HP LaserJet 6p/mp Service Manual

HP LaserJet 6p/mp Manual

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  • HP LaserJet 6p/mp | Service Manual - Page 1
    ® HP LaserJet 5L/6L/6L Gold/6L Pro Printer Service Manual English
  • HP LaserJet 6p/mp | Service Manual - Page 2
  • HP LaserJet 6p/mp | Service Manual - Page 3
    HP LaserJet 5L/6L/6L Gold/6L Pro Printer Service Manual
  • HP LaserJet 6p/mp | Service Manual - Page 4
    , consequential, or other damage alleged in connection with the furnishing or use of this information. Trademark Credits ENERGY STAR is a U.S. registered service mark of the United States Environmental Protection Agency. Hewlett-Packard Company 11311 Chinden Boulevard Boise, Idaho 83714 U.S.A.
  • HP LaserJet 6p/mp | Service Manual - Page 5
    This is a combined Service Manual for the HP LaserJet 5L, 6L, 6L Gold, and 6L Pro printers. The HP LaserJet 6L Gold shares the same characteristics as the HP LaserJet 6L. For the purposes of this manual, the "HP LaserJet 6L" refers to both the 6L and the 6L Gold. This manual uses the following
  • HP LaserJet 6p/mp | Service Manual - Page 6
    4 EN
  • HP LaserJet 6p/mp | Service Manual - Page 7
    period 28 Hardware service after the warranty period 28 HP LaserJet Toner Cartridge warranty 29 Voltage conversions 29 2 Site requirements Chapter contents 31 Site requirements 32 Operating environment 32 Printer space requirements 33 The HP C3906A/F Toner Cartridge 34 Storage conditions
  • HP LaserJet 6p/mp | Service Manual - Page 8
    4 Printer maintenance Chapter contents 47 Life expectancy of consumables 48 Toner cartridge life 49 Saving toner with EconoMode 49 Refilled toner cartridges 50 Recycling toner cartridges 50 Cleaning the printer 51 Cleaning printer components 51 Cleaning spilled toner 52 5 Functional
  • HP LaserJet 6p/mp | Service Manual - Page 9
    118 DC Controller diagram 119 Printer error troubleshooting 120 Priority of errors 120 Printer status messages 121 Service and error messages 123 Image formation troubleshooting 126 Check the toner cartridge 126 Image defect examples 127 Troubleshooting checks 133 Engine test 133
  • HP LaserJet 6p/mp | Service Manual - Page 10
    Appendix B Regulatory information Laser Safety (U.S 177 Laser Statement (Finland 178 Toner safety 179 Ozone emission 179 FCC Statement (Class B 180 VCCI Statement (Japan 180 8 EN
  • HP LaserJet 6p/mp | Service Manual - Page 11
    20 Figure 1-6 Back view of the printer 21 Figure 2-1 Printer space requirements 33 Figure 2-2 Toner cartridge distribution 35 Figure 3-1 Self-test page for HP LaserJet 5L 41 Figure 3-2 Self-test page for HP LaserJet 6L 42 Figure 3-3 Self-test page for HP LaserJet 6L Pro 43 Figure 3-4 Engine
  • HP LaserJet 6p/mp | Service Manual - Page 12
    Assembly removal (3 of 3 108 Figure 6-38 Memory Door Guide removal 109 Figure 6-39 Motor removal 110 Figure Toner cartridge high-voltage connection points (1 of 2 135 Figure 7-6 Toner cartridge Roller assembly 158 Figure 8-8 Feed assembly 160 Figure 8-9 Separation Guide assembly 162 Figure 8-10
  • HP LaserJet 6p/mp | Service Manual - Page 13
    and sensors 64 Printer timing 66 Printer status messages 121 Unclearable error 122 Service and error messages 123 Service and error messages (Continued 2 of 3 124 Service and error messages (Continued 3of 3 125 High-voltage power supply check 135 Paper curl troubleshooting 137 Cable pinouts
  • HP LaserJet 6p/mp | Service Manual - Page 14
    12 EN
  • HP LaserJet 6p/mp | Service Manual - Page 15
    Ordering related documentation 22 Technical assistance 23 HP Customer Care 23 HP worldwide sales and service offices 25 Warranty 28 Hardware service during the warranty period 28 Hardware service after the warranty period 28 HP LaserJet Toner Cartridge warranty 29 Voltage conversions 29 EN
  • HP LaserJet 6p/mp | Service Manual - Page 16
    Power Control SleepMode Control Panel 3 LEDs and 1 Control Panel Button EconoMode (toner saving) Yes 1. Printer memory is optimized with Memory Enhancement technology (MEt). 2. Not available for the HP LaserJet 6L Pro, 4 MB standard. 3. JEDIA (Japanese Electronic Device Industry Association
  • HP LaserJet 6p/mp | Service Manual - Page 17
    manual, "HP LaserJet 6L" refers to both the 6L and the 6L Gold. Model and serial The model number and serial numbers are listed on Identification Labels located on the bottom of the printer. The model number is alphanumeric, such as C3941A for the HP LaserJet 5L printer, C3990A for the HP LaserJet
  • HP LaserJet 6p/mp | Service Manual - Page 18
    Figure 1-2 HP LaserJet 6L model and serial numbers 16 Product information EN
  • HP LaserJet 6p/mp | Service Manual - Page 19
    Figure 1-3 HP LaserJet 6L Pro model and serial numbers EN Identification 17
  • HP LaserJet 6p/mp | Service Manual - Page 20
  • HP LaserJet 6p/mp | Service Manual - Page 21
    9 13 10 Figure 1-4 Front/side views of the printer 1 Paper Input Support (not present on the HP LaserJet 6L Pro) 2 Paper Output Support (not present on the HP LaserJet 6L Pro) 3 Paper Guides 4 Error (top) Indicator Light 5 Data (middle) Indicator Light 6 Ready (bottom) Indicator Light 7 Control
  • HP LaserJet 6p/mp | Service Manual - Page 22
    14 15 Figure 1-5 Front door assemblies 14 Paper Release Lever 15 Toner Cartridge Compartment 16 Transfer Roller (do not touch) 17 EP Door 16 17 20 Product information EN
  • HP LaserJet 6p/mp | Service Manual - Page 23
    18 19 20 Figure 1-6 Back view of the printer 18 Power Cable Connector 19 Parallel Cable Connector 20 Memory Expansion Cover (not present on the HP LaserJet 6L Pro) EN Product overview 21
  • HP LaserJet 6p/mp | Service Manual - Page 24
    Support Organization-Europe) (49 7031) 142253 Table 1-6 Related documentation Description Part Number HP LaserJet Family Quick Reference Service Guide 5021-0369 HP LaserJet 5L Printer User's Manual C3941-90901 HP LaserJet 6L Printer User's Manual C3990-90901 HP LaserJet 6L Pro Printer User
  • HP LaserJet 6p/mp | Service Manual - Page 25
    these services. Obtaining Software World Wide Web URL: For information specific to the HP LaserJet 5L/ 6L6L Gold/6L Pro products: http://www.hp.com/go/support/ (site is in English) Visit: http://www.hp.com/go/support/ (site is in English) Call: Australia: +61 3 8877 8000 China: +86 10 6564
  • HP LaserJet 6p/mp | Service Manual - Page 26
    nearby and your serial number ready when calling. If you know your printer needs repair, call 1-800-243-9816 to locate your nearest HP-authorized service provider, or call 208-323-2551 for HP centralized service dispatch. Post-warranty telephone assistance is available to answer your product
  • HP LaserJet 6p/mp | Service Manual - Page 27
    (61) (3) 9272-2895 Fax: (61) (3) 898-7831 Service and Support Hewlett-Packard 351 Burwood Hwy Forest Hill VIC 3131 Phone: (61) HP Building No. 2 Dong San Huan Nan Lu Chao Yang District Beijing 100022, P.R. China Phone: (86 10) 6564 3888 Customer Information Center: Phone: (86 10) 6564-3888 or (86 10
  • HP LaserJet 6p/mp | Service Manual - Page 28
    682-6035 Fax: (91 11) 682-6030 Hardware Repair Center and Extended Warranty Support: Phone: (91 11) 682-6042 Customer Information Center: Phone: (91 Center Phone: (972) (9) 9 52 48 48 Korea Hewlett-Packard Korea, Ltd. HP Korea House, 23-6 Yoido-dong, Youngdeungpo-gu, Seoul 150-724, Korea Yoido P.O.
