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   Summary of Contents for HP LaserJet 1000 series

  • Page 1

    LaserJet 1000 series service...

  • Page 3

    LaserJet 1000 series printer service...

  • Page 4

    HP LaserJet 1000 printer to a power source. If you NOTICE TO U.S. don’t know whether the GOVERNMENT USERS: outlet is grounded, check RESTRICTED RIGHTS with a qualified electrician.

  • Page 5: Table Of Contents

    Contents Figures Tables 1 Product information Introduction ......... . .2 Printer features .

  • Page 6: Table Of Contents

    Top cover ........29 Connector PCB Assembly .

  • Page 7: Table Of Contents

    Repetitive image defect ruler ......87 Location of ECU Connectors ......88 Location of printer connectors.

  • Page 8

    vi Chapter - Contents Q1342-90910...

  • Page 9

    Figures Figure 1. Model and serial number label ....3 Figure 2. Front and side view ......6 Figure 3.

  • Page 10

    Figure 63. Media tray and cable pod ..... .95 Figure 64. HP LaserJet 1000 covers ..... .96 Figure 65.

  • Page 11

    Tables Table 1. HP LaserJet 1000 Series printer features ...2 Table 2. Physical specifications ......4 Table 3.

  • Page 12

    xiv Chapter - Tables Q1342-90910...

  • Page 13

    Product information Chapter contents Introduction ........2 Printer features .

  • Page 14: Introduction, Printer Features

    Hint See the HP LaserJet 1000 Series printer user guide for information about printer installation, use, and operation. Printer features Table 1. HP LaserJet 1000 Series printer features...

  • Page 15: Product Specifications, Identification

    Product specifications Identification The model number and serial numbers are listed on an identification label located on the bottom of the printer. The serial number contains information about the country of origin and the revision level, production code, and production number of the printer. The label also identifies power rating and regulatory information.

  • Page 16: Specification Tables

    Specification tables Table 2. Physical specifications Category Specification Height 253 mm (10 inches) Depth 486 mm (19.1 inches) Width 415 mm (16.3 inches) Weight (toner 7.3 kg (16.1 lb) cartridge installed) Table 3. Environmental specifications Category Specification ° ° ° °...

  • Page 17

    Table 4. Power specifications (continued) Category Specification Power consumption 285 W (in continuous copy mode) Power consumption (idle) Power consumption (off) Minimum 4.5 A at 115 V recommended circuit 2.3 A at 230 V capacity Table 5. Print operating acoustical emissions specifications Category Specification Sound power level,...

  • Page 18: Overview Of Printer, Front And Side View

    Overview of printer Front and side view Figure 2. Front and side view LED status lights Output bin Toner cartridge door Input tray Sliding side media guides Long media support for the input tray Input tray cover 6 Chapter 1 - Product information Q1342-90910...

  • Page 19: Back And Side View

    Back and side view Figure 3. Back and side view Media jam release levers Port for the USB cable pod 10 Engine test button 11 Power receptacle 12 Straight-through output door Overview of printer 7 Q1342-90910...

  • Page 20: Warranty Statement

    HP does not warrant that the operation of HP products will be uninterrupted or error free. If HP is unable, within a reasonable time, to repair or replace any product to a condition as warranted, you will be entitled to a refund of the purchase price upon prompt return of the product.

  • Page 21: Extended Warranty

    TO THE EXTENT ALLOWED BY LOCAL LAW, THE REMEDIES IN THIS WARRANTY STATEMENT ARE YOUR SOLE AND EXCLUSIVE REMEDIES. EXCEPT AS INDICATED ABOVE, IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE FOR LOSS OF DATA OR FOR DIRECT, SPECIAL, INCIDENTAL, CONSEQUENTIAL (INCLUDING LOST PROFIT OR DATA), OR OTHER DAMAGE, WHETHER BASED IN CONTRACT, TORT, OR OTHERWISE.

  • Page 22: Toner Cartridge Information, Refilled Toner Cartridges, Recycling Of Toner Cartridges

    The print quality of HP LaserJet toner cartridges influences the customer’s perception of the printer. Hewlett-Packard has no control over the actual print quality of a refilled toner cartridge.

