press the cancel button once and the resume button once.

  • Page 90

    Pattern printed several times Optimize for different areas of the print zone Important Caution Factory Advance Calibration will affect forever the banding performance of the printer on ALL media types Sample of the Accuracy Calibration Print HP Designjet Entry-level Printers Service Manual 5-14...

  • Page 91

    Print Platen SV Pick Roller SV Feed Roller Inner Paper G SV Carriage Belt SV Lower Paper Guide Bits SV Bypass Platen Bypass Actuator Carriage SV Tubes SV Pivot SV Electronics Module Disk Encoder 5-15 HP Designjet Entry-level Printers Service Manual...

  • Page 92

    Calibrations HP Designjet Entry-level Printers Service Manual 5-16...

  • Page 93: Parts And Diagrams

    Rear Paper Path Assemblies 6-23 Paper Feed Assemblies 6-25 Cable Harnesses 6-27 Ink Supplies & Accessories (1of 4) 6-29 Ink Supplies & Accessories (3 of 4) 6-33 Ink Supplies & Accessories (4 of 4) 6-35 Rollfeed Components 6-37 HP Designjet Entry-level Printers Service Manual...

  • Page 94

    Ink Cartridge Door 20ps C7790-60452 Ink Cartridge Door 30 Ink Cartridge Door 30n C7790-60453 Ink Cartridge Door 50ps C7790-60294 Printhead Door Assembly (includes Ink C7790-60106 Cartridge Door Hinge and Printhead Door Label) (Applicable to 10ps,20ps,50ps) HP Designjet Entry-level Printers Service Manual...

  • Page 95

    Printhead Door Assembly (includes Ink C7790-60457 Cartridge Door Hinge and Printhead Door Label) (Applicable to 30 & 30n) Access Door Assembly (Applicable to C7790-60086 10ps,20ps,50ps) Access Door Assembly (Applicable to 30 & C7790-60443 30n) HP Designjet Entry-level Printers Service Manual...

  • Page 96

    Parts and Diagrams Figure 1: Cover Assemblies HP Designjet Entry-level Printers Service Manual...

  • Page 97

    Q6656-60064 Q6656-60079 Ink Cartridge Door (Applicable to 90r) C7791-60294 Ink Cartridge Door (Applicable to130) C7791-60295 Ink Cartridge Door (Applicable to130nr) Ink Cartridge Door (Applicable to 100) C7796-60015 C7796-60094 Ink Cartridge Door (Applicable to 100+) HP Designjet Entry-level Printers Service Manual...

  • Page 98

    Access Door Assembly (Applicable to 100, C7796-60020 100+, 110, 110+, 110+nr) Q6655-60094 Access Door Assembly (Applicable to 70) Access Door Assembly (Applicable to 90, Q6656-60065 90r) Rear Trim Kit (Applicable to 100, 110+, C7791-60216 110, 110+, 120, 130) HP Designjet Entry-level Printers Service Manual...

  • Page 99

    Parts and Diagrams Figure 2: Cover Assemblies HP Designjet Entry-level Printers Service Manual...

  • Page 100: Printer Labels

    Serial Number Label 90r Q6656-60080 Serial Number Label 100 C7796-60027 C7796-60098 Serial Number Label 100+ Serial Number Label 110 C7796-60033 Serial Number Label 110+ C7796-60099 C7791-60334 Serial Number Label 110+nr C7791-60148 Serial Number Label 120 HP Designjet Entry-level Printers Service Manual...

  • Page 101

    130, 130nr) Front Panel Label (Applicable to 100, C7796-60042 110+, 110, 110+, 110+nr) Front Panel Label (Applicable to 120, C7791-60255 120nr) Load Rollfeed Label (Applicable to 90r, C7791-60228 130nr, 110, 110+, 110+nr, 120nr, 130nr) HP Designjet Entry-level Printers Service Manual...

  • Page 102

    Parts and Diagrams Figure 3: Printer Labels HP Designjet Entry-level Printers Service Manual 6-10...

  • Page 103: Right Hand Assemblies

    130 and 130nr) Electronics Module Assembly (Applicable to C7796-60204 100, 110) Electronics Module Assembly (Applicable to C7796-60149 100+, 110+, 110+nr) Electronics Module Assembly (Applicable to C7791-60132 120, 120nr) 0515-2599 Screw Q1293-60053 Power Supply Unit 6-11 HP Designjet Entry-level Printers Service Manual...

  • Page 104

    100, 100+, 110, 110+, 110+nr) Duplexer Interconnect PCA (Applicable to C8108-67031 10ps, 20ps, 50ps, 30, 30n) Duplexer Interconnect PCA (Applicable to Q1292-60208 70, 90, 90r, 100, 110, 120, 120nr, 130 and 130nr) 0515-2812 Screw HP Designjet Entry-level Printers Service Manual 6-12...

  • Page 105

    Parts and Diagrams Figure 4: Right Hand Assemblies 6-13 HP Designjet Entry-level Printers Service Manual...

