Xerox Phaser 6300 - Fuser Failure

3-68 Phaser 6300/6350 Color Laser Printer Service Manual
Fuser Failure
The Fuser temperature regulation has failed.
Applicable Status Codes:
Code 40: The temperature sensor sensed an overheat condition.
Code 41: The temperature sensor sensed a low temperature condition.
Code 42: Temperature sensor not providing an output.
Code 43: Warm up failure.
W
arn
i
ng
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 Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Fuser, PL5.1.1
■ FSR/ADC Harness, PL5.2.28
■ LVPS, PL9.1.6
■ Engine Control Board, PL9.1.16
■ 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)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the Fuser label for the correct rating.
Is the Fuser properly rated (110v / 220v)?
Go to Step 2. Replace the Fuser
(
page 8-5).
2
Check the Fuser for damage.
Is the Fuser connector damaged?
Replace the Fuser
(
page 8-5).
Go to Step 3.
3
Replace the Fuser (page 8-5).
Does the error persist?
Go to Step 4. Complete
4
Replace the LVPS (page 8-99).
Does the error persist?
Go to Step 5. Complete
5
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.
Replace the Engine
Control Board
(
page 8-104).
Replace the FSR/
ADC Harness.