  • HP LaserJet 6p/mp | Service Manual - Page 29
    797-3500 Fax: (7) (0) 95 797-3501 Hewlett-Packard Singapore (Service) Pte Ltd 438A Alexandra Road Blk A Alexandra Technopark #02-08 Phone: (41) (0848) 88 44 66 Fax: (41) (1) 735 77 00 Extended Warranty Support: Phone: (41) (0848) 80 11 11 United Kingdom Hewlett-Packard Ltd. Cain Road Bracknell
  • HP LaserJet 6p/mp | Service Manual - Page 30
    above, due to defects in material and workmanship when properly installed and used. If HP receives notice of such defects during the warranty period, HP will replace software media which does not execute its programming instructions due to such defects. 3 HP does not warrant that the operation of
  • HP LaserJet 6p/mp | Service Manual - Page 31
    Note HP LaserJet Toner Cartridge warranty HP LaserJet Toner Cartridges are warranted to be free from defects in materials and workmanship until the HP toner is depleted. You know your HP toner is depleted when you begin to see faded or light type on your printed page. The warranty, extended for the
  • HP LaserJet 6p/mp | Service Manual - Page 32
    30 Product information EN
  • HP LaserJet 6p/mp | Service Manual - Page 33
    2 Site requirements Chapter contents Site requirements 32 Operating environment 32 Printer space requirements 33 The HP C3906A/F Toner Cartridge 34 Storage conditions 34 Storing opened toner cartridges 34 Toner cartridge handling suggestions 35 EN Chapter contents 31
  • HP LaserJet 6p/mp | Service Manual - Page 34
    requirements LaserJet 5L/6L/6L Pro & Cartridge Operating Temperature 50 to 90.5° F (10 to 32.5° C) Humidity 20 to 80% RH (with no condensation) Storage 32 to 104° F (0 to 40° C) 10 to 80% RH (with no condensation) Consider the following points before installing the printer: l Install in
  • HP LaserJet 6p/mp | Service Manual - Page 35
    requirements Legal (paper guide not present on HP LaserJet 6L Pro) A4 Letter 445.3 mm 327.5 mm 227.5 mm 311.2 mm Figure 2-1 Printer space requirements 335.5 mm Table 2-2 Printer dimensions Description Dimension Width 335.5 mm (13.2 inches) Depth 311.2 mm (12.3 inches) Height (storage
  • HP LaserJet 6p/mp | Service Manual - Page 36
    fumes. Never ship the printer with a Toner Cartridge installed. Excessive vibration during shipping can cause toner to leak, contaminating the printer. Never expose the Toner Cartridge to direct sunlight or to room light for more than a few minutes. Bright light and direct sunlight can permanently
  • HP LaserJet 6p/mp | Service Manual - Page 37
    to light for too long. This causes permanent damage to the Photosensitive Drum. Replace the cartridge. l Never manually rotate the drum, especially in the reverse directions; internal damage and toner spills may result. l Remove the Toner Cartridge before shipping the printer. EN The HP C3906A
  • HP LaserJet 6p/mp | Service Manual - Page 38
    36 Site requirements EN
  • HP LaserJet 6p/mp | Service Manual - Page 39
    3 Operating overview Chapter contents Using the Control Panel 38 Control Panel layout 38 Indicator lights 38 The Control Panel Button 40 Printing a self-test page 41 Continuous self test 44 Printing an engine test 44 Resetting the printer 45 To reset the printer 45 EN Chapter contents 37
  • HP LaserJet 6p/mp | Service Manual - Page 40
    the Control Panel button. Print job in progress. Let job finish printing. Data Light and Unprinted data are in the Ready Light printer. both remain on Press and release the Control Panel Button to print the remaining data. See "Service and error messages" in Chapter 7. 38 Operating overview EN
  • HP LaserJet 6p/mp | Service Manual - Page 41
    a Toner Cartridge installed may cause a paper jam. Error Light is blinking The page may have too much data or may be too complex for the printer's memory capacity. If the Error Light remains lit after checking for these problems, and there's no paper jam, disconnect the power for 10 seconds
  • HP LaserJet 6p/mp | Service Manual - Page 42
    succession. The reset will return the printer to the factory default settings. This clears all data from memory, including any downloaded fonts and macros. Resume (from Manual The Data (middle) Light Feed) blinks. Briefly push and release the Override manual feed to button. print from paper
  • HP LaserJet 6p/mp | Service Manual - Page 43
    Printing a self-test page A self-test page can be useful in troubleshooting printer problems and determining which fonts have been downloaded to the printer. Figure 3-1 Self-test page for HP LaserJet 5L EN Printing a self-test page 41
  • HP LaserJet 6p/mp | Service Manual - Page 44
    Figure 3-2 Self-test page for HP LaserJet 6L 42 Operating overview EN
  • HP LaserJet 6p/mp | Service Manual - Page 45
    Figure 3-3 Self-test page for HP LaserJet 6L Pro The self-test page lists the current printer configuration. (If any fonts have been downloaded to the printer a second page will print.) To print a self-test page: 1 Make sure the Ready (bottom) Light is on, and all other lights are off. Wake up the
  • HP LaserJet 6p/mp | Service Manual - Page 46
    Continuous self test Note The HP LaserJet 6L Pro does not support the continuous self test. A continuous self test can be useful for troubleshooting paper path and other problems. To print a continuous self test: 1 Disconnect the printer from the power source. 2 Press and hold down the Control
  • HP LaserJet 6p/mp | Service Manual - Page 47
    l Clears all data from the printer's memory (including unprinted data, downloaded fonts, and macros). l Stops any printing that is taking place and ejects the page. l Removes some error conditions. l Resets the printer to its factory default settings. To reset the printer Press and hold the Control
  • HP LaserJet 6p/mp | Service Manual - Page 48
    46 Operating overview EN
  • HP LaserJet 6p/mp | Service Manual - Page 49
    4 Printer maintenance Chapter contents Life expectancy of consumables 48 Toner cartridge life 49 Saving toner with EconoMode 49 Refilled toner cartridges 50 Recycling toner cartridges 50 Cleaning the printer 51 Cleaning printer components 51 Cleaning spilled toner 52 EN Chapter contents 47
  • HP LaserJet 6p/mp | Service Manual - Page 50
    Pressure Roller 1. The estimated toner cartridge life is based on Letter or A4 size paper with an average of five percent toner coverage and a medium density setting. Toner cartridge life can be extended further by conserving toner using the printer's EconoMode feature. 48 Printer maintenance EN
  • HP LaserJet 6p/mp | Service Manual - Page 51
    less toner than normal printing. The printed page is much lighter and is adequate for printing drafts or proofs. EconoMode can be set through your printer driver. See Chapter 5 for more information. Note Some software applications may refer to this as "draft mode." EN Toner cartridge life
  • HP LaserJet 6p/mp | Service Manual - Page 52
    used toner cartridges. Plastics and other material are recycled. Cartridge components that do not wear out are reused. HP pays the shipping costs from the user to the recycling plant. To join this recycling effort, follow the instructions inside the toner cartridge box. 50 Printer maintenance EN
  • HP LaserJet 6p/mp | Service Manual - Page 53
    To avoid permanent damage to the toner cartridge, do not use ammonia-based cleaners on or around the printer. Do not touch the transfer roller with your fingers. Contaminants on the roller can cause print quality problems. Table 4-2 Cleaning printer components Component Cleaning Method/Notes
  • HP LaserJet 6p/mp | Service Manual - Page 54