  • Page 106: Left Hand Assemblies

    Q1293-60068 Output Mechanism Support Assembly 0515-2812 Screw C8108-67051 Encoder Disc 2nd Bin PCBA (Interconnect PCA) C7790-60200 (Applicable to 10ps, 20ps and 50ps) 0515-2812 Screw Q1292-60207 Carriage Motor Assembly 0515-2812 Screw C8108-67048 Output Belt HP Designjet Entry-level Printers Service Manual 6-14...

  • Page 107

    Parts and Diagrams Figure 5: Left Hand Assemblies 6-15 HP Designjet Entry-level Printers Service Manual...

  • Page 108: Scan-axis Assemblies

    Carriage Belt (Applicable to 100, 100+, C7791-60233 110, 110+, 110+nr, 120, 120nr, 130 and 130nr) Q6655-60064 Carriage Belt (Applicable to 70, 90, 90r Encoder Strip (Applicable to 10ps, 20ps, C7790-60099 30, 30n, 50ps) HP Designjet Entry-level Printers Service Manual 6-16...

  • Page 109

    Left Encoder Strip Holder Turnaround Assembly (Applicable to 10ps, C7790-60216 20ps, 30, 30n, 50ps) Turnaround Assembly (Applicable to (Applicable to 70, 90, 90r, 100, 100+, C7791-60212 110, 110+, 110+nr, 120, 120nr, 130 and 130nr) 6-17 HP Designjet Entry-level Printers Service Manual...

  • Page 110

    Parts and Diagrams Figure 6: Scan-Axis Assemblies HP Designjet Entry-level Printers Service Manual 6-18...

  • Page 111: Top Paper Path Assemblies (1 Of), Top Paper Path Assemblies (1 Of)

    0515-2812 Screw C8108-67041 Print Platen (Includes Output Separator) C8108-67039 Pick Roller Assembly C8108-67029 Kicker Assembly Miscellaneous Plastic Parts (includes Plift C8108-67030 Block, Pin Caber, Pick Cam, FDRLR Idler Gear) Q1292-60209 OPPS Sensor Kit 6-19 HP Designjet Entry-level Printers Service Manual...

  • Page 112

    Parts and Diagrams Figure 7: Top Paper Path Assemblies HP Designjet Entry-level Printers Service Manual 6-20...

  • Page 113: Top Paper Path Assemblies

    100+, 110+, 110+nr, 120, 120nr,130 and 130nr) Bypass Platen Actuator & Spring (Applicable Q6655-60088 to 70, 90, 90r) Miscellaneous Plastic Parts (includes Plift C8108-67030 Block, Pin Caber, Pick Cam, FDRLR Idler Gear) 6-21 HP Designjet Entry-level Printers Service Manual...

  • Page 114

    Parts and Diagrams Figure 8: Top Paper Path Assemblies HP Designjet Entry-level Printers Service Manual 6-22...

  • Page 115: Rear Paper Path Assemblies

    C7791-60202 100+, 110, 110+, 110+nr, 120, 120nr, 130 and 130nr) Q1292-60210 Pick Roller Assembly Pick Roller Assembly (Applicable only to 70, Q6655-60123 90, 90n) C7791-60230 Upper Roller Kit C7791-60235 Lower Paper Guide Bits 6-23 HP Designjet Entry-level Printers Service Manual...

  • Page 116

    Parts and Diagrams Figure 9: Rear Paper Path Assemblies HP Designjet Entry-level Printers Service Manual 6-24...

  • Page 117: Paper Feed Assemblies

    100, 100+, 110, 110+, 110+nr, 120, 120nr, 130 and 130nr) Cleanout Assembly (Rear-Feed) (Applicable Q6655-60125 to 70, 90, 90r) Input tray Cover (Applicable to 70, 90, 90r, C7791-60297 100+, 110+, 110+nr, 130 and 130nr) 6-25 HP Designjet Entry-level Printers Service Manual...

  • Page 118

    Parts and Diagrams Figure 10: Paper Feed Assemblies HP Designjet Entry-level Printers Service Manual 6-26...

  • Page 119: Cable Harnesses

    120nr, 130 and 130nr) Duplexer OOP Sensor Harness (Applicable C7790-60122 to 10ps, 20ps and 50ps) C7790-60421 Front Panel Harness Duplexer OOPS Harness (Applicable to 70, C7791-60231 90, 90r, 100, 100+, 110, 110+, 120 ,120nr,130 and 130nr) 6-27 HP Designjet Entry-level Printers Service Manual...

  • Page 120

    Parts and Diagrams Figure 11: Cable Harnesses HP Designjet Entry-level Printers Service Manual 6-28...

  • Page 121: Ink Supplies & Accessories (1of), Ink Supplies & Accessories (1of), Ink Supplies & Accessories (1of)

    Light Magenta Printhead C5016-80014 Black Ink Cartridge C4911-61002 Cyan Ink Cartridge C4912-61003 Magenta Ink Cartridge C4913-61003 Yellow Ink Cartridge C5017-80016 Light Cyan Ink Cartridge C5018-80014 Light Magenta Ink Cartridge C7790-60217 Electronics End Cap 6-29 HP Designjet Entry-level Printers Service Manual...

