Xerox Phaser 6100 Service Manual page 148

Troubleshooting
Fuser Error Low Temperature
The temperature of the fuser is lower than the
Printing temperature.
The Fuser harness is not connected properly.
Fuser Error High Temperature
The temperature of the fuser is higher than the
printing temperature.
Laser Unit Error
There is a fault in the laser unit.
8-18
1. Verify the fuser is installed correctly.
If not, re-install.
2. Check the AC power to the fuser (copper contact.)
If bad, go to step 3, otherwise, go to step 4.
3. Replace the fuser.
4. Check the harness connected to the LVPS (CN2) and
fuser.
Reseat the harness or replace if defective.
5. Replace the main board.
6. Replace the LVPS.
1. Replace the fuser.
Caution: You must replace the complete fuser assembly if
a Fuser Error High Temp has occurred. Do not replace
the thermistor.
2. Check the harness connected to the LVPS (CN2) and
fuser.
Reseat the harness or replace if defective.
3. Replace the main board.
4. Replace the LVPS.
1. Use EDC mode to test the HSYNC signal and laser
motor.
2. Check the harness (CN12) main board to the engine
controller and laser.
Reseat the harness or replace if defective.
3. Replace the Laser.