Xerox Phaser 7750 Service Manual - Page 3

Browse online or download pdf Service Manual for Printer Accessories Xerox Phaser 7750. Xerox Phaser 7750 14 pages. Color laser printer
Also for Xerox Phaser 7750: Specifications (4 pages), User Manual (35 pages), Brochure (8 pages), Owner's Manual (4 pages), Specifications (2 pages), Network Manual (8 pages), Quick Setup (5 pages), Supplementary Manual (5 pages), Manuallines (5 pages), Supplementary Manual (2 pages), Supplementary Manual (16 pages), Install Manual (6 pages), Owner's Manual (19 pages), Owner's Manual (3 pages), Maintenance Manual (1 pages), Color Manual (4 pages), Installation Manual (33 pages), Quick Reference Manual (8 pages), Quick Reference Manual (8 pages), Quick Reference Manual (8 pages), Setup Manual (2 pages), User Documentation (17 pages), Setup Manual (2 pages), Adding Memory Manual (2 pages)

Print Page
Xerox Phaser 7750 Service Manual
#4 Skew (Rough) Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
View the RegiCon Patterns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
ATC Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
ADC Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25
ADC Output Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
Lower Tray Feeders Sensor and Board Locations . . . . . . . . . . . 2-28

3 Error Messages and Codes

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Accessing the Printer's Error History . . . . . . . . . . . . . . . . . . . . . . 3-2
Service Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Service RIP (Every Call) Procedures . . . . . . . . . . . . . . . . . . . . . . 3-4
Overview for Troubleshooting Error Codes . . . . . . . . . . . . . . . . . . . . . . . 3-5
Using the Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . 3-5
System Startup and POST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Power On Self Test (POST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
POST Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Error Messages and Codes Index Table. . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Error Messages and Codes Procedures. . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Black ATC Sensor Failure, Code 15 . . . . . . . . . . . . . . . . . . . . . . 3-15
Transfer Roller Contact Failure, Code 20
1st BTR Contact or Retract Failure. . . . . . . . . . . . . . . . . . . . . . . 3-18
Accumulator Belt Home Position Took Too Long, Code 30
Accumulator Belt Edge Sensor Failure, Code 32
Unexpected Accumulator Belt Home Sensor Signal, Code 33 . . 3-24
Fuser Main Lamp Failure, Code 35. . . . . . . . . . . . . . . . . . . . . . . 3-25
Install or Reseat Fuser, Code 41 . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Fuser STS (Front) Warm Time Failure, Code 42. . . . . . . . . . . . . 3-27
Fuser SSR1 On Time Failure, Code 43 . . . . . . . . . . . . . . . . . . . . 3-27
Fuser Sub Lamp Overheat Failure, Code 44 . . . . . . . . . . . . . . . . 3-29
Fuser STS (Rear) Failure, Code 45 . . . . . . . . . . . . . . . . . . . . . . . 3-30
Fuser STS (Rear) Warm Time Failure, Code 46 . . . . . . . . . . . . . 3-31
Fuser SSR2 On Time Failure, Code 47 . . . . . . . . . . . . . . . . . . . . 3-31
Fan Failure, Code 48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
Imaging Unit Motor Failure, Code 60 . . . . . . . . . . . . . . . . . . . . . 3-35
Imaging Unit [1] [2] [3] [4] Communications Failure,
Black Imaging Unit Motor Failure. . . . . . . . . . . . . . . . . . . . . . . . 3-37
Waste Cartridge Full Detection Sensor Failure, Code 78 . . . . . . 3-38
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
xiv
Transfer Roller Retract Failure, Code 21. . . . . . . . . . . . . . . . 3-17
Accumulator Belt Home Position Failure, Code 31 . . . . . . . . 3-19
Accumulator Belt Drive Logic Failure, Code 34 . . . . . . . . . . 3-22
Code 70, 71, 72, 73 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36
Phaser 7750 Printer