    Eliminator Teeth (located in front of the transfer roller) Cleaning spilled toner Defective toner cartridges can develop leaks. In addition, after a paper jam has occurred, there may be some toner remaining on the rollers and guides inside the printer. The pages that print immediately after the jam
  • HP LaserJet 6p/mp | Service Manual - Page 55
    interface 58 Control Panel 58 Resolution Enhancement technology (REt 59 EconoMode 59 Memory Enhancement technology (MEt 59 Enhanced I/O 59 Page Protect 60 PJL overview 60 Image formation system 61 Toner cartridge 61 Step 1: Drum cleaning 62 Step 2: Drum conditioning 62 Step 3: Image
  • HP LaserJet 6p/mp | Service Manual - Page 56
    DC Controller Single Sheet Input Slot Paper Input Tray Front Output Slot Fusing Assembly Pick Up/Feed System Primary Charging Roller Photo- Cleaner sensitive drum Developing Unit Transfer Charging Roller Pickup Unit Figure 5-1 Printer functional block diagram 54 Functional overview EN
  • HP LaserJet 6p/mp | Service Manual - Page 57
    . Formatter PCA Memory I/O Control Panel DC Controller CPU Delivery Paper Sensor HV Power Supply Power Supply AC Driver LV Power Supply Main Motor Drive Fuser Drive Laser/Scanner Assembly Laser Diode Toner Cartridge Charging Roller Developing Roller Bias Transfer Roller Motor Fusing Assembly
  • HP LaserJet 6p/mp | Service Manual - Page 58
    , is activated manually through an access hole at the front of the printer. This switch causes the print engine to perform a self-test diagnostic which bypasses the Formatter PCA and prints a full page of black vertical lines. This test is useful for troubleshooting printer problems because it
  • HP LaserJet 6p/mp | Service Manual - Page 59
    minutes, it turns itself off by shifting to SleepMode. The Control Panel lights remain off, and the printer retains all printer settings and downloaded fonts and macros while in SleepMode. The printer exits SleepMode and all of the lights power on when any of the following occur: l A job is received
  • HP LaserJet 6p/mp | Service Manual - Page 60
    . The HP LaserJet 6L Pro does not support memory expansion or the use of a JEDIA card. Parallel interface The Formatter PCA receives incoming data through its Bi-Tronics interface. The Bi-Tronics I/O provides high speed and two-way communication between the printer and the host, allowing the user to
  • HP LaserJet 6p/mp | Service Manual - Page 61
    the speed of data transfer from the host computer to the printer, if necessary. l Off uses the minimum amount of printer memory for storing data sent from the host computer. Enhanced I/O is only available in PCL mode. When using the host-based driver (HP LaserJet 5L and 6L only), your PC handles
  • HP LaserJet 6p/mp | Service Manual - Page 62
    will display an error message. Page Protect allows the Formatter to create the entire page image in page buffer memory before physically moving the paper through the printer. This process ensures that the entire page will be printed. Page Protect applies only to PCL printing. The default setting
  • HP LaserJet 6p/mp | Service Manual - Page 63
    replaceable toner cartridge, eliminates the need for a service call when replacement is required. The special photosensitive properties of the drum allow an image to be formed on the drum surface and then transferred to paper. CAUTION The printer's toner cartridge does not include a light-blocking
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    a uniform negative charge on the surface of the drum with the primary charging roller, located in the toner cartridge. The primary charging roller is coated with conductive rubber. An AC bias is applied to the roller to erase any residual charges from any previous image. In addition, a negative DC
  • HP LaserJet 6p/mp | Service Manual - Page 65
    the DC Controller that paper is present. When the printer receives a print job and is ready to print, heat from the fuser and pressure from the Pressure Roller permanently bond the toner image to paper rollers. Manual Input Slot Paper Output Bin Paper Input Bin Toner Cartridge Delivery Roller
  • HP LaserJet 6p/mp | Service Manual - Page 66
    Roller or Manual Input Slot Cartridge Sensor (HP LaserJet Detects whether printer door is open and 5L only) In the HP LaserJet 6L, SW101 cartridge is in place. If the door is open or performs the function of 5L's PS204. The the cartridge is not in place, the control 6L Pro has no toner cartridge
  • HP LaserJet 6p/mp | Service Manual - Page 67
    Out Sensor (PS202), Paper Registration Sensor (PS203), and the Paper Exit Sensor (PS201) detect when paper is moving through the printer. (See Figure 5-5 for roller and sensor locations.) If a paper jam is detected, the DC Controller immediately stops the printing process and causes a paper jam
  • HP LaserJet 6p/mp | Service Manual - Page 68
    the primary voltage (DC) OFF until Deliver the last sheet of paper. Also clean the Main Motor stops. the Transfer Roller. If another PRNT signal is sent from the Formatter, the printer returns to the INTR period. If not, it returns to the STBY period. Refer to the Timing Diagrams on the
  • HP LaserJet 6p/mp | Service Manual - Page 69
    Figure 5-7 General timing diagram - HP LaserJet 5L EN Basic sequence of operation 67
  • HP LaserJet 6p/mp | Service Manual - Page 70
    Figure 5-8 General timing diagram - HP LaserJet 6L and HP LaserJet 6L ProSL 68 Functional overview EN
  • HP LaserJet 6p/mp | Service Manual - Page 71
    strategy 70 Required tools 71 Installing memory cards (DRAM 72 Covers and doors 73 Back Cover 73 EP Door Assembly 75 Memory Door 76 Main Cover and Paper Input Assembly 77 Internal assemblies 78 Control Panel 78 Exit Roller Assembly 79 Delivery Assembly 80 Fuser Pressure Plate 82 Heating
  • HP LaserJet 6p/mp | Service Manual - Page 72
    the printer. CAUTION The printer contains parts that are electrostatic discharge (ESD) sensitive. Always service printers at an ESD-protected workstation. To install a affected assembly. Note Always remove the toner cartridge before removing or replacing parts. 70 Removal and replacement EN
  • HP LaserJet 6p/mp | Service Manual - Page 73
    Required tools CAUTION l #2 Phillips screwdriver with a magnetic tip l small flathead screwdriver l needlenose pliers A PosiDriv screwdriver will damage the printer's screw heads. Use Phillips only. Figure 6-1 shows the difference between a Phillips and a PosiDriv screwdriver. Note that a Phillips
  • HP LaserJet 6p/mp | Service Manual - Page 74
    The HP LaserJet 6L Pro does not support memory upgrades. 1 Unplug the power cord from the printer. You should not install a memory card while the printer is in SleepMode. 2 2 Open the Printer Door, remove the toner cartridge, and close the Printer Door. Protect the toner cartridge from light
  • HP LaserJet 6p/mp | Service Manual - Page 75
    2 Remove the toner cartridge. 3 Lift the Input Extender assembly. You must lift the Input Extender when the covers are removed or it will break. After you have removed the covers, leave the Input Extender in this lifted position for ease of replacement. The Input Extender for the HP LaserJet 6L Pro
  • HP LaserJet 6p/mp | Service Manual - Page 76
    5 Separate the rear panel from the main cover, pulling the lower corners away from the printer first. Then, insert the small flathead screwdriver into the openings at the top to pop the upper corners (Figure 6-3, callout 1). 6 Remove the cover by grabbing
  • HP LaserJet 6p/mp | Service Manual - Page 77
    EP Door Assembly 1 Unplug the power cord and remove the parallel cable from the back of the printer. 2 Open the EP Door. 3 Remove the toner cartridge. 4 There is a flex point along the door hinge. Firmly press the left tab inward to release it (Figure 6- 4). The right tab will fall out easily.
