White Band Service Check - Lexmark C720 Service Manual

5024-001

White Band Service Check

A white banding line appears, in the horizontal direction, causing a
missing image.
FRU
1 Check Transfer Unit
2 Transfer Roller
3 TR Cam Clutch (TRCM)
4 Transfer Unit
2-100
Service Manual
Action
Transfer unit installation failure and
deformation of the transfer roller.
Ensure the transfer unit is properly
installed and locked on both sides.
Contact failure on the transfer roller
bias pole.
Ensure the transfer unit is properly
installed.
TR cam clutch failure.
Replace the transfer unit.