Xerox Phaser 6100 Service Manual page 137

Low Image Density, Light in ALL Colors
Example
The image on the drum is light.
Poor toner transfer to the transfer belt.
Incorrect transfer belt bias voltage.
Black / White / Colored Lines and Bands
Example
Developing process is contaminated.
Transfer belt is damaged or dirty.
Fuser is damaged or dirty.
Cover glass on the laser unit is
damaged or dirty.
Offset Image
Example
Ghosting on the imaging unit.
Ghosting on the transfer belt.
Toner cartridge is installed incorrectly.
Possible Cause
Possible Cause
Possible Cause
Sequence of Repair Actions
Replace the toner cartridge.
Check and clean the transfer belt contacts.
Re-install or replace the transfer belt.
Check and clean the transfer belt contacts.
Replace the HVPS.
Sequence of Repair Actions
Replace the toner cartridge.
Replace the imaging unit.
Clean or replace the transfer belt.
Run the fuser cleaning page up to 5 times.
Replace the fuser if necessary.
Clean the cover glass on the laser unit.
Replace the laser if the cover glass is damaged.
Sequence of Repair Actions
Replace the imaging unit.
Re-install or replace the transfer belt.
Reseat the toner cartridge.
Service Manual 8-7
Troubleshooting