  • HP LaserJet 6p/mp | Service Manual - Page 78
    This procedure does not apply to the HP LaserJet 6L Pro. That model does not have a Memory Door. 1 Unplug the power cord and remove the parallel cable from the back of the printer. 2 Remove the toner cartridge. 3 Gently tip the printer onto its side so that the Control Panel is on top. 4 Carefully
  • HP LaserJet 6p/mp | Service Manual - Page 79
    Main Cover and Paper Input Assembly 1 Remove the toner cartridge. 2 Remove memory door (HP LaserJet 5L and 6L). Remove the memory door first (HP LaserJet 5L and 6L). The door will break if you remove the Main Cover without removing the memory door. 3 Remove the EP Door Assembly. 4 Remove the
  • HP LaserJet 6p/mp | Service Manual - Page 80
    callout 2). The Control Panel will pop out of the printer chassis. The Control Panel on the HP LaserJet 6L Pro is soldered directly to the wiring harness. It Control Panel will pop out of the printer chassis. 4 Carefully remove the cable from the guides on the printer chassis. The other end of the
  • HP LaserJet 6p/mp | Service Manual - Page 81
    6-8 Exit Roller removal To reinstall The end of the Exit Roller that has a gear attached must fit into the gear train. Although it is possible to reinstall the Exit Roller so that the gear end is on the opposite side of the printer, this placement would cause paper path problems. EN Internal
  • HP LaserJet 6p/mp | Service Manual - Page 82
    1 Remove the Printer Covers and Exit Roller Assembly. 2 Remove the EP Right-hand assembly by pressing inward on the tab (Figure 6-9, callout 1) and sliding the assembly toward the front of the printer (Figure 6-9, callout 2). The EP Right-Hand assembly must be removed to access any fuser components
  • HP LaserJet 6p/mp | Service Manual - Page 83
    Assembly up and forward, then lift it out of the printer. 1 Figure 6-10 Delivery Assembly removal (2 of 2) Note When reinstalling the Delivery Assembly, make sure that the tabs on the front end of the Delivery Assembly fit under the sheet metal fuser plate below. EN Internal assemblies 81
  • HP LaserJet 6p/mp | Service Manual - Page 84
    Pressure Plate 1 Remove Printer Covers and Delivery Assembly (Figures 6-9 and 6-10). 2 Remove the (2) screws (Figure 6-11, callout 1). 3 Press the Fuser Plate retainer clips out to release the Pressure Plate (Figure 6-11, callout 2). 4 Rotate the plate around and toward the back. Lift up to remove
  • HP LaserJet 6p/mp | Service Manual - Page 85
    brackets that hold the Fusing Assembly (Figure 6-12, callout 1). Lower the plate over the retaining clips, pressing on both sides of the Fuser Pressure Plate (Figure 6-12, callout, 2). It is important that the spring is placed over the positioning pin (callout 3) because inadequate pressure will
  • HP LaserJet 6p/mp | Service Manual - Page 86
    Covers, Delivery Assembly (Figures 6-9 and 6-10), and Fuser Pressure Plate (Figure 6-11). 2 Remove the wire cover (on the right side of the printer) for the Heating Element wires by pressing in on the tab and pulling outward (Figure 6-13, callout 1). 1 Figure 6-13 Heating Element removal (1 of
  • HP LaserJet 6p/mp | Service Manual - Page 87
    3 Disconnect the AC voltage to the Heating Element by releasing the connector located on the DC Controller. Press down on the connector release with a small, flathead screwdriver (Figure 6-14, callout 1). (Because this is a small space, it is much easier to reach the connector with a screwdriver.)
  • HP LaserJet 6p/mp | Service Manual - Page 88
    4 Remove the wire from the wire guides along the right-side of the printer. 5 Disconnect the thermistor feedback connector in the left front side of the Fusing Assembly (Figure 6-15). Figure 6-15 Heating Element removal (3 of 3) 6 Lift the Heating
  • HP LaserJet 6p/mp | Service Manual - Page 89
    Pressure Roller 1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser Pressure Plate (Figure 6-11), and Heating Element (Figures 6-13 through 6-15). 2 Remove the Pressure Roller guide by lifting the edge (Figure 6-16, callout 1) and then rolling it gently backward (Figure 6-16,
  • HP LaserJet 6p/mp | Service Manual - Page 90
    Note Face-Up/Face-Down Lever 1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser Pressure Plate (Figure 6-11), and Heating Element (Figures 6-13 through 6-15), and Pressure Roller (Figure 6-16). 2 Rotate the lever forward 90 degrees (past the spring) and pull it straight out
  • HP LaserJet 6p/mp | Service Manual - Page 91
    was changed for the HP LaserJet 6L, these procedures for Fuser Exit Roller Assembly removal remain unchanged. Figure 6-18 shows the white tab from an HP LaserJet 5L. 4 Slide the Exit Roller Assembly forward and out to the right of the printer. 2 1 Figure 6-18 Fuser Exit Roller removal EN Internal
  • HP LaserJet 6p/mp | Service Manual - Page 92
    Exit Sensor Flag 1 Remove the Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), and Fuser Pressure Plate (Figure 6-11). Before side. To reinstall It is important that you reinstall the flag correctly, because installing it incorrectly will cause the Control Panel to display an error with the
  • HP LaserJet 6p/mp | Service Manual - Page 93
    Top assemblies Note Note Laser/Scanner Assembly 1 Remove the Printer Covers. 2 Remove both Laser/Scanner connectors (Figure 6-20, callout 1). The Laser/Scanner connect cable on the HP LaserJet 6L Pro is twisted (not shown in Figure 6-20). 3 Remove all (4) screws and lift the assembly straight off
  • HP LaserJet 6p/mp | Service Manual - Page 94
    Solenoid 1 Remove the Printer Covers. 2 On the left side of the printer, remove the paper pickup gear (Figure 6-21, callout 1) by pressing the tabs in the center of the gear outward and pulling the gear off (Figure 6-21). 1 Figure 6-21 Solenoid removal (1 of 2) 92 Removal and replacement EN
  • HP LaserJet 6p/mp | Service Manual - Page 95
    (Figure 6-22, callout 1). 4 Remove the self-tapping screw that holds the Solenoid in place (Figure 6-22, callout 2). 5 Unthread the wires from the printer chassis. 6 Lift the Solenoid off. 2 1 Figure 6-22 Solenoid removal (2 of 2) Note When reinstalling this part, the Paper Pickup Gear is keyed
  • HP LaserJet 6p/mp | Service Manual - Page 96
    way. 3 Remove the pickup roller grounding clip on the right of the printer by lifting each end of the clip up and over the two metal guides and sliding the clip off. Figure 6-23 depicts the clip from an HP LaserJet 5L. The clip from an HP LaserJet 6L (and some HP LaserJet 5Ls) is shaped differently
  • HP LaserJet 6p/mp | Service Manual - Page 97
    turn it counter clockwise to release it (Figure 6-24, callout 2). 2 1 Figure 6-24 Pickup Roller Assembly removal (2 of 2) 5 Lift the bushing out. 6 From inside the front of the printer, slide the right side of the Pickup Roller Assembly forward, then lift the left side out. EN Top assemblies 95
  • HP LaserJet 6p/mp | Service Manual - Page 98
    while repositioning the right side. Rock the shaft back and forth until the Pickup Roller and the Idler Roller tabs are correctly reinstalled. It is important that the Pickup Roller is placed back in with the two Idler Roller tabs up, so that they fit into the underside of the metal chassis behind
  • HP LaserJet 6p/mp | Service Manual - Page 99