  • Page 23

    Removal and replacement Chapter contents Required tools ........13 Before performing service .

  • Page 24: Table Of Contents

    Pickup assembly ....... . . 50 Pickup roller assembly......53 Paper lift plate assembly .

  • Page 25: Removal And Replacement Strategy, Required Tools, Before Performing Service

    Removal and replacement strategy This chapter documents the removal and replacement of field replaceable units (FRUs) only. Replacement is generally the reverse of removal. Occasionally, notes and hints are included to provide directions for difficult or critical replacement procedures. WARNING! Unplug the power cord from the power source before servicing the printer.

  • Page 26: Parts Removal Order, Chapter 2 - Removal And Replacement

    Parts removal order Use the following diagram to determine the order in which parts must be removed. Toner cartridge Media tray Cable pod Left side cover Back cover ECU PCB fuse Output sensor Motor Right cover Transfer roller Solenoid Top Cover Connector PCB LED status panel Front cover...

  • Page 27: Toner Cartridge

    Toner cartridge CAUTION To prevent damage, do not expose the toner cartridge to light. Cover it with a piece of paper. Note You will feel resistance when you open the toner cartridge door. Open the toner cartridge door. Remove the toner cartridge. Figure 4.

  • Page 28: External Assemblies, Media Tray

    External assemblies Media tray Lift off the media tray cover (callout 1). Slightly tilt up the media tray and pull it away from the printer. Figure 5. Remove the media tray 16 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 29: Cable Pod

    Cable pod Turn the two pod thumbscrews counterclockwise until they turn freely. Grasp the pod, and gently pull it away from the printer. Figure 6. Remove the cable pod Hint For easier installation, start tightening the top thumbscrew (do not fully tighten) and then tighten the bottom thumbscrew when replacing the cable pod.

  • Page 30: Left Side Cover

    Left side cover Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Open the toner cartridge door. Remove the single left-cover retaining screw (callout 1). Pull out on the rear of the cover and rotate it away from the printer.

  • Page 31: Back Cover

    Back cover Remove the following assemblies: Toner cartridge, media tray, cable pod, and left side cover. See “Toner cartridge” on page 15 through “Left side cover” on page 18. Open the straight-through output door (callout 1). Remove the single screw (callout 2) from the back of the printer. Figure 8.

  • Page 32

    Release the two locking tabs (not shown). The left tab is located under the printer and the right tab is located on the right side of the printer, near the cable pod port. Press down and hold the two green jam-release levers (callout 3) and pull the cover off of the printer.

  • Page 33: Ecu Pcb Fuse

    ECU PCB fuse Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side and back covers. See “Left side cover” on page 18 through “Back cover” on page 19. Grasp the ECU PCB fuse (callout 1) and pull it out of the mounting clips.

  • Page 34: Output Sensor

    Output sensor Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side and back covers. See “Left side cover” on page 18 through “Back cover” on page 19. Disconnect the output sensor (callout 1) wire harness (at the ECU end).

  • Page 35: Motor

    Motor Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side and back covers. See “Left side cover” on page 18 through “Back cover” on page 19. Hint Removing the fuser is not necessary, but doing so will make replacing the motor easier.

  • Page 36: Right Side Cover

    Right side cover Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side and back covers. See “Left side cover” on page 18 through “Back cover” on page 19. Open the toner cartridge door.

  • Page 37

    Lift the right side of the printer and release the tab (callout 2) on the bottom of the cover. Figure 14. Release the right side cover tab External assemblies 25 Q1342-90910...

  • Page 38

    While continuing to press the release tab, grasp the top of the cover and rotate it away from the printer. Figure 15. Remove the right side cover 26 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 39: Solenoid

    Solenoid Remove the following assemblies: Toner cartridge, media tray and formatter pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, and right side covers. See “Left side cover” on page 18 through “Right side cover” on page 24. Unplug the brown solenoid wire connector (callout 1) from the ECU and carefully unwind the solenoid harness from the harness lance points (callout 2).

