82 – C910 Troubleshooting
Dealing with Unsatisfactory Printing
Your envelopes to be printed are
not oriented properly.
Adjust the orientation as required.
Your printer feed roller is dirty. Wipe the roller with a cloth moistened
with water.
Your printer feed rollers are
wearing out.
Replace the feed rollers.
The media weight or type have
been wrongly set.
Select the correct printer menu
settings for [Media Weight] and [Media
Type].
Symptoms Possible causes Steps to take
Vertical white
lines can be
seen on the
printed page.
The LED head is dirty. Wipe the LED head with a
LED lens cleaner or with a
soft cloth.
The toner is low. Replace the toner cartridge.
Foreign materials may
be present in the image
drum.
Replace the image drum
cartridge.
Light-shielding film of
the image drum
cartridge is dirty.
Wipe the film with a LED
lens cleaner or with a soft
cloth.
Printed images
are fading
vertically.
The LED head is dirty. Wipe the LED head with a
LED lens cleaner or with a
soft cloth.
The toner is low. Replace the toner cartridge.
The paper is not suitable
for the printer.
Use recommended paper.
Possible cause Suggested remedy