  • Page 122

    Parts and Diagrams Figure 12: Ink Supplies and Accessories (Applicable to 10ps, 20ps and 50ps) HP Designjet Entry-level Printers Service Manual 6-30...

  • Page 123

    C4810-60067 Cyan Printhead C4812-60005 Magenta Printhead C4813-60004 Yellow Printhead C4844-60053 Black Ink Cartridge C4911-61002 Cyan Ink Cartridge C4912-61003 Magenta Ink Cartridge C4913-61003 Yellow Ink Cartridge C7790-60217 Electronics End Cap C7790-60425 USB Cable (5m) 6-31 HP Designjet Entry-level Printers Service Manual...

  • Page 124

    Parts and Diagrams Figure 13: Ink Supplies and Accessories HP Designjet Entry-level Printers Service Manual 6-32...

  • Page 125: Ink Supplies & Accessories (3 Of), Ink Supplies & Accessories (3 Of)

    Black Ink Cartridge C4911-61002 Cyan Ink Cartridge C4912-61003 Magenta Ink Cartridge C4913-61003 Yellow Ink Cartridge C5017-80016 Light Cyan Ink Cartridge C5018-80014 Light Magenta Ink Cartridge C7790-60217 Electronics End Cap C7790-60425 USB Cable (5m) 6-33 HP Designjet Entry-level Printers Service Manual...

  • Page 126

    Parts and Diagrams Figure 14: Ink Supplies & Accessories (Applicable to DesignJet 120/120nr) HP Designjet Entry-level Printers Service Manual 6-34...

  • Page 127: Ink Supplies & Accessories (4 Of), Ink Supplies & Accessories (4 Of)

    Black Ink Cartridge C9425-88001 Cyan Ink Cartridge C9426-88001 Magenta Ink Cartridge C9427-88001 Yellow Ink Cartridge C9428-88001 Light Cyan Ink Cartridge C9429-88001 Light Magenta Ink Cartridge C7790-60217 Electronics End Cap C7790-60425 USB Cable (5m) 6-35 HP Designjet Entry-level Printers Service Manual...

  • Page 128

    Parts and Diagrams Figure 15: Ink Supplies & Accessories HP Designjet Entry-level Printers Service Manual 6-36...

  • Page 129: Rollfeed Components

    HP Part Number Quantity Description/Comments Drawing Q1292-60238 Rollfeed Bracket Kit (ROHS) C7797-60064 Cutter C7797-60008 Spindle Q6655-60081 Spindle (Applicable only to 70, 90, 90r) Automatic Roll Replacement Kit (Only Q1247-60023 applicable to 110+nr, 120nr, 130nr) 6-37 HP Designjet Entry-level Printers Service Manual...

  • Page 130

    Parts and Diagrams Figure 16: Rollfeed Components HP Designjet Entry-level Printers Service Manual 6-38...

  • Page 131: Printer Stand And Basket

    Printer Stand and Basket Reference HP Part Number Quantity Description/Comments Drawing Q1246-60007 Legs Assembly Q1246-60008 X-Brace Assembly Q1246-60009 Foot Assembly Q1246-60010 Basket Kit Q1246-60011 Base Adaptor (Left and Right) Q1246-60012 Input Tray Support Q1246-60013 Hardware Kit 6-39 HP Designjet Entry-level Printers Service Manual...

  • Page 132

    Parts and Diagrams Figure 17: Printer Stand and Basket HP Designjet Entry-level Printers Service Manual 6-40...

  • Page 133: Removal And Installation

    Feed Roller Assembly (Applicability: 10ps, 20, 30, 30n, 50ps) 7-54 Feed Roller Assembly 7-56 Pick Assembly 7-62 Pinch Assembly (Applicability: 10ps, 20ps, 30, 30n, 50ps) 7-68 Inner Paper Guide (Applicability: 10ps, 20ps, 30, 30n, 50ps) 7-71 Inner Paper Guide 7-72 HP Designjet Entry-level Printers Service Manual...

  • Page 134

    Paper-Axis Motor Drive Assembly (Applicable only to 10ps, 20ps, 30, 30n, 50ps) 7-75 Paper-Axis Motor Assembly (Applicability: 90, 90r, 120, 120nr, 130, 130nr) 7-77 Bypass Platen (Applicability: 90, 90r, 120, 120nr, 130, 130nr) 7-78 Bypass Platen Actuator (Applicability: 90, 90r, 130, 130nr) 7-81 HP Designjet Entry-level Printers Service Manual...

  • Page 135: Safety Precautions

    Printer. 6. After removing any PCA from the Printer, place it on a conductive foam pad or into its conductive packaging to prevent ESD damage to any ICs on the PCA. HP Designjet Entry-level Printers Service Manual...