  • Page 40

    Remove the screw (callout 3) on the solenoid. Gently thread the solenoid cable through the hole (callout 4) in the right side plate. Lift the solenoid off of the printer. Figure 17. Remove the solenoid 28 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 41: Top Cover

    Top cover Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17 Left side, back, and right side covers. See “Left side cover” on page 18 through “Right side cover” on page 24. Open the toner cartridge door.

  • Page 42: Connector Pcb Assembly

    Connector PCB Assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Open the toner cartridge door.

  • Page 43: Led Status Panel

    LED status panel Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Open the toner cartridge door.

  • Page 44: Front Cover

    Front cover Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Close the toner cartridge door.

  • Page 45

    Pull forward on the top of the front cover to release the three front cover tabs (callout 2). Slightly raise the front of the printer and rotate the top of the cover toward you to release the tabs on the bottom of the front cover. Remove the front cover.

  • Page 46: Toner Cartridge Door

    Toner cartridge door Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Front cover.

  • Page 47

    Unhook the right side toner cartridge door hinge and slide the toner cartridge door toward the left to remove it. Figure 24. Remove the toner cartridge door CAUTION When the cartridge door is replaced, the hinge must be behind the door stop (callout 2).

  • Page 48: Front Guide

    Front guide Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Front cover and toner cartridge door.

  • Page 49

    Release the two right side front guide tabs (callout 2). Figure 26. Release the front guide assembly tabs (right side) External assemblies 37 Q1342-90910...

  • Page 50

    Release the two front guide tabs on the left side (callout 3). Remove the front guide assembly. Figure 27. Release the front guide assembly tabs (left side) 38 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 51: Internal Assemblies, Transfer Roller

    Internal assemblies Transfer roller Remove the following assemblies: Toner cartridge and media tray. See “Toner cartridge” on page 15 through “Media tray” on page 16. Use needle-nose pliers to gently squeeze the two small tabs on the transfer roller. Lift the transfer roller up, slide it to the right, and lift it out of the printer.

  • Page 52: Laser/scanner Assembly

    Laser/scanner assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. CAUTION Never operate the printer with the laser/scanner assembly exposed.

  • Page 53

    Release the two shutter-retaining tabs (callout 3) and remove the shutter and shutter spring. CAUTION Use care when releasing the shutter-retaining tabs. The tabs are plastic and can be broken. Only bend the tabs enough to release the shutter lever. Remove the four screws (callout 4) that fasten the scanner to the printer chassis and remove the laser/scanner.

  • Page 54: Fuser Assembly

    Fuser assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Remove two screws (callout 1) from the right fuser bracket.

  • Page 55

    Remove three screws (callout 3) from the left fuser bracket. Remove the bracket. Figure 32. Remove the left fuser bracket Internal assemblies 43 Q1342-90910...

  • Page 56

    Remove two screws (one shown in callout 4), one from each side of the printer (right side shown). Figure 33. Remove the fuser mounting screws 44 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 57

    Unplug the fuser cable connector (callout 5) by pressing and releasing the clip on the back of the connector. Unplug four smaller cable connectors (callout 6) from the ECU and remove the harnesses from the fuser harness lance points. 10 Unplug the spade connector (callout 7). 11 Slightly spread the chassis to release the fuser locator pins and then lift the fuser assembly out of the printer.

  • Page 58: Output Rollers, Face-down Delivery Assembly

    Output rollers Face-down delivery assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover”...

  • Page 59: Face-up Roller

    Face-up roller Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Fuser assembly.

  • Page 60: Right Plate Assembly

    Right plate assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Unlace the solenoid wire harness.

  • Page 61

    Remove seven mounting screws (callout 2). if the motor is installed, disconnect the motor wire harness. Apply slight pressure and pull the right plate assembly off of the printer. Figure 38. Remove the right plate assembly mounting screws Internal assemblies 49 Q1342-90910...

  • Page 62: Pickup Assembly

    Pickup assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Front cover, toner cartridge door, and front guide.

  • Page 63

    Remove the two top mounting screws (callout 2). Figure 40. Remove the top pickup assembly mounting screws Internal assemblies 51 Q1342-90910...

