Print Quality-Random Marks; Print Quality-Residual Image - Lexmark C52 series Service Manual

5022-xxx
Print quality—random marks
Service tip: The primary cause of random marks is due to loose material moving around inside the printer and
attaching to the photoconductor unit, developer roll, or transfer belt.
Step Questions / actions
1 Is there any loose or foreign material on the
photoconductor unit?
2 Is there any loose or foreign material on the
cartridge roll?
3 Is there any loose or foreign material on the
transfer belt?
Print quality—residual image
Service tip: Install a new print cartridge if available before doing this service check. Residual image can be
caused by the photoconductor, cleaning blade, and other parts inside the print cartridge.
Step Questions / actions
1 Is there any toner contamination on the fuser
assembly?
2-60
Service Manual
Yes
Replace the photoconductor
unit. See "Photoconductor
unit removal" on
page 4-70.
Replace the print cartridge.
Replace the transfer belt.
See "Transfer belt
removal" on page 4-103.
Yes
Replace the fuser. See
"Fuser removal" on
page 4-60.
No
Go to step 2.
Go to step 3.
Contact your next level of
support.
No
Contact your next level of
support.