Fuser Firmware Failure - Xerox Phaser 6300 Service Manual

Fuser Firmware Failure

A failure was detected in the Fuser Firmware.
Applicable Status Code:
Code 76:
Fuser Firmware (CRUM) Failure.
Troubleshooting Reference Table
Applicable Parts
Fuser, PL5.1.1
FSR/ADC Harness, PL5.2.28
Engine Control Board, PL9.1.16
Warning
Avoid the potential of electric shock by removing the power cord from the
wall outlet prior to performing the following procedure.
Caution
Allow adequate time for the Fuser to cool before servicing the printer.
Troubleshooting Procedure Table
Step Actions and Questions
1 Check the Fuser for damage.
Is the Fuser damaged?
2 Check the Fuser connection for damage.
Any broken or bent pins?
3
Replace the Fuser.
Does the error persist?
4 Check all pins on the FSR/ADC Harness
PL5.2.28 for continuity.
1. Disconnect P/J36 and P/J361.
2. Check continuity between J36 <=> J361.
3-74
Wiring and Plug/Jack References
Print Engine Map 2 - P/J Locator (page 10-6)
Print Engine Map 3- P/J Locator (page 10-7)
Print Engine Fuser Wiring (page 10-22)
Phaser 6300/6350 Color Laser Printer Service Manual
Yes
Replace the Fuser
(page 8-5).
Repair or replace
the parts.
Go to Step 4.
Replace the Engine
Control Board
(page 8-104).
No
Go to Step 2.
Go to Step 3.
Complete
Replace the FSR/
ADC Harness.