    Remove the Pickup Roller Assembly (Figures 6-23 through 6-24). 3 Disconnect the following: • Solenoid from the DC Controller at J204 (Figure 6-22, callout 1) • Two connectors from the Laser/Scanner (Figure 6-26, callout 1) • Connector from Top Cover/EP Cartridge Sensor on HP LaserJet 5L only (Figure
  • HP LaserJet 6p/mp | Service Manual - Page 100
    4 Release the catch on the control panel cable guide by using the small flathead screwdriver to push on the tab (Figure 6-27). Then slide the guide off. Figure 6-27 Paper Feed Frame removal (2 of 4) 98 Removal and replacement EN
  • HP LaserJet 6p/mp | Service Manual - Page 101
    5 Remove the self-tapping screw from the back sheet metal plate and lift it off (Figure 6-28, callout 1). 6 Remove the (4) hex head screws from the Paper Feed Frame (Figure 6-28, callout 2). 1 2 Figure 6-28 Paper Feed Frame removal (3 of 4) EN Top assemblies 99
  • HP LaserJet 6p/mp | Service Manual - Page 102
    sensor unit connector (Figure 6-29). This connector is not present on the HP LaserJet 6L Pro. For that model, remove the single connector from the DC Feed Frame may be easier to reinstall if you place the printer on its front, so that you can apply pressure while putting the screws back in
  • HP LaserJet 6p/mp | Service Manual - Page 103
    5 Working from the front of the printer, gently pry the gear side of the Transfer Roller out first, then slide the other side out of its socket. To reinstall Some of the HP LaserJet 5L Printers contain a small metal spring under the Transfer Roller Guide. Upon reinstallation with these models, the
  • HP LaserJet 6p/mp | Service Manual - Page 104
    it is also likely to spring away from the Kick Plate. Place the spring aside for Separation Plate disassembly. 1 Remove the Printer Covers and the Pickup Roller Assembly (Figures 6-23 and 6-24). 2 Press the Separation Pad (Figure 6-31). Allow the Kick Plate to pivot upward (a spring underneath will
  • HP LaserJet 6p/mp | Service Manual - Page 105
    pin. Use needlenose pliers to place the spring correctly. (See Figure 6-32.) Figure 6-32 Kick Plate Spring replacement While rotating the Kick Plate into place, guide the other end of the spring onto the silver grounding plate located on the Paper Feed Frame. EN Top assemblies 103
  • HP LaserJet 6p/mp | Service Manual - Page 106
    Separation Pad 1 Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 and 6-24), and Kick Plate (Figure 6-31). 2 Lift the bottom of the white plastic tab on the rear of the Paper Feed
  • HP LaserJet 6p/mp | Service Manual - Page 107
    Note Subpads When you replace the Separation Pad, you should also replace the smaller subpads at the same time. 1 Place your index finger on the subpad. 2 Press toward the top of the printer. Figure 6-34 Subpad removal EN Top assemblies 105
  • HP LaserJet 6p/mp | Service Manual - Page 108
    Assembly is located in the Paper Feed Frame. 1 Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 through 6-25), and Paper Feed Frame (Figures 6-26 through 6-29). 2 Turn the Paper Feed Frame upside down. 3 Remove the Feed Roller Shaft by lifting the plastic tab up (Figure 6-35, callout
  • HP LaserJet 6p/mp | Service Manual - Page 109
    (Figure 6-36, callout 2). The tabs must be reinstalled to exactly this position. The connector shown (Figure 6-36, callout 3) is not present on the HP LaserJet 6L Pro. On that model, the wiring harness is connected to the DC Controller. 5 Remove the Feed Assembly. 3 1 2 Figure 6-36 Feed Assembly
  • HP LaserJet 6p/mp | Service Manual - Page 110
    roller should fall into your hand (Figure 6-37). Figure 6-37 Feed Assembly removal (3 of 3) To reinstall Before securing the screw, ensure the tabs on the Feed Assembly are positioned in their slots on the Paper Feed Frame (Figure 6-35, callout 2). Failure to do so will cause paper feed problems
  • HP LaserJet 6p/mp | Service Manual - Page 111
    Note Memory Door Guide The HP LaserJet 6L Pro does not have a memory door. 1 Remove the Printer Covers. 2 Remove any extra memory. 3 Two tabs hold the memory door guide on the printer chassis. Press each tab inward (Figure 6- 38). 4 Pull the memory door guide out. Figure 6-38 Memory Door Guide
  • HP LaserJet 6p/mp | Service Manual - Page 112
    Motor 1 Remove the Printer Covers. 2 Remove the motor connector (Figure 6-39, callout 1). 3 Remove the memory door guide (HP LaserJet 5L and 6L) to expose the two motor screws. 4 Remove the motor screws (Figure 6-39, callout 2). 5 Lift the Motor out. 1 2 Figure 6-39 Motor removal 110
  • HP LaserJet 6p/mp | Service Manual - Page 113
    the AC Cable from the DC Controller (Figures 6-13 and 6-14). 6 Tip the printer on its top, with the front facing you. 7 Remove the (4) screws (Figure 6-40 etched into the bottom of the DC Controller. If the model being serviced has a grounding screw with a washer, make sure that the grounding screw
  • HP LaserJet 6p/mp | Service Manual - Page 114
    (7) remaining connectors (Figure 6-42, callout 1). CAUTION Some wiring connections on the HP LaserJet 6L Pro are soldered. Check each connection before you try to disconnect it to prevent breaking any soldered connections. 10 Remove the screws (5) that secure the DC Controller to the metal case
  • HP LaserJet 6p/mp | Service Manual - Page 115
    2 1 2 Figure 6-42 DC Controller removal (3 of 3) 11 Remove the DC Controller by lifting gently on the side opposite the formatter, then sliding it out. CAUTION Be careful not to rotate the DC Controller as you remove it. Note When ordering, the DC Controller does not come with any connectors.
  • HP LaserJet 6p/mp | Service Manual - Page 116
    the Printer Covers and complete the DC Controller removal direction up to step 8 (Figures 6-40 and 6-41). 2 Remove the two cable clips (Figure 6-43, callout 1). 3 Remove all (4) screws from the formatter cover (Figure 6-43, callout 2). Lift the I/O shield to remove it. 4 If servicing an HP LaserJet
  • HP LaserJet 6p/mp | Service Manual - Page 117
    118 DC Controller diagram 119 Printer error troubleshooting 120 Priority of errors 120 Printer status messages 121 Service and error messages 123 Image formation troubleshooting 126 Check the toner cartridge 126 Image defect examples 127 Troubleshooting checks 133 Engine test 133
  • HP LaserJet 6p/mp | Service Manual - Page 118
    " LED will illuminate after three seconds. If no error message is displayed, the Printer Door is firmly closed, and the toner cartridge is installed, but the motor does NOT rotate when AC power is applied to the printer: 1 Verify that AC power is present at the input power receptacle and that the
  • HP LaserJet 6p/mp | Service Manual - Page 119
    (continued) Is the Engine Test No image being printed clearly? Yes Perform a Control Panel Self-Test Refer to the section "Image Formation Troubleshooting," later in this chapter. Is the Self-Test No image being printed clearly? Yes EXIT If the engine test produces a clear print
  • HP LaserJet 6p/mp | Service Manual - Page 120
    Deflector Fuser Photosensitive drum Face-up Delivery Fusing Unit Delivery Roller PS201 Paper Exit Sensor Transfer Roller Motor SL1 Pick-up Roller Feed Subroller PS202 PS203 Paper Out Sensor Paper Registration Sensor Feed Roller Figure 7-1 Paper path and components 118 Troubleshooting
  • HP LaserJet 6p/mp | Service Manual - Page 121
    Pickup Solenoid (SL1) Developer Bias Contact Transfer Roller Contact J304 Primary Roller Contact SW101 +12A Vdc Shutoff Switch SW201 Engine Scanner Motor J208 Laser Driver/Beam Detect Circuitry 209 Door Open/No Toner Cartridge Photosensor (PS204) (HP LaserJet 5Lonly) J401 Motor FU101
