Xerox Phaser 7750 Service Manual
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Xerox Phaser 7750 Service Manual

Color laser printer
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See also: Reference Manual , Owner's Manual
7750
P h a s e r
®
C o l o r L a s e r P r i n t e r
Service
Manual

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Summary of Contents for Xerox Phaser 7750

  • Page 1 7750 P h a s e r ® C o l o r L a s e r P r i n t e r Service Manual...
  • Page 2 Printer Introduction and Overview ......1-2 Phaser 7750 Printer Configurations......1-3 Parts of the Printer .

  • Page 3: Error Messages And Codes

    Engine Logic Board Failure, Code 80 ..... 3-39 Controller to Engine Communications Failure, Code 81 ..3-39 Engine Logic Board RAM/ROM Failure, Code 82 ... . 3-39 Phaser 7750 Printer...
  • Page 4 Engine Logic Board NVRAM Failure, Code 83 ....3-40 Controller to Engine Logic Board Time Failure, Code 84 ..3-40 Engine Logic Board Micro Pitch Failure, Code 85... . 3-40 High-Voltage Power Supply Failure, Code 86 .
  • Page 5 Cleaning ..........7-2 Phaser 7750 Printer...
  • Page 6 8 Service Parts Disassembly Overview ..........8-2 Standard Orientation of the Printer for Disassembly .
  • Page 7 Phaser 7750 Finisher........
  • Page 8 PL 17.5 Covers........11-48 PL 17.6 Top Cover and Eject Roll .

  • Page 9: General Troubleshooting

    General Troubleshooting In this chapter... Introduction Service Diagnostics Front Panel Troubleshooting Inoperable Printer Troubleshooting Troubleshooting Power Supplies and Interlocks Media Jams and the Paper Path Operating System and Application Problems Chapter...

  • Page 10: Service Diagnostics

    Service Diagnostics The Phaser 7750 Color Laser Printer has built-in diagnostics that allow access to sensors, turning on and off motors, clutches, solenoids, built-in test patterns, cleaning maintenance operations, printer status and some NVRAM access. Using these tests, the service technician should be able to diagnose problems quickly and isolate which component or sub assembly part needs replacement.

  • Page 11: Service Parts Disassembly

    Service Parts Disassembly In this chapter... Overview General Notes on Disassembly Disassembly Procedures Chapter...

  • Page 12: Standard Orientation Of The Printer For Disassembly

    When needed the orientation of the printer is called out in the procedure for locating printer parts, refer to the printer orientation graphic for locating the right, left, front and back sides of the printer. Back Right Front Left 7750-242 Phaser 7750 Printer Service Manual...
  • Page 13 Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf Xerox Phaser 7750 sm_03.pdf...

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