Fuser Failure/Low Heat/Or Overheat/ 0X56/0X57/0X58 - Xerox Phaser 3425 Service Manual

Fuser Failure/Low Heat/or Overheat/ 0x56/
0x57/0x58
The printer's front panel displays "Fuser Failure, Engine Fuser Over Heat Error, or
Engine Fuser Low Heat Error". The fuser has been removed, reseated, and locked into
place. Any obstructions, media, or debris has been removed from the fuser paper path.
Printer power has been cycled and the error still appears.
Troubleshooting Reference
Applicable Parts
Fuser heat lamp
Fuser overheat thermostat
Thermistor
Main Board
Troubleshooting Procedure
Steps Actions and Questions
Remove Fuser
1
Check resistance of overheat thermostat.
2
Is thermostat open?
Check resistance of thermistor. Is
3
thermistor open?
Check resistance of heat lamp. Is heat
4
lamp open?
3-14
Wiring and Plug/Jack Map References
"Print Engine Interconnect Diagram" on page 10-2
Yes
Go to Step 2.
Replace Fuser.
Replace Fuser.
Replace Fuser.
Phaser 3425 Laser Printer Service Manual
No
- -
Go to Step 3.
Go to Step 4.
Replace Main
Board.