  • HP LaserJet 6p/mp | Service Manual - Page 122
    others. If there is more than one error condition at the same time, the highest priority error will be displayed. The priority of errors is: 1 Service Errors 2 Door Open/No Toner Cartridge 3 Paper Jam 4 Paper Out 5 Memory Error 6 Manual Feed 120 Troubleshooting EN
  • HP LaserJet 6p/mp | Service Manual - Page 123
    or the HP LaserJet Printer Family Paper input slot. Specifications Guide for more information.) 2. Press and release the Control Panel Button. 3. Turn off manual feed within your software application if you do not wish the printer to pause between sheets. EN Printer error troubleshooting 121
  • HP LaserJet 6p/mp | Service Manual - Page 124
    Flowchart earlier in this chapter. Occasionally you may add paper, close the printer door, add the toner cartridge, and clear a paper jam, only to find that the printer still displays an error message. If this happens, troubleshoot using Table 7-3 below. If the error appears and persists only after
  • HP LaserJet 6p/mp | Service Manual - Page 125
    error: in the RAM. 2. Unplug the printer, remove any optional memory, then power the printer back on. If the message clears, replace the memory card. 3. Replace the Formatter PCA. Fuser Error. This indicates a fusing 1. Unplug the printer for 10 minutes assembly malfunction. or more. Note
  • HP LaserJet 6p/mp | Service Manual - Page 126
    Service and error messages (Continued 2 of 3) Beam Error. There are a number of 1. Power-cycle the printer by causes for this error, and some of unplugging the printer is correctly seated on the printer chassis. 3. Replace the Laser Power-cycle the printer by unplugging the printer and plugging it
  • HP LaserJet 6p/mp | Service Manual - Page 127
    . Contact HP technical support with this information as well as a description of what data was sent, the errors encountered prior to the firmware error, the condition of the printer prior to the error, and any other information that may help isolate the error. EN Printer error troubleshooting 125
  • HP LaserJet 6p/mp | Service Manual - Page 128
    are many times the result of toner cartridge problems. If there is any doubt, always replace the toner cartridge before troubleshooting image defects. Use the following check list to ensure that the toner cartridge is still operable. l Ensure that the toner cartridge is seated properly in the cavity
  • HP LaserJet 6p/mp | Service Manual - Page 129
    replace the cartridge. l The paper may not meet HP's paper specifications (for example, too moist or too rough). (See the HP LaserJet 5L User's Manual or the HP LaserJet Printer Family Paper Specifications Guide. l Adjust toner density setting through your software or printer driver. l EconoMode may
  • HP LaserJet 6p/mp | Service Manual - Page 130
    may not be installed properly. Remove the cartridge and reinsert it. l The toner cartridge may be defective. Replace it. l If the printer still has print quality problems, the printer may require cleaning. l Replace the heating element. Repetitive defects Sometimes light character shadows or
  • HP LaserJet 6p/mp | Service Manual - Page 131
    density through your software or printer driver. l If this problem occurs on the back of a printed page, it may be caused by spilled toner inside the printer. See "Cleaning Your Printer" in Chapter 4. Black page A page is completely black. l The toner cartridge may not be installed properly. Remove
  • HP LaserJet 6p/mp | Service Manual - Page 132
    . (See the HP LaserJet 5L User's Manual or the HP LaserJet Printer Family Paper Specifications Guide. l Turn the paper over. l Use the Front Output Slot by pushing the Paper Path Lever to the lower position. This provides the straightest paper path. l Use Paper Input Support located behind the
  • HP LaserJet 6p/mp | Service Manual - Page 133
    Dark background l Adjust the toner density setting through your software or printer driver. l There may be discontinuities in the high-voltage contact points. Clean the high voltage contact points on the toner cartridge and transfer roller. l Replace the Laser/Scanner unit. l Replace the DC
  • HP LaserJet 6p/mp | Service Manual - Page 134
    White horizontal line l Replace the toner cartridge. Faulty registration/skewed image l Unload the paper and re-stack it in the input tray l Readjust the guides to the width of the paper. l Too many sheets of paper may have been loaded into the paper input slot. Load no more than 100
  • HP LaserJet 6p/mp | Service Manual - Page 135
    Troubleshooting checks Engine test The engine test print is used to verify that the print engine is functioning correctly. The Formatter PCA is completely bypassed during an engine test, so this test is useful for isolating printer problems. The engine test prints a full page of vertical lines down
  • HP LaserJet 6p/mp | Service Manual - Page 136
    . To verify whether the drum is rotating: 1 Open the Printer Door. 2 Remove the toner cartridge. 3 Mark the cartridge's drive gear with a felt-tipped marker. Note the position of the mark. 4 Install the toner cartridge and close the Printer Door. The start-up sequence should rotate the drum enough
  • HP LaserJet 6p/mp | Service Manual - Page 137
    the spring-loading action is functional. If the pins are dirty, clean using alcohol only; if damaged, replace the High Voltage Connector Assembly. 1 2 3 Figure 7-5 Toner cartridge high-voltage connection points (1 of 2) 1 Charging 2 Drum Ground 3 Developing Roller EN Troubleshooting checks 135
  • HP LaserJet 6p/mp | Service Manual - Page 138
    1 2 3 Figure 7-6 Toner cartridge high-voltage connection points (2 of 2) 1 Charging 2 Drum Ground 3 Developing Roller 136 Troubleshooting EN
  • HP LaserJet 6p/mp | Service Manual - Page 139
    following table. Table 7-5 Paper curl troubleshooting Possible causes Recommended action Paper path recommended printing surface facing the front of the printer. Paper storing and handling Over time, paper. Paper type All paper is manufactured differently (texture, moisture content, drying
  • HP LaserJet 6p/mp | Service Manual - Page 140
    Roller motion l Drive Roller, Transfer Roller, Fuser Roller and Gear, and Delivery Roller Motion To override PS204 and SW101 1 Remove the Printer Covers (Figures 6-2, 6-3, and 6-4). 2 For HP LaserJet 5LPrinter only: Press the Door Open flag down (Figure 7-7, callout 1) and lift the EP Cartridge
  • HP LaserJet 6p/mp | Service Manual - Page 141
    Roller 38 mm (1.5 inches) Delivery Roller 44 mm (1.75 inches) Transfer Roller 48 mm (1.9 inches) Pressure Roller 64 mm (2.5 inches) Upper Heating Element Film 76 mm (3.0 inches) Toner Cartridge Photosensitive Drum 76 mm (3.0 inches) Figure 7-8 Repetitive image defect ruler EN Troubleshooting
  • HP LaserJet 6p/mp | Service Manual - Page 142
    Figure 7-9 140 Troubleshooting Main wiring diagram 1 Not present on the HP LaserJet 6L Pro Main wiring diagram EP Cartridge Fusing Assembly High Voltage Connector FU101 PS204 (Door Closed/ EP Cartridge Installed) (5L only) Parallel Port Optional Memory Port1 LEDs SW Control Panel EN
  • HP LaserJet 6p/mp | Service Manual - Page 143
    pulses "L" to rotate scanner motor Scanner clock reference APC sample hold Laser Enable Laser Drive Signal Beam Detect Input Signal "H" when cartridge is not installed or the front door is open at PS204 Fusing temperature feedback Fusing assembly drive voltage Fusing assembly drive voltage