  • Page 64

    Lift the metal shield (callout 3) straight up and remove it from the printer. Figure 41. Remove the metal shield 52 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 65: Pickup Roller Assembly

    Pickup roller assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Front cover, toner cartridge door, and front guide.

  • Page 66: Paper Lift Plate Assembly

    Paper lift plate assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Front cover, toner cartridge door, and front guide.

  • Page 67: Left Plate Assembly

    Left plate assembly Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, right side, and top covers. See “Left side cover” on page 18 through “Top cover” on page 29. Front cover, toner cartridge door, and front guide.

  • Page 68: Bottom Assemblies, Ecu Pan

    Bottom assemblies ECU pan Remove the following assemblies: Toner cartridge, media tray, and cable pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, and right side covers. See “Left side cover” on page 18 through “Right side cover” on page 24. Unplug the three spade connectors (callout 1).

  • Page 69

    Unplug the ribbon cable from the ECU to the connector assembly PCB (callout 5). Remove two screws (callout 6) on each side of the printer (left side shown). Figure 46. Remove the ECU mounting screws Bottom assemblies 57 Q1342-90910...

  • Page 70

    Gently pull the two sides of the printer away from the ECU pan to release the ECU pan. Slide the ECU pan out and away from the printer. Figure 47. Remove the ECU pan 58 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 71

    10 Remove the motor wire harness from the wire clip (callout 7). 11 Remove the three ECU PCB mounting screws (callout 8). 12 Remove the two power cord receptacle plate mounting screws (callout 9). 13 Lift the ECU PCB off of the ECU pan. Figure 48.

  • Page 72: Paper-feed Assembly

    Paper-feed assembly Remove the following assemblies: Toner cartridge, media tray and formatter pod. See “Toner cartridge” on page 15 through “Cable pod” on page 17. Left side, back, and right side covers. See “Left side cover” on page 18 through “Right side cover” on page 24. Right plate assembly.

  • Page 73

    Apply slight pressure to disengage the paper-feed assembly bushings from the roller shaft (callout 4). Lift the paper-feed assembly up and out of the printer. Figure 50. Remove the paper-feed assembly Hint When replacing the paper feed assembly, insert the two tabs (callout 5) on the paper-feed assembly into the provided recesses (callout 6) near the roller.

  • Page 74

    Use needle-nose pliers to push the two tabs away from the end of the paper-feed roller shaft. Pull the paper-feed roller shaft away from the gear end and remove it. Figure 51. Release the paper-feed roller 62 Chapter 2 - Removal and replacement Q1342-90910...

  • Page 75

    Troubleshooting Chapter contents Basic troubleshooting ....... 64 Errors ......... . . 67 LED status lights.

  • Page 76: Basic Troubleshooting

    Basic troubleshooting Table 7. Basic troubleshooting Verification steps Possible problems Solutions Does the printer turn Power is not being 1. Verify that the product is plugged in. supplied to the printer. 2. Verify that the power cable is functional on successfully? There are open wire and the cable is plugged into the correct When the product is...

  • Page 77

    1. Make sure that the media meets with evenly spaced specifications detailed in the Print Media horizontal lines, but the Guide for the HP LaserJet printer family. toner can be easily 2. A faulty fuser assembly power smeared. connection exists. Verify that the fuser power connectors are firmly seated.

  • Page 78

    1. Make sure that the media meets quality problems. specifications detailed in the Print Media of poor quality? Guide for the HP LaserJet printer family. 2. Identify the image quality problem. See “Solving image-quality problems” on page 72. Does the media jam Various printer paper- Isolate the printer paper-path problem.

  • Page 79: Errors, Led Status Lights

    Errors LED status lights The status lights give the user information about the status of the printer. Until the cable pod initializes the firmware, only the ready and fatal-error light patterns can appear. If the cable pod is not connected when the printer power is turned on, the motor rotates (for about 6 seconds) but the status lights remain off (the firmware is not initialized).

  • Page 80

    Table 9. Status lights messages Message Possible causes Solutions The Ready and Attention lights are not 1. Verify that the power cord is illuminated. connected to the printer and the power is turned on. 2. The cable pod is not connected or has failed.

