Xerox Phaser 7700 Service Manual
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Xerox Phaser 7700 Service Manual

Xerox Phaser 7700 Service Manual

Color laser printer
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Service Manual
701P28180
Phaser
7700
®
Color Laser Printer

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Summary of Contents for Xerox Phaser 7700

  • Page 1 Service Manual 701P28180 Phaser 7700 ® Color Laser Printer...

  • Page 3: Service Manual

    Service Manual 701P28180 ® Phaser 7700 Color Laser Printer Warning The following servicing instructions are for use by qualified service personnel only. To avoid personal injury, do not perform any servicing other than that contained in operating instructions unless you are qualified to do so.
  • Page 4 Xerox technical training materials and service manuals are intended for use by authorized Xerox service technicians and service partners only and are not for resale. These materials may not be distributed, copied, or otherwise reproduced without prior written consent from Xerox Corporation.

  • Page 5: User Safety Summary

    CAUTION: A personal injury hazard exists that may not be apparent. For example, a panel may cover the hazardous area. DANGER: A personal injury hazard exists in the area where you see the sign. Phaser 7700 Color Printer Service Manual...

  • Page 6: Power Source

    Do not touch any electrical component unless you are instructed to do so by a service procedure. Mechanical Components Manually rotate drive assemblies to inspect and gears. Do not try to manually rotate or manually stop the drive assemblies while any printer motor is running Phaser 7700 Color Printer Service Manual...

  • Page 7: Laser Components

    Turning the power Off using the On/Off switch does not de-energize the printer. You must remove the power cord to disconnect the printer from the main power source. Keep the power cord accessible for removal in case of an emergency. Phaser 7700 Color Printer Service Manual...

  • Page 8: Safety Instructions

    And whenever you clean the product. Ground the Product Plug the three-wire power cord (with grounding prong) into grounded AC outlets only. If necessary, contact a licensed electrician to install a properly grounded outlet. Phaser 7700 Color Printer Service Manual...

  • Page 9: Service Safety Summary

    Laser (FDA): Any laser label visible to service must be reproduced in the service manual with location shown or indicated. Safe working procedures and clear warnings concerning precautions to avoid possible exposure must also be included. Phaser 7700 Color Printer Service Manual...

  • Page 10: Federal Communication Commision Compliance

    For more information on interference, refer to the Federal Communications Commission’s booklet “How to Identify and Resolve Radio-TV Interference Problems.” This booklet is available from the U.S. Government Printing Office, Washington D.C. 20402, Stock No. 004-000-00345-4. viii Phaser 7700 Color Printer Service Manual...

  • Page 11: Canadian Notice

    Hiermit wird bescheinigt, dass der Babe Laserdrucker, in bereinstimmung mit den Betimmunngen der Vfg 104ß 984 funkenstört ist. Der Deutschen Bundespost wurde das Inverkehrbringen dieses Gertëes angqeigt und die Berechtigung zur berprufung der Serie auf Einhaltung der Bestimmungen eingeräumt. Phaser 7700 Color Printer Service Manual...

  • Page 12: Esd Precautions

    ESD. Handle ICs and EPROMs carefully to avoid bending a pin. Pay attention to the direction of parts when mounting or inserting them on a PCB. Phaser 7700 Color Printer Service Manual...

  • Page 13: Table Of Contents

    Federal Communication Commision Compliance ..........1-viii Canadian Notice ....................1-ix Avis Canadien ....................1-ix European Notice ....................1-ix Hinweis ......................1-ix ESD Precautions ....................... 1-x Contents 2-xi List of Tables 2-xxi List of Figures 1-xxiii Phaser 7700 Color Laser Printer Service Manual...

  • Page 14: General Information

    System Boot Sequence ................... 2-32 Power On Self Test (POST) ................2-32 POST Faults ..................... 2-33 Fault Reporting Devices ................... 2-33 LED Blink Patterns ................... 2-33 POST Diagnostics Test Descriptions ............... 2-34 Service Diagnostics ....................2-35 Phaser 7700 Color Laser Printer Service Manual...

  • Page 15: Troubleshooting

    Fans On, Front Panel LED Never On ..............3-93 Fans On, Front Panel LED is Red, No Front Panel message ......3-93 Front Panel Continually Displays the Xerox Phaser 7700 Splash Screen ..3-93 Front Panel Continually Displays "warming up - please wait" Message ....3-93 Front Panel displays "Fatal Fault Encountered"...

  • Page 16: Adjustments And Calibration

    Center Skew Adjustment ................4-126 Processes of the RegiCon Adjustment ..............4-127 Check Print-quality ..................4-127 Preparation for RegiCon ................4-127 Registration Control Procedures ................4-130 RegiCon Flowchart ..................4-133 Step 1: Belt Edge Learn ................. 4-134 Phaser 7700 Color Laser Printer Service Manual...