  • HP LaserJet 6p/mp | Service Manual - Page 144
    142 Troubleshooting EN
  • HP LaserJet 6p/mp | Service Manual - Page 145
    8 Parts and diagrams Chapter contents How to use the part lists and diagrams 144 Ordering parts 144 Ordering consumables 144 Accessories and supplies 145 Common hardware 146 Parts diagrams 147 EN Chapter contents 143
  • HP LaserJet 6p/mp | Service Manual - Page 146
    number selected is for the correct model of printer. Ordering parts All standard part numbers listed are stocked and may be ordered from HP's Commercial Service and Support Organization-Americas (CSSO-A), or Commercial Service and Support OrganizationEurope (CSSO-E). Hewlett-Packard Co. Commercial
  • HP LaserJet 6p/mp | Service Manual - Page 147
    1284) C2950A C2951A Description Replacement toner cartridge. You can upgrade to a total of 9 MB of memory in the HP LaserJet 5L/6L. You cannot upgrade the memory in the HP LaserJet 6L Pro. 2 meter, A to B 3 meter, A to B You can upgrade the HP LaserJet 5L and 6L printers to a total of 9 MB of
  • HP LaserJet 6p/mp | Service Manual - Page 148
    Common hardware Table 8-2 Common fasteners used in the printer Example Description Screw, Machine, Trus Head M3x4, M3x6, M3x8 Screw, Star, 3x6 Screw, Self-tap, 4x10 Screw, Hex-head, 3x8 Screw, Hexhead, 3x6,m 3x8, 3x10 146 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 149
    (Figure 8-7) Transfer Roller Guide Assembly (Figure 8-5) Feed Assembly (Figure 8-8) Control Panel PCA Assembly (Figure 8-5) Figure 8-1 Major assembly locations EN Pick-up Roller Assembly (Figure 8-7) DC Controller (Figure 8-6) Delivery Assembly (Figure 8-10) Separation Guide Assembly (Figure
  • HP LaserJet 6p/mp | Service Manual - Page 150
    1 501 502 5 9 8 Not present on the HP LaserJet 6L Pro 7 10 2 Not present on the HP LaserJet 6L Pro 3 11 12 6 13 Not present on the 4A HP LaserJet 6L Pro Figure 8-2 Covers and doors 12 4 14 148 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 151
    8B RB1-7335-000CN 9 RG5-1944-000CN 10 RG5-1945-000CN 11 XA9-0724-000CN 13 RB2-1639-000CN n/a XB4-7401-007CN XA9-0267-000CN LaserJet 6L Pro Qty Description part number RB2-6213-000CN XA9-0724-000CN 2 Screw RS, M3x8 n/a 1 Memory Door RG5-5475-000CN Cover Assembly XA9-1262-007CN
  • HP LaserJet 6p/mp | Service Manual - Page 152
    501 20 19 501 2 16 17 2 7 8 503 4 502 3 6 Figure 8-3 Internal components (1 of 3) 5 1 150 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 153
    -7300-607CN XB6-7300-807CN XB6-7300-607CN 503 XA9-0267-000CN XA9-0267-000CN LaserJet 6L Pro Qty Description part number RY7-5005-000CN 1 Gear Kit #1 RB1-7288-000CN 2 Exit Roller Bushing RB1-7105-000CN 1 Fuser Release Tab RB2-1632-000CN 1 Gear Plate RB1-7107-000CN 1 Front Gear Case RY7
  • HP LaserJet 6p/mp | Service Manual - Page 154
    9 See Figure 8-10 11 2 A 5 B 1 Note: For the HP LaserJet 6L Pro, this part was replaced with a Guide Sheet. 501 502 B 12 9 Figure 8-4 Internal components (2 of 3) 3 6 7 4 9 See Figure 8-7 A 8 10 152 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 155
    RB1-7176-000CN RB1-7305-000CN RB1-7307-000CN XB4-7401-007CN XB1-1300-807CN LaserJet 6L Pro Qty Description part number n/a 1 Memory Door Guide RB2-6226-000CN 1 Guide Sheet RB1-7247-000CN 1 Fuser Paper Guide RB1-7344-000CN 1 AC Cable Cover RF5-6222-000CN 1 Back Sheet Metal n/a 1 Control
  • HP LaserJet 6p/mp | Service Manual - Page 156
    6 10 22 9 A 3 7 B 19 18 See Figure 8-9 17 20 5 23 C 1 21 A B 16 8 4 15 14 21 2 13 21 2 12 Figure 8-5 Internal components (3 of 3) 154 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 157
    RF5-1515-000CN RF5-1515-000CN 10 RF5-1514-000CN RF5-1514- LaserJet 6L Pro Qty Description part number RB1-7223-000CN 1 Pickup Roller Grounding Clip RB1-7246-000CN 2 Pressure Roller Bushing RB1-7341-000CN 1 EP Right Hand Guide #2 RF5-2364-000CN 1 Pressure Roller RF5-1517-000CN 1 Fuser
  • HP LaserJet 6p/mp | Service Manual - Page 158
    6 7 5 15 6 3 Not shown: connector 2A shield plate (6L Pro only). 2 Note: This cable (8) was modified for the HP LaserJet 6L Pro. See Figure 8-8. 9 J202 8 10 J209 J206 J005 J002 J801 J008 J802 J401 J105 J305 J207 11 4 12 J208 J001 13 14 Note: Some of the cables and connectors
  • HP LaserJet 6p/mp | Service Manual - Page 159
    000CN 8 RG5-2029-000CN RG5-2029-000CN 9 RG5-2031-000CN RG5-3662-000CN 10 RG5-2032-000CN RG5-2032-000CN 11 RG5-2033-000CN RG5-2033-000CN 12 -151CN VD7-0643-151CN RH3-8003-000CN RH3-8003-000CN n/a n/a LaserJet 6L Pro Qty Description part number RB2-1719-000CN 1 Formatter Shield
  • HP LaserJet 6p/mp | Service Manual - Page 160
    18 14 17 16 1 2 5 13 501 SL001 3 7 19 Not shown: grounding spring (6L Pro only). 4 9 Figure 8-7 Pickup Roller assembly 3 See Figure 8-8 501 158 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 161
    XB4-7401-0007 XB4-7401-0007 LaserJet 6L Pro Qty Description part number RB1-7177-000CN 1 Paper Feed Frame RY7-5077-000CN 1 Separation Pad Kit RY7-5009-000CN 1 Input Sensor Assembly RG5-5483-000CN 1 Pickup Roller Assembly RB1-7184-000CN 1 Pickup Roller Bushing RB1-7197-000CN 1 Clutch
  • HP LaserJet 6p/mp | Service Manual - Page 162
    9 J004 Paper pick-up J202 sensor cable (see Table 8-7) J003 Figure 8-8 Feed assembly 160 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 163
    Table 8-9 Feed assembly Ref LaserJet 5L part number LaserJet 6L part number 0 RG5-1942-000CN RG5-3485-000CN 9 RB1-7226-000CN RB2-1699-000CN 10 n/a n/a LaserJet 6L Pro Qty Description part number RG5-5522-000CN 1 Feed Assembly RB2-1699-000CN 1 Idler Roller Paper Pick-up Sensor Cable
  • HP LaserJet 6p/mp | Service Manual - Page 164
    Figure 8-9 Separation Guide assembly 4 7 2 162 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 165
    -000CN RB2-1690-000CN 7 RF5-1522-000CN RF5-2368-000CN LaserJet 6L Pro Qty Description part number RG5-3475-000CN 1 Separation Guide Assembly RG5-3476-000CN 1 Face-Up/Face-Down Lever RB2-1690-000CN 1 Fuser Roller Bushing RF5-2368-000CN 1 Fuser Exit Roller Assembly EN Parts diagrams 163
  • HP LaserJet 6p/mp | Service Manual - Page 166
    7 6 4 2 Figure 8-10 Delivery assembly 6 1 3 8 164 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 167
    -2014-000CN RG5-3478-000CN 8 RB1-7334-000CN RB1-7334-000CN LaserJet 6L Pro Qty Description part number RG5-5482-000CN 1 Delivery Assembly RB1-7284-000CN 4 Delivery Roller #1 RB2-1685-000CN 2 Delivery Roller #2 RB1-7286-000CN 4 Delivery Spring#1 RB1-7287-000CN 2 Delivery Spring#2 RG5
  • HP LaserJet 6p/mp | Service Manual - Page 168
    166 Parts and diagrams EN
  • HP LaserJet 6p/mp | Service Manual - Page 169
    Back Sheet Metal (5L and 6L) Back Sheet Metal (6L Pro) Cap Cap Case Grounding Metal Clutch Connector Shield Plate (6L Pro) Control Panel Cable Guide Control Panel PCA Assembly Control Panel PCA Cable (5L) Control Panel PCA Cable (6L) Control Panel PCA Cable (6L Pro) Cover Assembly (6L Pro) DC
  • HP LaserJet 6p/mp | Service Manual - Page 170
    -1514-000CN RF5-1515-000CN EP Right Hand Guide #2 EP/Cover Interlock (5L) EP/Cover Interlock (6L and 6L Pro) RB1-7341-000CN RG5-1984-000CN RG5-3453-000CN Exit Roller (5L) Exit Roller (6L and 6L Pro) Exit Roller Bushing RF5-1521-000CN RF5-2367-000CN RB1-7288-000CN Face-up/Face-down
  • HP LaserJet 6p/mp | Service Manual - Page 171