  • Page 81

    Table 9. Status lights messages (continued) Message Possible causes Solutions The Ready and Attention lights are A fatal error message appears on the illuminated. The printer is in a fatal error computer screen. Follow the directions in state. the message to clear the error. Possible fatal errors are: Fuser error Laser/scanner error...

  • Page 82: Additional Error Messages

    Additional error messages Error conditions can exist that do not generate status light patterns. Instead, an error message appears on the computer screen. Table 10. Error messages (no LED status panel pattern) Message Solutions Printer not 1. Verify that the power cord is connected to the printer and the power is turned on (the Ready light should be illuminated).

  • Page 83: Checking The Toner Cartridge, To Redistribute Toner In The Cartridge

    Checking the toner cartridge Image formation defects are many times the result of problems in the toner cartridge. If there is any doubt, always replace the toner cartridge before troubleshooting image defects. Use the following checklist to make sure that the toner cartridge is still operable.

  • Page 84: Solving Image-quality Problems, Solving Print Image-quality Problems

    15.) The media you are using does not meet Make sure that the media meets HP’s specifications (for example, it is too specifications detailed in the Print Media moist or too rough). Guide for the HP LaserJet printer family.

  • Page 85

    Solution Toner specks The media you are using does not meet Make sure that the media meets HP’s specifications (for example, it is too specifications detailed in the Print Media appear on the moist or too rough). Guide for the HP LaserJet printer family.

  • Page 86

    The media you are using does not meet Make sure that the media meets HP’s specifications (for example, it is too specifications detailed in the Print Media moist or too rough). Guide for the HP LaserJet printer family.

  • Page 87

    20 to 30 envelopes. The type and quality of media you are Make sure that the media meets using does not meet HP’s specifications. specifications detailed in the Print Media Guide for the HP LaserJet printer family. Errors 75 Q1342-90910...

  • Page 88

    2. Use a different media. Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet printer family. The media was in the input tray too long. Turn the stack of media over and put it back in the tray.

  • Page 89: Solving Paper-feed Problems

    Print Media coming out subjected to heat. Paper curl tends to Guide for the HP LaserJet printer family. curled or relax as the paper cools while resting on wrinkled. a flat surface.

  • Page 90

    Make sure that the media meets specifications for print media. specifications detailed in the Print Media Guide for the HP LaserJet printer family. The output capacity was exceeded in the Do not allow more than 125 sheets of paper output bin.

  • Page 91: Functional Checks, Engine Test, Printing An Engine Test

    Functional checks Engine test The engine test is used to verify that the print engine is functioning correctly. The cable pod is bypassed during an engine test, so the engine test is useful for isolating printer problems. The engine test prints horizontal lines in the printable area of a page.

  • Page 92

    Print Media comes out subjected to heat. Paper curl tends to Guide for the HP LaserJet printer family. curled or relax as the paper cools while resting on wrinkled. a flat surface.

  • Page 93: Half Self-test Functional Check, To Perform A Half Self-test Check, To Perform Other Checks

    Half self-test functional check The electrophotographic process can be subdivided into the following stages: Image formation stage (charges the drum and writes a latent image to the drum with the laser) Development stage (forms a toner image on the drum) Transfer stage (transfers the image to paper) Cleaning stage (removes excess toner from the drum) Fusing stage (applies heat and pressure to make the image on...

  • Page 94: Drum Rotation Functional Check

    Drum rotation functional check The photosensitive drum, located in the toner cartridge, must rotate for the print process to work. The photosensitive drum receives its drive from the main drive assembly. Hint This test is especially important if refilled toner cartridges have been used.

  • Page 95: Heating-element Check

    Heating-element check Paper passes between the heating element and a soft pressure roller to fuse toner to the paper. Unplug the printer for at least ten minutes. Remove the heating element connector (callout 1) from the ECU. To measure the continuity of the heating element, measure the resistance between the two pins at the end of the cable.

