Fuser Failure And 0503 Thermistor Failure - Xerox Phaser 6121MFP Service Manual

0500 Fuser Failure and 0503 Thermistor Failure

Phaser 6121MFP Service Manual
The thermistor does not detect the specified temperature and the warm-up cycle
is not completed even after the lapse of a given period of time.
Initial Actions
Power down and reboot the printer.
Procedure
Troubleshooting Reference Table
Applicable Parts
Fuser, PL4.0.13
Engine Control Board, PL13.0.20
Power Supply, PL13.0.17
Troubleshooting Procedure Table
Step Action and Questions
1 Check that the Fuser is installed
correctly and reseat it.
Does the problem persist?
2 Change the Fuser (page 8-9), and then
turn the printer on, open the top cover,
and press the following keys in this
order: 2 > 6 > 2 > 3 > 7. Turn the printer
off and then back on.
Does the problem persist?
3
Replace the Engine Control Board
(page 8-59).
Does the problem persist?
4 Replace the Power Supply (page 8-72).
Error Messages and Codes
Wiring and Plug/Jack References
Board Locations (page 2-10)
Map 1 - Engine Control Board
Plug/Jack Locator (page 10-5)
Power Supply Wiring (page 10-17)
Yes No
Go to step 2 Complete.
Go to step 3. Complete.
Go to step 4. Complete.
Complete.
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