  • Page 136: Required Tools

    Removal and Installation Required Tools The following tools are required to disassemble and repair the Printer. Long Torx Screwdriver with the indicated attachments Nut driver with the indicated attachments Small flat-blade screwdriver HP Designjet Entry-level Printers Service Manual...

  • Page 137: Top Cover

    Removal and Installation Top Cover Removal Switch off the product and remove the power cable. 1. Open the Top Cover. 2. Release the clips that secure the Top Cover and remove from the Printer. HP Designjet Entry-level Printers Service Manual...

  • Page 138: Front Cover (applicability: 10ps, 20ps, 30, 30n, 50ps)

    Switch off the product and remove the power cable. 1. Open the Access Cover. 2. Release the clips (from the inside) that secure the Front Cover. 3. Remove the Front Cover from the Printer. HP Designjet Entry-level Printers Service Manual...

  • Page 139: Center Cover

    Raceway Holder. Remove the Raceway Holder from the Printer. 3. Release the Tubes from the retaining clips in the Center Cover. 4. Remove 4 T-10 screws that secure the Center Cover to the Printer. HP Designjet Entry-level Printers Service Manual...

  • Page 140

    5. Remove 2 T-10 screws that secure the Center Cover from the rear. Step 5 not applicable to 10ps,20ps, 30, 30n, 50ps 6. Open the Printhead Door. 7. Remove the Center Cover from the Printer. HP Designjet Entry-level Printers Service Manual...

  • Page 141: Right End Cover

    1. Remove the Center Cover ⇒ Page 7-7. 2. Open the Printhead Door. 3. Release the Door Sensor from the Right End Cover. 4. Remove 1 T-10 screw that secures the Right End Cover to the Printer. HP Designjet Entry-level Printers Service Manual...

  • Page 142

    Step 5 not applicable to 10ps,20ps, 30,30n,50ps 6. Release the clips that secure the Right End Cover to the Printer (use a flat-blade screwdriver if necessary). 7. Remove the Right End Cover from the Printer. HP Designjet Entry-level Printers Service Manual 7-10...

  • Page 143: Left End Cover

    Disconnect Following steps 3, 4 and 5 not applicable to 10ps,20ps, 30, 30n, 50ps 3. Remove 1 T-10 screw from the Rear Left Trim. 4. Remove the Rear Left Trim from the Printer. 7-11 HP Designjet Entry-level Printers Service Manual...

  • Page 144

    7. Remove the Left End Cover from the Printer. Before installing the Left End Cover, make sure you first check that the Front Panel Cable is routed 7-27 correctly as shown on Page HP Designjet Entry-level Printers Service Manual 7-12...

  • Page 145: Ink Supply Station Cover (applicability: 70, 100, 100plus, 110plus)

    3. Release the Ink Tubs from the clip on the ISS Cover. 4. Remove 2 screws that secure the ISS Cover to the Ink Supply Station. 5. Remove the ISS Cover from the Printer. 7-13 HP Designjet Entry-level Printers Service Manual...

  • Page 146: Ink Supply Station

    3. Remove the ISS Cover ⇒ Page 7-13. Following step not applicable to Designjet 10ps, 20ps, 30, 30n, 50ps 4. Release the Plastic Cover protecting the Electronics Module. 5. Disconnect the Ink Supply Station Cable from the Main PCA. HP Designjet Entry-level Printers Service Manual 7-14...

  • Page 147

    7. Cut the Plastic Tie that secures the Ink Supply Station Cable to the Power Supply Unit. 8. Release the Tubes Bracket from the Ink Supply Station by pushing the clips inwards and lifting up the Bracket. 7-15 HP Designjet Entry-level Printers Service Manual...

  • Page 148

    Removal and Installation 9. Remove 2 T-10 screws that secure the Ink Supply Station. HP Designjet Entry-level Printers Service Manual 7-16...

  • Page 149

    Removal and Installation 10. Move the Ink Supply Station to the left to release it from the securing clips. Securing Clips 11. Remove the Ink Supply Station from the Printer. 7-17 HP Designjet Entry-level Printers Service Manual...

  • Page 150: Electronics Module

    2. Remove the Right End Cover ⇒ Page 7-9. Following step not applicable to Designjet 10ps, 20ps, 30, 30n, 50ps 3. Release the Plastic Cover protecting the Electronics Module. 4. Disconnect ALL the cables from the Main PCA. HP Designjet Entry-level Printers Service Manual 7-18...

  • Page 151

    Power Supply Unit to the Printer. Following step not applicable to Designjet 10ps, 20ps, 30, 30n, 50ps 6. Remove the Plastic Cover from the Printer. 7. Remove 1 T-10 screw that secures the Electronics Module. 7-19 HP Designjet Entry-level Printers Service Manual...

  • Page 152

    Electronics Module. 9. Slide out the Electronics Module and the Power Supply Unit (as one assembly) to the right. 10. Slide the Power Supply Unit upwards to release it from the Electronics Module. HP Designjet Entry-level Printers Service Manual 7-20...

