Xerox Phaser 6100 Service Manual page 138

Troubleshooting
Deterioration of Print Quality In ALL Colors
Example
Problem transferring the intermediate
images to the transfer belt.
Contamination of the paper path.
Problem transferring intermediate
image onto paper.
Deterioration of Print Quality in ONE Color
Example
The toner cartridge for the problem
color is low or at it's end of life.
The toner cartridge sensor is bad.
The paper path is blocked or damaged.
The image transfer is incorrect.
Uneven Color Density
Example
The alignment of the transfer roller or
transfer belt is bad.
The image appears just one time after
a new toner cartridge is installed.
8-8
Possible Cause
Possible Cause
Possible Cause
Sequence of Repair Actions
Check and clean the transfer belt contacts.
Re-install or replace the transfer belt.
Check and clean the printers internal paper path.
Check and clean the transfer roller contacts.
Check and test the transfer T2 solenoid and cam
operation.
Ensure the roller comes properly into contact when
the solenoid operates.
Sequence of Repair Actions
Check the life of the toner cartridge.
Replace if necessary.
Check or replace the toner cartridge.
Check for the correct positioning of the paper.
Re-install the transfer belt.
Replace the transfer belt if necessary.
Sequence of Repair Actions
Re-install or replace the transfer belt or transfer
roller.
Run several test prints to clear.