  • Page 17: Cleaning And Maintenance

    Resetting Belt Cleaner Assembly Life .............6-148 Resetting Transfer Roller Life ................6-148 Service Diagnostics NVRAM Resets ..............6-149 PostScript NVRAM Reset ................6-149 Clear Tech Rep Faults ..................6-149 Reset CRU Life Counters ................6-149 Reset Engine NVRAM ..................6-150 Store Engine NVRAM ..................6-150 Phaser 7700 Color Laser Printer Service Manual...

  • Page 18: Removal And Replacement Procedures

    Laser Unit ....................7-200 Image Processor Board Assembly ............7-202 Internal Hard Drive ................. 7-203 Electrical Chassis (Card Cage) Assembly ..........7-204 Engine Control Board ................7-206 Engine Control Interface Board .............. 7-207 Phaser 7700 Color Laser Printer Service Manual...

  • Page 19: Fru Parts List

    PL 8-14 Electrophotographic Components FRUs ...........8-257 PL 8-15 Electrophotographic Components FRUs (cont’d.) ......8-259 PL 8-16 Multi-Purpose Tray FRUs ..............8-261 PL 8-17 Paper Feed FRUs ................8-263 PL 8-18 Paper Feed FRUs (cont’d.) ..............8-265 PL 8-19 Fans FRUs ..................8-267 Phaser 7700 Color Laser Printer Service Manual xvii...

  • Page 20: Test Prints

    Removal and Replacement Procedures 11-323 Horizontal Transport Assembly ............11-324 Horizontal Transport Top Open, Front, and Rear Cover 11-325 Horizontal Transport Entrance Upper Cover Assembly ......11-326 Horizontal Transport Belts ..............11-327 xviii Phaser 7700 Color Laser Printer Service Manual...

  • Page 21: Finisher Fru Parts List

    Stacker Motor Assembly ...............11-338 Paddle Shaft ..................11-339 Paper Transport Motor (Motor Assembly Main) ........11-340 Cam Bracket Assembly .................11-341 Staple Unit Assembly and Motor ............11-342 Compiler Tray ..................11-344 Finisher FRU Parts List 11-345 Finisher Wiring Diagrams 12-371 Phaser 7700 Color Laser Printer Service Manual...
  • Page 22 Phaser 7700 Color Laser Printer Service Manual...

  • Page 23: List Of Tables

    Table 8-24 Lower Tray Deck (LTD) FRUs List (cont’d.)........8-276 Table 8-25 High-Capacity Feeder FRUs List ............8-277 Table 8-26 High-Capacity Feeder FRUs List (cont’d.).......... 8-278 Table 8-27 High-Capacity Feeder FRUs List (cont’d.).......... 8-279 Phaser 7700 Color Laser Printer Service Manual...
  • Page 24 Table 11-12 Compiler Tray Assembly FRUs List..........11-365 Table 11-13 Stacker Elevator Assembly FRUs List ..........11-367 Table 11-14 Exit Assembly FRUs List ..............11-369 Table 11-15 Electrical FRUs List ................ 11-370 xxii Phaser 7700 Color Laser Printer Service Manual...

  • Page 25: List Of Figures

    List of Figures Figure 1-1 The Phaser 7700 Color Laser Printer (shown with the High-Capacity Feeder) Figure 1-2 Engine Control Interface and Power Supply Boards ....... 1-6 Figure 1-3 Power Supplies ..................1-7 Figure 1-4 Engine Control and Image Processor Boards ......... 1-8 Figure 1-5 Auxiliary Feeder Control Board ...............
  • Page 26 Figure 7-47 Electrical Chassis Assembly ............. 7-204 Figure 7-48 Engine Control Board ............... 7-206 Figure 7-49 Engine Control Interface Board ............7-207 Figure 7-50 T1 and T3 High-voltage Power Supplies ........... 7-208 xxiv Phaser 7700 Color Laser Printer Service Manual...
  • Page 27 Figure 8-17 Paper Feed FRUs ................8-263 Figure 8-18 Paper feed FRUs (cont’d.) ..............8-265 Figure 8-19 Fans FRUs ..................8-267 Figure 8-20 Lift Components FRUs ..............8-268 Figure 8-21 Wiring FRUs ..................8-270 Phaser 7700 Color Laser Printer Service Manual...
  • Page 28 Figure 8-28 High-Capacity Feeder FRUs (cont’d.) ..........8-280 Figure 8-29 High-Capacity Feeder FRUs (cont’d.) ..........8-281 Figure 11-1 Phaser 7700 Color Laser Printer with the Finisher Option ....11-313 Figure 11-2 Dimensions of the Finisher ............. 11-315 Figure 11-3 Assemblies of the Finisher .............. 11-317 Figure 11-4 Internal Assemblies of the Finisher ..........
  • Page 29 Figure 11-39 Electrical FRUs ................11-370 Figure 12-1 Block diagram of the Finisher ............12-372 Figure 12-2 Wiring diagram of the Finisher ............12-373 Phaser 7700 Color Laser Printer Service Manual xxvii...

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