  • Page 153

    Removal and Installation 11. Remove the Electronics Module from the Printer. Check if the cable ties need to be cut before separating the Power Supply Unit and the Electronics Module. 7-21 HP Designjet Entry-level Printers Service Manual...

  • Page 154: Power Supply Unit

    3. Remove the Electronics Module ⇒ Page 7-18. Following two steps only applicable to Designjet 10ps, 20ps, 30, 30n, 50ps 4. Disconnect the Motor Harness Cable. Disconnect 5. Remove 1 T-10 screw (Type A) that secures the Grounding Strip. HP Designjet Entry-level Printers Service Manual 7-22...

  • Page 155

    Removal and Installation 6. Press in the clips on either side and release the Power Socket. 7. Remove the Power Supply from the Printer. 7-23 HP Designjet Entry-level Printers Service Manual...

  • Page 156: Service Station

    Following step is not applicable to Designjet 10ps, 20ps, 30, 30n, 50ps 5. Remove 2 screws that secure the Reinforcement Bracket. Remove the Reinforcement Bracket from the Printer. 6. Disconnect the Service Station Cable. HP Designjet Entry-level Printers Service Manual 7-24...

  • Page 157

    Removal and Installation 7. Uncap the Carriage Assembly by turning the Service Station Motor clockwise. 8. Move the Carriage Assembly out of the Service Station. 9. Release the Encoder Strip from the Encoder Strip Holder. 7-25 HP Designjet Entry-level Printers Service Manual...

  • Page 158

    11. Remove the Encoder Strip Holder from the Printer. 12. Slide the Service Station out of the Printer. If the Service Station is replaced, make sure that you check that the Pen to Rib Space (PRS) is within specifications. HP Designjet Entry-level Printers Service Manual 7-26...

  • Page 159: Front Panel

    4. Disconnect the cable from the Front Panel and remove from the Printer. Important: When installing the Front Panel, make sure you route The Cable MUST the cable as shown: go over the hook 7-27 HP Designjet Entry-level Printers Service Manual...

  • Page 160: Encoder Strip

    Printer. 5. Release the Encoder Strip from the right hand side of the Printer. 6. Gently slide out the Encoder Strip through the Carriage Assembly and remove from the Printer. HP Designjet Entry-level Printers Service Manual 7-28...

  • Page 161: Carriage Motor

    (right hand side of the printer) and at the same time releasing the Belt from the Motor on the left hand side of the printer. 6. Remove 2 T-10 screws that secure the Carriage Motor. 7-29 HP Designjet Entry-level Printers Service Manual...

  • Page 162

    Removal and Installation 7. Remove the Carriage Motor from the Printer (needs to be removed from underneath). HP Designjet Entry-level Printers Service Manual 7-30...

  • Page 163: Cleanout Assembly

    Cleanout Assembly Removal Switch off the product and remove the power cable. 1. To release the Cleanout Assembly, push in the 2 buttons on either side. 2. Remove the Cleanout Assembly from the Printer. 7-31 HP Designjet Entry-level Printers Service Manual...

  • Page 164: Ink Supply Tubes

    4. Remove 1 T-10 screw that secures the Trailing Cable Support to the Carriage Assembly. Release the Trailing Cable Support from the Carriage Assembly. 5. Remove 1 T-10 screw that secures the Tube Crane to the Carriage Assembly. HP Designjet Entry-level Printers Service Manual 7-32...

  • Page 165

    7. Lift up the Tube Crane (1) to release the PH Cover (2) from the Carriage Assembly and remove from the Printer. Release Tubes 8. Release the Ink Supply Tubes from the Raceway Holder. 7-33 HP Designjet Entry-level Printers Service Manual...

  • Page 166

    9. Release the Ink Supply Tubes and remove from the Printer. After installing NEW Ink Supply Tubes, make sure that you prime the tubes (Refer to "Set Flag to Prime Tubes" in the "Utilities" Section). HP Designjet Entry-level Printers Service Manual 7-34...

  • Page 167

    Belt from the Motor on the left hand side of the printer. The following step is only applicable to 120, 120nr 9. Remove 3 T-10 screws that secure the Trailing Cable Clip to the Chassis. 7-35 HP Designjet Entry-level Printers Service Manual...

  • Page 168

    To remove the belt ⇒ Page 7-41. If the Carriage is replaced by a new one, make sure that you perform the PRS Adjustment procedure. HP Designjet Entry-level Printers Service Manual 7-36...

  • Page 169

    7. Remove the Ink Supply Tubes ⇒ Page 7-32. Following step only applicable to 90, 90r, 130, 130nr 8. Remove 3 T-10 screws that secure the Trailing Cable Clip to the Chassis. 9. Release the Trailing Cable Clip from the Chassis. 7-37 HP Designjet Entry-level Printers Service Manual...

  • Page 170

    12. Release the Belt from the Carriage Motor by pushing in the Turnaround Assembly (right hand side of the printer) and at the same time releasing the Belt from the Motor on the left hand side of the printer. HP Designjet Entry-level Printers Service Manual 7-38...

