Printer Symptoms And General Troubleshooting; Fuser Error; Laser Error; Fuser Does Not Work Due To The Drive Gear Having Heat Damage - Xerox Phaser 6100 Service Manual

8.4 Printer Symptoms and General Troubleshooting

8.4.1 Fuser Error

Warning
THE FUSER IS HOT! Use caution and allow the fuser cool down before handling.
Symptoms: "Fuser Error Low/High Temperature" is displayed on the control panel.
Checks and Causes
Check the continuity of the thermostat, AC wire and
heat lamp.
Check the continuity of the thermistor and
thermistor harness contacts.
Check the fuser for any evidence of damage due to
overheating or melting.

8.4.2 Laser Error

Symptoms: "Laser Unit Error" is displayed on the control panel.
Checks and Causes
Check the laser connetor CN12 to the main board.
Check the laser motor.

8.4.3 Fuser Does Not Work Due to the Drive Gear Having Heat Damage

Symptoms: The fuser gears warp and the roller drive fails.
Checks and Causes
The fuser makes a noise and fails to operate, rollers
may not rotate.
Repair Actions
Replace the fuser if any of these circuits are open.
Replace the fuser.
Repair Actions
Reseat the connector or replace the laser unit if necessary.
If the same error recurs, replace the main board.
Repair Actions
Replace the fuser.
Replace the main board.
Replace the LVPS.
Troubleshooting
Service Manual 8-13