    Fuser Exit Roller Assembly (5L) Fuser Exit Roller Assembly (6L and 6L Pro) Fuser Paper Guide RF5-1522-000CN RF5-2368-000CN RB1-7247-000CN Fuser Pressure Plate Fuser Release Kit RF5-1517-000CN RY7-5007-000CN Fuser Release Tab Fuser Roller Bushing (5L) Fuser Roller 8-2 8-2 8-7 8-10 8-7 Ref. 6 15
  • HP LaserJet 6p/mp | Service Manual - Page 172
    000CN RG5-3494-000CN Laser\Scanner (New) (6L) Left Leg Left Pressure Roller Housing RG5-5473-060CN RB1-7185-000CN RB1-7255-000CN Main Cover (5L) RH7-1450-000CN Memory Door (5L) Memory Door (6L and 6L Pro) RB1-7321-000CN RB2-1639-000CN Memory Door Guide Motor Cable Mylar Guide RB1-7109-000CN
  • HP LaserJet 6p/mp | Service Manual - Page 173
    Roller Transfer Roller Guide (5L) RF5-1534-000CN RF5-1530-000CN Transfer Roller Guide (6L and 6L Pro) Waterproof Cover (6L Pro) RF5-2358-000CN RB2-6220-000CN Fig. 8-7 8-5 8-6 8-6 8-2 8-4 8-4 8-3 8-5 8-5 8-4 8-5 8-4 8-7 8-2 8-2 8-2 8-2 8-6 8-6 8-6 8-3 8-9 8-9 8-7 8-7 8-7 8-7 8-10 8-10 8-10 8-10
  • HP LaserJet 6p/mp | Service Manual - Page 174
    RB1-7109-000CN RB1-7129-000CN Front Gear Case Memory Door Guide Case Grounding Metal RB1-7130-000CN RB1-7172-000CN Fuser Cable Guide Grounding Spring (6L Pro) RB1-7176-000CN RB1-7177-000CN RB1-7184-000CN Mylar Guide Paper Feed Frame Pickup Roller Bushing RB1-7185-000CN RB1-7186-000CN RB1-7197
  • HP LaserJet 6p/mp | Service Manual - Page 175
    parts list (Continued) Part No. Description RB1-7289-000CN RB1-7293-000CN Fuser Roller Bushing (5L) Flag RB1-7294-000CN RB1-7302-000CN Flag Spring Cap RB1-7305-000CN RB1-7321-000CN RB1-7326-000CN I/O Sheet Metal Memory Door (5L) Output Extender 1 (5L) RB1-7327-000CN RB1-7331-000CN EP
  • HP LaserJet 6p/mp | Service Manual - Page 176
    Fuser Pressure Plate Exit Roller (5L) RF5-1522-000CN RF5-1533-000CN Fuser Exit Roller Assembly (5L) Pressure Roller Grounding Guide 8-7 8-5 8-5 9-3 8-3 8-2 8-3 8-10 8-6 8-6 8-6 8-5 8-6 8-6 8-6 8-6 8-6 8-6 8-6 8-2 9-3 8-3 8-5 8-5 8-10 8-9 Ref. 5 16 7 14 8 4 4 17 7 18 16 4 4A 9 10 9 4 16 16 16 3 4
  • HP LaserJet 6p/mp | Service Manual - Page 177
    Roller Gear Kick Plate Spring RY7-5005-000CN RY7-5006-000CN Gear Kit #1 Gear Kit #2 (5L) RY7-5007-000CN RY7-5009-000CN Fuser Release Kit 8-6 8-6 8-6 8-3 8-2 8-10 8-7 8-6 8-6 8-5 8-6 8-6 8-6 8-6 8-3 8-3 8-3 8-5 8-7 8-3 8-3 8-3 8-7 8-3 8-6 8-6 8-6 8-6 8-5 8-3 8-5 8-2 8-4 8-5 Ref. 4 9 10 19 5 3 3 4
  • HP LaserJet 6p/mp | Service Manual - Page 178
    (with star washer) XB1-1300-807CN XB4-7401-0007 Screw Screw XB4-7401-0074CN XB4-7401-007CN Screw Screw (5L and 6L) Fig. 8-5 8-4 8-4 8-7 8-4 8-2 Ref. 17 10 502 501 501 501 176 Parts index EN
  • HP LaserJet 6p/mp | Service Manual - Page 179
    manufactured since August 1, 1976. Compliance is mandatory for products marketed in the United States. This printer is certified as a "Class 1" laser product under the U.S. Department of Health and Human Services of normal user operation. WARNING! Never operate or service the printer with the
  • HP LaserJet 6p/mp | Service Manual - Page 180
    Laser Statement (Finland) The following applies to printer operation and servicing in Finland. Laserturvallisuus Luckan 1 Laserlaite Klass 1 Laser Apparat HP LaserJet(s) 5L/6L/6L Gold/6L Pro laserkirjoitin on käyttäjän kannalta turvallinen luokan 1 laserlaite. Normaalissa käytössä kirjoittimen
  • HP LaserJet 6p/mp | Service Manual - Page 181
    service office. See "Technical Assistance" in Chapter 1 for telephone numbers. Ozone emission These printers do not use high-voltage corona wires in the electrophotographic process, and therefore generate no measurable ozone gas (O3). The printers instead use charging rollers in the toner cartridge
  • HP LaserJet 6p/mp | Service Manual - Page 182
    installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions or modifications not expressly approved by Hewlett-Packard could void the user's authority to operate this equipment. Use of a shielded interface
  • HP LaserJet 6p/mp | Service Manual - Page 183
    power 21 canceling print jobs 45 capacity circuit 18 memory 14 paper 14 cards, memory incompatible 121 installing 72 cartridges. See toner cartridges character dropouts, troubleshooting 129 character voids, troubleshooting 128 charging rollers 57 charging, image formation system 62 checks. See tests
  • HP LaserJet 6p/mp | Service Manual - Page 184
    display panel. See control panel displaying service errors 123 distorted images, troubleshooting 132 distributing toner 35 documentation, ordering 22 door open/no cartridge errors sensor (PS204) 64 troubleshooting 120, 121 doors EP, removing 75 locating 148 memory, removing 76 part numbers 149 dots
  • HP LaserJet 6p/mp | Service Manual - Page 185
    Gold, HP LaserJet 6L 14 graphics, cut off 129 grease, pressure roller 87 grounding clips 94 grounding screws, DC Controller 111 guides memory door, removing 109 paper, locating 19 transfer roller, removing 101 H half-self test functional check 134 hardware service options 28 hardware training kits
  • HP LaserJet 6p/mp | Service Manual - Page 186
    Gold 14 HP LaserJet Printer Family Paper Specification Guide 22 HP Repair Services 28 HP Support Assistant compact disc 23 humidity specifications 32 I I/O interface communications 58 Enhanced 59 identification labels 15 Idler Roller tabs 96 image defect ruler 139 image defects, troubleshooting 126
  • HP LaserJet 6p/mp | Service Manual - Page 187
    printer status 121 priorities, error 120 service errors 123 microprocessor, formatter 58 minimum paper size 14 mirror, operations 62 model numbers 15 models, HP LaserJet 6L 14 monthly usage 14 motor control 56 locating 63 observing rotation 138 removing 110 rotation on power-on 116 troubleshooting
  • HP LaserJet 6p/mp | Service Manual - Page 188
    65 pressure plate, removing 82 pressure roller cleaning 51 life expectancy 48 locating 63 operations 63 removing 87 pressure, inadequate 83 print cartridges. See toner cartridges print jobs, canceling 45 print quality, troubleshooting 126, 127 print speed 14 printer door sensor 64 shutoff switch 56
  • HP LaserJet 6p/mp | Service Manual - Page 189
    126, 127 Quick Reference Service Guide, HP LaserJet Family 22 R RAM. See memory Ready light 38, 121 receptacle, power 119 recovering from errors 40 recycling toner cartridges 50 redistributing toner 35 refilled toner cartridges 50 registration adjusting 133 troubleshooting 132 Registration flag
  • HP LaserJet 6p/mp | Service Manual - Page 190
    61 isolating problems 134 printer operations 66 stains, troubleshooting 127 star screws 146 static discharge 70 static eliminator teeth, cleaning 51 status information, relaying 58, 60 status, indicator lights 38 STBY (standby) 66 stopping print jobs 45 storing product 32 toner cartridges 34 streaks
  • HP LaserJet 6p/mp | Service Manual - Page 191
    status messages 121 toner cartridges 126 unclearable errors 122 trus head screws 146 typefaces. See fonts U unclearable errors, troubleshooting 122 uninterruptible power supplies (UPS) 32, 123 unplugging before servicing 70 upgrading memory 145 User's Guides, ordering 22 V vacuuming toner 52 VCCI
  • HP LaserJet 6p/mp | Service Manual - Page 192
    190 EN
  • HP LaserJet 6p/mp | Service Manual - Page 193
  • HP LaserJet 6p/mp | Service Manual - Page 194
    ® © Copyright 2002 Hewlett-Packard Co. Manual Part No. C8060-90903 *C8060-90903* *C8060-90903* C8060-90903
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®
Service Manual
English
LaserJet 5L/6L/6L Gold/6L Pro
HP
Printer