  • Page 171

    Stopper on to the Turnaround Assembly. This step is very important since it will determine the space between the Stopper and the Turnaround Assembly. 2. Insert the first screw (left) and tighten it. 7-39 HP Designjet Entry-level Printers Service Manual...

  • Page 172

    Turnaround Assembly. After the installation of the Carriage Assembly and the Turnaround Stopper, you must first check that the Cutter cuts the media correctly (if the Printer has the Rollfeed and Cutter installed). HP Designjet Entry-level Printers Service Manual 7-40...

  • Page 173: Carriage Belt

    5. Remove the Service Station ⇒ Page 7-24. 6. Remove the Ink Supply Tubes ⇒ Page 7-32. 7. Remove the Carriage Assembly ⇒ Page 7-35. 8. Release the Belt from the bottom of the Carriage Assembly. 7-41 HP Designjet Entry-level Printers Service Manual...

  • Page 174: Starwheel Assembly (applicability: 10ps, 20ps, 30, 30n, 50ps)

    Starwheel Assembly to the right hand side of the printer. 3. Remove 1 T-10 screw (Type A) that secures the Starwheel Assembly to the left hand side of the printer. 4. Remove the Starwheel Assembly. HP Designjet Entry-level Printers Service Manual 7-42...

  • Page 175: Starwheel Assembly

    Starwheel Assembly to the right hand side of the printer. 5. Remove 2 T-10 screws that secure the Starwheel Assembly to the left hand side of the printer. 6. Remove the Starwheel Assembly. 7-43 HP Designjet Entry-level Printers Service Manual...

  • Page 176: Print Platen Assembly

    4. Remove the Starwheel Assembly ⇒ Page 7- 5. Release the Belt from the Print Platen Assembly. 6. Remove 1 T-10 screw that secures the Spring Idler. Remove the Spring Idler from the Printer. HP Designjet Entry-level Printers Service Manual 7-44...

  • Page 177

    7. Release the locking mechanism from the left hand side of the Printer. 8. Release the locking mechanism from the right hand side of the Printer. 9. Slide out the complete Print Platen Assembly. 7-45 HP Designjet Entry-level Printers Service Manual...

  • Page 178: Output Separator (applicability: 10ps, 20ps, 30, 30n, 50ps)

    Switch off the product and remove the power cable. 1. Remove the Front Cover ⇒ Page 7-7. 2. Remove the Center Cover ⇒ Page 7-7. 3. Remove the Output Tray. 4. Unclip the Output Separator and remove from the Printer. HP Designjet Entry-level Printers Service Manual 7-46...

  • Page 179: Ramp Motor Assembly

    3. Remove the Starwheel Assembly ⇒ Page 7- 4. Remove the Print Platen Assembly ⇒ Page 7-44. 5. Remove 2 T-10 screws that secure the Front Left Bracket. 6. Remove the Front Left Bracket from the Printer. 7-47 HP Designjet Entry-level Printers Service Manual...

  • Page 180

    Removal and Installation 7. Disconnect the Ramp Motor cable. Disconnect 8. Remove 1 T-10 screw from the Ramp Motor Assembly. 9. Remove the Ramp Motor Assembly from the Printer. HP Designjet Entry-level Printers Service Manual 7-48...

  • Page 181: Output Mechanism Assembly (applicability: 10ps, 20ps, 30, 30n, 50ps)

    5. Remove the Output Separator ⇒ Page 7-46. 6. Remove the Starwheel Assembly ⇒ Page 7- 7. Release the Belt from the Output Mechanism Assembly. 8. Release the locking mechanism from the left hand side of the Printer. 7-49 HP Designjet Entry-level Printers Service Manual...

  • Page 182

    Removal and Installation 9. Release the locking mechanism from the right hand side of the Printer. 10. Slide out the complete Output Mechanism Assembly. HP Designjet Entry-level Printers Service Manual 7-50...

  • Page 183: Spittoon (if Installed In The Printer), Spittoon (if Installed In The Printer)

    2. Remove the Left End Cover ⇒ Page 7-11. 3. Remove the Starwheel Assembly ⇒ Page 7- 4. Remove 1 T-10 screw that secures the Spittoon. 5. Remove the Spittoon from the Printer. 7-51 HP Designjet Entry-level Printers Service Manual...

  • Page 184: Pivot Assembly

    5. Remove 1 T-8 screw and washer that secure the Pivot Assembly on the left hand side of the Printer. 6. Remove 1 T-8 screw and washer that secure the Pivot Assembly on the right hand side of the Printer. HP Designjet Entry-level Printers Service Manual 7-52...

  • Page 185

    After removing or replacing the Pivot Assembly, make sure that you perform the PRS Adjustment procedure. Make sure you use NEW screws to install the Pivot Assembly when it has been removed or replaced. 7-53 HP Designjet Entry-level Printers Service Manual...

