Xerox 6250N Service Manual - Page 154
Fuser Firmware Failure
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UPC - 095205770407
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Page 154 highlights
Troubleshooting Procedure Table Steps Actions and Questions Yes No 9 Check J71 J140 on the EEPROM Replace the Engine Replace the Harness Assembly for continuity. Control Board, EEPROM Use the wiring diagram "Fuser Assembly" page 8-107. Harness on page 10-21. Assembly, PL 13.1.10. Fuser Firmware Failure Code 76: The CRUM firmware has failed. Troubleshooting Reference Table Applicable Parts EEPROM Board, PL 10.1.14 FSR 4 Harness Assembly, PL 5.1.9 Wiring and Plug/Jack Map References "Fuser Assembly" on page 10-21 "Laser Unit" on page 10-22 Warning To avoid the potential of electric shock, ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing Step 2 of the following troubleshooting procedure.. Troubleshooting Procedure Table Step 1 2 3 4 5 Actions and Questions Yes Check the Fuser Assembly for evidence Replace the parts of fault or damage. concerned. Remove the Fuser Assembly and check Replace the parts for broken or bent pins. concerned. Does the error recur after the Fuser Assembly has been replaced with a new one? Go to Step 4. Are P/J 144 and P/J 145 on the EEPROM Go to Step 5. board properly seated and defect free? Check continuity of Harness Assembly (FSR4) between J145 J232. Refer to the wiring diagram "Fuser Assembly" on page 10-21. Go to Step 6. No Go to Step 2. Go to Step 3. Complete Replace the EEPROM board page 8-86. Replace the Assembly, Harness (FSR4) PL 5.1.9. Error Messages and Codes 3-73
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