  • Page 96: High-voltage Power Supply Check, To Check The Toner Cartridge Connection Points

    High-voltage power supply check The high-voltage power supply PCA provides the necessary voltages for the electrophotographic processes. To check the toner cartridge connection points Turn the toner cartridge over and visually inspect the three connection points on the ends of the toner cartridge: drum ground (callout 1), charging (callout 2), and developing roller (callout 3).

  • Page 97: To Check The High-voltage Connector Assembly

    To check the high-voltage connector assembly The assembly uses three spring-loaded pins to contact the toner cartridge: drum ground (callout 1), charging (callout 2), and developing roller (callout 3). Verify that the pins are not dirty or corroded and that the spring-loading action is functional. If any of the pins are dirty, clean them using isopropyl alcohol only.

  • Page 98: Paper-path Check, To Override Sw301

    Paper-path check If paper is not being picked up or is not moving through the paper path, you might want to observe all of the paper motion activities. Overriding the door interlock (SW301) allows you to observe: motor rotation. solenoid action. kick plate motion.

  • Page 99: Troubleshooting Tools, Repetitive Image Defect Ruler

    Troubleshooting tools Repetitive image defect ruler First occurrence of print defect Toner/developing cylinder (37.7 mm, 1.5 in.) Toner/primary charging roller (37.7 mm, 1.5 in.) Transfer roller (45.2 mm, 1.8 in.) Heating element (56.5 mm, 2.2 in.) Pressure roller (62.8 mm, 2.5 in.) Toner/drum (75.4 mm, 3.0 in.) Figure 60.

  • Page 100: Location Of Ecu Connectors

    Location of ECU Connectors J203 Figure 61. HP LaserJet 1000 ECU PCB Table 14. ECU connectors Ref. Description Remarks SW301 Door-open detection switch Microswitch J301 Toner cartridge high-voltage connector Connection to developing cylinder J304 Toner cartridge high-voltage connector Connection to primary charging...

  • Page 101: Location Of Printer Connectors

    Location of printer connectors Figure 62. Printer connectors Table 15. Printer connectors Ref. Description Remarks J603 Laser/scanner 4-pin connector JP617 LED status panel 3-pin connector J601 ECU ribbon cable Harness is soldered to the PCB. J605 Cable pod 24-pin serial connector J411 Paper feed sensor Harness is soldered to the sensor.

  • Page 102

    90 Chapter 3 - Troubleshooting Q1342-90910...

  • Page 103: Table Of Contents

    Parts and diagrams Chapter contents Ordering parts and supplies ......92 Parts ........92 Related documentation and software .

  • Page 104: Ordering Parts And Supplies, Parts, Related Documentation And Software, Consumables

    Parts http://outfield.external.hp.com/spi/ Parts information welcome.htm Consumables Printer consumables are listed in the HP LaserJet 1000 series printer user guide. Consumables are available directly from Hewlett-Packard at the following numbers: U.S.: (1) (800) 538-8787 Canada: (1) (800) 387-3154 in Toronto: (1) (416) 671-8383...

  • Page 105: Accessories

    Accessories Table 17. Accessories Item Description Part number Toner cartridge 2500-page cartridge C7115A 2500-page cartridge service part C7115A-60101 Toner cloth 5090-3379 Cables and Power cord, U.S./Canada 8120-8382 interface Power cord, Europe 8121-0516 accessories Power cord, Switzerland 8121-0519 Power cord, UK 8121-0517 Power cord, Denmark 8121-0518...

  • Page 106: How To Use The Parts Lists And Diagrams, Common Hardware

    Keep this screw separated from other screws while servicing the printer to avoid misplacing it. Order part number RY7-5082-000CN for a screw kit containing a complete set of screws for the HP LaserJet 1000 and 1200 series printers. 94 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 107: Media Tray And Cable Pod, Part Numbers

    Media tray and cable pod Figure 63. Media tray and cable pod Part numbers Table 19. Printer tray and cover Ref. Part number Description Qty. Q1342-60001 Cable pod assembly RG0-1013-000CN Paper-pickup tray RA0-1405-000CN Paper-pickup tray cover Media tray and cable pod 95 Q1342-90901...