  • Page 186: Feed Roller Assembly (applicability: 10ps, 20, 30, 30n, 50ps)

    9. Remove the Paper-Axis Motor Drive Assembly ⇒ Page 7-56. 10. Release the locking mechanism from the left hand side of the Printer. 11. Release the locking mechanism from the right hand side of the Printer. HP Designjet Entry-level Printers Service Manual 7-54...

  • Page 187

    Feed Roller Assembly from the Printer. After removing or replacing the Feed Roller Assembly, make sure that you perform the PRS Adjustment procedure and the Accuracy Calibration. 7-55 HP Designjet Entry-level Printers Service Manual...

  • Page 188: Feed Roller Assembly

    8. Remove the Print Platen Assembly ⇒ Page 7-44. 9. Remove the Spittoon (if installed) ⇒ Page 7- 10. Remove the Pivot Assembly ⇒ Page 7-52. 11. Disconnect the Paper-Axis and Encoder cables. HP Designjet Entry-level Printers Service Manual 7-56...

  • Page 189

    12. Remove 1 T-10 screw that secures the Paper-Axis Motor Mount. 13. Remove 2 T-10 screws that secure the Pivot Assembly Support on the right hand side of the Printer. 14. Remove the Pivot Assembly Support from the Printer. 7-57 HP Designjet Entry-level Printers Service Manual...

  • Page 190

    16. Remove 1 T-10 screw and nut that secures the Feed-Roller Support on the left hand side of the Printer. 17. Remove 2 T-10 screws that secure the bracket on the left hand side of the Printer. HP Designjet Entry-level Printers Service Manual 7-58...

  • Page 191

    Removal and Installation 18. Remove the Bracket from the Printer. 19. Release the locking mechanism from the left hand side of the Printer. 20.Release the Spring from the Bracket. 7-59 HP Designjet Entry-level Printers Service Manual...

  • Page 192

    Feed Roller Assembly (including the Paper-Axis Motor) from the Printer. After removing or replacing the Feed Roller Assembly, make sure that you perform the PRS Adjustment procedure and the Accuracy Calibration. HP Designjet Entry-level Printers Service Manual 7-60...

  • Page 193

    Pick Assembly on the left hand side of the printer (looking from the rear) 4. Raise the locks so that they are aligned with the cutouts and lift out the Pick Assembly from the Printer. 7-61 HP Designjet Entry-level Printers Service Manual...

  • Page 194: Pick Assembly

    11. Remove 4 screws that secure the Hanger Assembly on the left hand side of the Printer. 12. Remove 1 screw that secures the Hanger Assembly on the left hand side of the Printer. HP Designjet Entry-level Printers Service Manual 7-62...

  • Page 195

    Removal and Installation 13. Disconnect the Paper-Axis, Encoder and Ramp Motor cables. 14. Remove 1 screw from the Rear Left Trim Bracket. 15. Remove the Rear Left Trim Bracket from the Printer. 7-63 HP Designjet Entry-level Printers Service Manual...

  • Page 196

    Assembly on the right hand side of the Printer. 17. Remove 2 screws that secure the Hanger Assembly on the right hand side of the Printer. 18. Remove 1 T-10 screw from the Rear Right Trim. HP Designjet Entry-level Printers Service Manual 7-64...

  • Page 197

    Removal and Installation 19. Remove the Rear Right Trim from the Printer. 20.Remove 1 screw from the Rear Right Trim Bracket. 21. Remove the Rear Right Trim Bracket from the Printer. 7-65 HP Designjet Entry-level Printers Service Manual...

  • Page 198

    Pick Assembly on the right hand side of the printer (looking from the rear). 24. Release the locking mechanism that secures the Pick Assembly on the left hand side of the printer (looking from the rear) HP Designjet Entry-level Printers Service Manual 7-66...

  • Page 199

    Removal and Installation 25. Raise the locks so that they are aligned with the cutouts and lift out the Pick Assembly from the Printer. 7-67 HP Designjet Entry-level Printers Service Manual...

  • Page 200: Pinch Assembly (applicability: 10ps, 20ps, 30, 30n, 50ps)

    3. Remove the Pick Assembly ⇒ Page 7-62. 4. Release the Out-of-Paper Sensor from the Pinch Assembly by pinching the tabs on either side. 5. Release ALL the Pinch Springs from the Pinch Assembly. HP Designjet Entry-level Printers Service Manual 7-68...

  • Page 201

    Pinch Assembly. 7. Working from the rear, pull out the Pinch Assembly from the Printer. After removing or replacing the Pinch Assembly, make sure that you perform the PRS Adjustment procedure. 7-69 HP Designjet Entry-level Printers Service Manual...

  • Page 202

    2. Remove the Pick Assembly ⇒ Page 7-61. 3. Release the tabs that secure the Lower Paper Guide (use a flat blade screwdriver to help you if necessary). 4. Remove the Lower Paper Guide from the Printer. HP Designjet Entry-level Printers Service Manual 7-70...

