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Troubleshooting the Printing System 7-71
Table 7-29. Toner Specks
Possible Cause Action
Contamination in
printer.
1. Print a few more pages to see if the problem
corrects itself.
2. Clean the inside of the printer (page 4-2) or use
the printer’s cleaning page (page 4-4).
Paper does not meet
printer specifications
or is stored
improperly.
1. Print a few more pages to see if the problem
corrects itself.
2. Turn over the stack of paper in the tray. Also try
rotating the paper 180°.
3. Check the paper (or other print media) type and
quality. Replace the paper, and advise the customer
to use the recommended paper and store it properly.
Alternating small and
standard paper (such
as envelopes and
letterhead).
To alternate small and standard paper, from the
Configuration Menu on the Control Panel, set
SMALL
PAPER SPEED=SLOW
.
Table 7-30. Vertical Black Lines
Possible Cause Action
Defective Toner
Cartridge.
Replace the Toner Cartridge.
Contaminated Fuser
Entrance Guide.
Clean the Guide.
Scratches on the
Fuser.
Replace the Fuser.