  • Page 108: Covers

    Covers Figure 64. HP LaserJet 1000 covers 96 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 109: Part Numbers

    Cover, left side RG0-1016-000CN Back cover assembly RA0-1074-000CN Top cover assembly RG0-1091-000CN Toner cartridge door assembly 7121-8042 HP jewel RY7-5082-000CN This screw kit contains a full set of screws for the HP LaserJet 1000 and 1200 series printers. Covers 97 Q1342-90901...

  • Page 110

    Internal assemblies Internal components (1 of 2) Figure 65. Internal components (1 of 2) Note A and B in the illustration refer to assembly components that are connected together. 98 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 111

    Part numbers Table 21. Internal components (1 of 2) Ref. Part number Description Qty. RA0-1182-000CN Shutter lever RA0-1169-000CN Compression spring RG9-1498-000CN Laser/scanner assembly RG0-1097-000CN Cable, laser/scanner RG0-1020-000CN Pickup gear assembly RA0-1184-000CN Cover, right support RA0-1172-000CN Gear 17T (drive train; left plate) RF0-1008-000CN Pickup roller RG9-1483-000CN Transfer roller...

  • Page 112: Internal Components (2 Of)

    Internal components (2 of 2) Figure 66. Internal componentsm (2 of 2) 100 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 113

    Part numbers Table 22. Internal components (2 of 2) Ref. Part number Description Qty. RA0-1161-000CN Front guide assembly RA0-1173-000CN Lever holder RA0-1185-000CN Fuser plate, left RA0-1186-000CN Fuser plate, right RH7-5315-000CN Solenoid, dc 24 V RA0-1176-000CN Gear, 69T RA0-1023-000CN Connecting link RG0-1083-000CN Right plate assembly RH7-1505-000CN Motor RA0-1197-000CN...

  • Page 114: Electrical Components

    Electrical components Figure 67. Electrical components 102 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 115

    Part numbers Table 23. Electrical components Ref. Part number Description Qty. RA0-1127-000CN Engine controller case RA0-1128-000CN PCB spacer WT2-5694-000CN Clamp, cable RG0-1093-000CN Engine controller PCB assembly, 110 to127 V RG0-1094-000CN Engine controller PCB assembly, 220 to 240 V Internal assemblies 103 Q1342-90901...

  • Page 116: Paper Pickup Assembly (1 Of)

    Paper pickup assembly (1 of 2) Figure 68. Paper pickup assembly (1 of 2) 104 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 117

    Part numbers Table 24. Paper pickup assembly (1 of 2) Ref. Part number Description Qty. RG0-1085-000CN Paper pickup assembly RA0-1072-000CN Grounding plate RA0-1035-000CN Torsion spring RY7-5081-000CN Clutch kit RG0-1007-000CN Paper pickup shaft assembly RG0-1005-000CN Feed-roller holder assembly RG0-1072-000CN Paper-sensor PCB assembly RA0-1200-000CN Torsion spring Internal assemblies 105...

  • Page 118: Paper Pickup Assembly (2 Of)

    Paper pickup assembly (2 of 2) Figure 69. Paper pickup assembly (2 of 2) Note A and B in the illustration refer to assembly components that are connected together. 106 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 119

    Part numbers Table 25. Paper pickup assembly (2 of 2) Ref. Part number Description Qty. RA0-1003-000CN Foot, rubber (paper pickup assembly) RG0-1006-000CN Paper lift plate assembly RF0-1014-000CN Separation pad Internal assemblies 107 Q1342-90901...

  • Page 120

    Fuser assembly Figure 70. Fuser assembly Note A and B in the illustration refer to assembly components that are connected together. 108 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 121

    Part numbers Table 26. Fuser assembly Ref. Part number Description RG9-1493-000CN Fuser assembly, 110 V RG9-1494-000CN Fuser assembly, 220 V RF0-1003-000CN Face-up roller RG0-1010-000CN Face-down delivery assembly RA0-1088-000CN Gear, 29T RA0-1089-000CN Gear, 17T (fuser assembly) RA0-1104-000CN Bushing RG0-1082-000CN Delivery sensor PCB assembly Internal assemblies 109 Q1342-90901...