  • Page 203: Inner Paper Guide (applicability: 10ps, 20ps, 30, 30n, 50ps)

    2. Remove the Pick Assembly ⇒ Page 7-61. 3. Release the locating pins on the left hand side (looking from the rear) by pushing the Inner Paper Guide to the right and then removing it from the Printer. 7-71 HP Designjet Entry-level Printers Service Manual...

  • Page 204

    12. Remove the Pick Assembly ⇒ Page 7-62. 13. Pull the Inner Paper Guide from the middle to release it from the Printer. 14. Remove both pieces of the Inner Paper Guide from the Printer. HP Designjet Entry-level Printers Service Manual 7-72...

  • Page 205

    4. Remove the Power Supply Unit ⇒ Page 7-22. 5. Remove the Service Station ⇒ Page 7-24. 6. Disconnect the OOPS Sensor Cable. 7. Remove the Spring that secures the OOPS Sensor. Remove 7-73 HP Designjet Entry-level Printers Service Manual...

  • Page 206

    8. Press the OOPS Sensor clips inwards to release it. 9. Remove the OOPS Sensor (including the cable) from the Printer. Check if any Cable Ties need to be cut before removing the OOPS Sensor. HP Designjet Entry-level Printers Service Manual 7-74...

  • Page 207

    2. Remove the Left End Cover ⇒ Page 7-11. 3. Disconnect the Paper-Axis and Encoder cables. 4. Remove 1 T-10 screw (Type A) that secures the Paper-Axis Motor Mount. 5. Release the locking mechanism that secures the Paper-Axis Motor Mount. 7-75 HP Designjet Entry-level Printers Service Manual...

  • Page 208

    Removal and Installation 6. Remove the Paper-Axis Motor Assembly from the Printer. After removing or replacing the Paper-Axis Motor Assembly, make sure that you perform the Accuracy Calibration. HP Designjet Entry-level Printers Service Manual 7-76...

  • Page 209

    3. Remove 2 T-10 screws that secure the Paper-Axis Motor Assembly. 4. Disconnect the Paper-Axis Motor cable. 5. Release the belt from the Paper-Axis Motor. Remove the Paper-Axis Motor Assembly from the Printer. 7-77 HP Designjet Entry-level Printers Service Manual...

  • Page 210

    15. Remove the Feed Roller Assembly ⇒ Page 7- 16. Remove the Pick Assembly ⇒ Page 7-62. 17. Remove the Inner Paper Guide ⇒ Page 7-72. 18. Remove 2 T-10 screws that secure the Left Bracket to the Chassis. HP Designjet Entry-level Printers Service Manual 7-78...

  • Page 211

    19. Slide the Left Bracket out of the Printer. 20.Remove 1 T-10 screw that secures the Side Guide to the Chassis. 21. Raise the Side Guide and then slide it out to the left. 7-79 HP Designjet Entry-level Printers Service Manual...

  • Page 212

    Removal and Installation 22. Slide the Bypass Platen to the left and remove from the Printer. HP Designjet Entry-level Printers Service Manual 7-80...

  • Page 213

    16. Remove the Pick Assembly ⇒ Page 7-62. 17. Remove the Inner Paper Guide ⇒ Page 7-72. 18. Remove the Bypass Platen ⇒ Page 7-78. 19. Remove 1 T-10 screw that secures the Right Bracket to the Chassis. 7-81 HP Designjet Entry-level Printers Service Manual...

  • Page 214

    Removal and Installation 20.Lift the Right Bracket out of the Printer. 21. Release the Spring from the Bypass Platen Actuator. 22. Remove the Bypass Platen Actuator from the Printer. HP Designjet Entry-level Printers Service Manual 7-82...

  • Page 215

    Maintenance Cleaning Information 8-2 Lubrication Information 8-4 HP Designjet Entry-level Printers Service Manual...

  • Page 216: Cleaning Information

    Paper Dust: It is recommended that vacuuming be used to remove paper dust from inside the printer. Do NOT use compressed air. Carriage Flex-Contacts: Use water on a clean lint-free cloth. Flex-Contacts HP Designjet Entry-level Printers Service Manual...

  • Page 217

    Encoder Strip: Wipe from left to right (viewed from front) with a clean lint- free cloth. Do NOT pull hard on the Encoder Strip. Encoder Strip Drive Roller: Use water on a clean lint-free cloth. Do Not use solvents. Drive Roller HP Designjet Entry-level Printers Service Manual...

  • Page 218

    Lubrication: Cleaning the Carriage Rod is NOT recommended. If, however, the Carriage was wiped clean, replace the felt washers on the Carriage Assembly. The felt washers are impregnated with oil to provide the necessary lubrication for the Carriage Rod. HP Designjet Entry-level Printers Service Manual...

  • Page 219

    About this Edition This is the 1st edition of this Service Manual 1st edition...

  • Page 220

    HP Designjet 120nr Printer (Model C7791B) HP Designjet 130 Printer (Model C7791C) HP Designjet 130nr Printer (Model C7791D) For information about using these printers, refer to the corresponding User Guide. The procedures described in this manual are to be performed by HP-qualified Service Personnel only.

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