User`s guide

Flowcharts and TablesTroubleshooting
Table 23. Toner on Back of Page
Step Check Result Action
1 Is the toner smudge in a
small area behind the
upper-left corner of the
page?
Ye s
No
Clean or replace the pickup roller.
Clean with a dry, lint-free cloth or
replace the transfer roller, transfer
guide assembly, or lower fuser roller.
Table 24. Cannot Print in PhotoGrade
Step Check Result Action
1 Have you upgraded printer
memory to 12 MB of RAM?
No You must have a minimum of 12 MB of
RAM to run PhotoGrade at 600 dpi.
Table 25. Repetitive Defects
Step Check Result Action
1 Try a known-good toner
cartridge. Does the
problem persist?
No Problem solved.
2 Does the symptom occur
on a service test page?
No Replace the I/O board.
3 Is the repetitive staining
along the left edge of the
paper?
Yes Clean the feeder rollers with a dry,
lint-free cloth.
4 Interrupt a print cycle (see
“Interrupting a Print Cycle”
under “Troubleshooting
Tips”). Is the symptom
present on the drum?
Ye s
No
Clean or replace the pickup/transfer
rollers and guides as required.
Clean or replace the fuser or delivery
rollers.