  • Page 122: Alphabetical Parts List

    Alphabetical parts list Table 27. Alphabetical parts list Description Part number Ref. Figure Back cover assembly RG0-1016-000CN Bushing RA0-1104-000CN Cable pod Q1342-60001 Cable, laser/scanner RG0-1097-000CN Clamp, cable WT2-5694-000CN Clutch kit RY7-5081-000CN Compression spring RA0-1169-000CN Connecting link RA0-1023-000CN Connector, PCB assembly RG0-1090-000CN Control panel assembly RG0-1087-000CN...

  • Page 123

    RF0-1008-000CN Printer pickup tray assembly RG0-1013-000CN Right plate assembly RG0-1083-000CN Screw kit (contains a full set of screws for the RY7-5082-000CN HP LaserJet 1000 series printers) Separation pad RF0-1014-000CN Shutter lever RA0-1182-000CN Solenoid, dc 24 V RH7-5315-000CN Toner cartridge door assembly...

  • Page 124: Numerical Parts List

    Numerical parts list Table 28. Numerical parts list Part Number Description Ref. Figure 7121-8042 HP jewel Q1342-60001 Cable pod RA0-1003-000CN Foot, rubber (paper pickup assembly) RA0-1003-000CN Foot, rubber (plate assemblies) RA0-1023-000CN Connecting link RA0-1035-000CN Torsion spring RA0-1072-000CN Grounding plate RA0-1088-000CN...

  • Page 125

    Transfer roller RG9-1498-000CN Laser/scanner assembly RH7-1505-000CN Motor RH7-5315-000CN Solenoid, dc 24 V RY7-5081-000CN Clutch kit RY7-5082-000CN Screw kit (contains a full set of screws for the HP LaserJet 1000 and 1200 series printers) WT2-5694-000CN Clamp, cable Numerical parts list 113 Q1342-90901...

  • Page 126

    114 Chapter 4 - Parts and diagrams Q1342-90901...

  • Page 127

    84 troubleshooting 75, 77 paper path 86 alphabetical list, part numbers 110 circuit capacity specifications 4 Attention light 67 classes, HP Technical Training 92 cleaning high-voltage power supply connection points 84 back cover printer 73 part number 97...

  • Page 128

    88 heating element check 83 edges not printing 72 high-voltage power supply, testing 84 electrical components, diagrams and part numbers HP Customer Care Online 92 HP SupportPack 9 electrical specifications 4 HP Technical Training 92 electrophotographic processes, testing 81...

  • Page 129

    112 phone numbers, ordering supplies 92 numbers, telephone 92 photosensitive drum inspecting 71 testing 81, 82 online Customer Care, HP 92 troubleshooting 73 operating environment, specifications 4 physical specifications 4 operating systems supported 2 pickup assembly ordering parts and supplies 92...

  • Page 130

    plate assemblies removing left, removing 55 back cover 19 paper lift, removing 54 cable pod 17 part numbers 99, 101 connector PCB assembly 30 right, removing 48 ECU pan 56 platforms supported 2 ECU PCB fuse 21 pliers, required 13 face-down delivery assembly 46 pod, cable face-up roller 47...

  • Page 131

    82 SW301, overriding 86 ruler, repetitive defect 87 switches engine test 79 paper path test 86 scatter, toner 76 schedules, HP Technical Training 92 screwdrivers, required 13 technical support 92 Technical Training 92 Chapter - Index 119...

  • Page 132

    71, 84 part number 95 tools, required 13 removing 17 top cover part number 97 removing 29 vertical lines, troubleshooting 73 Training, HP Technical 92 transfer roller part number 99 removing 39 warranty tray, input extended 9 capacity 75...

  • Page 134

    © 2001 Hewlett-Packard Company http://www.hp.com/support/lj1000 *Q1342-90910* *Q1342-90910* Q1342-90910...

This manual also for:

Laserjet 1000 series

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  • james manubike May 07, 2015 06:30:
    there,s more things to know about the printer but thanks for this manual for sharing the knowledge about it......
  • brad pitt May 07, 2015 06:12:
    i learned a lot about the parts of a particular version of printer... thank you