2-80 Service Manual
7541-03x
Scan / copy
ADF streaks
Clipped image when scanning to USB from the ADF
Feed the ADF from the short edge of the paper.
Evenly spaced marks on the
paper, or a single mark in the
same place on every page.
Go to “Transfer belt up down check” on page 2-97.
Poor fusing. Go to “121.05 Fuser - fuser heater error” on page 2-48.
Toner scatter on front or back of
paper.
Check the following:
• Excessive toner buildup on the transfer belt. Clean off the toner, and
run a test print.
• Transfer belt assembly
• Transfer belt toner waste bottle
• Transfer belt separation fingers
• Fuser separation pawl
Paper will not feed from MPF. Be sure you have paper in the MPF.
Check the paper size and type. Does it match the paper setting on the
printer?
Be sure the MPF paper present sensor connector (CN16) is connected to
the CK1 daughter board. If the paper still does not feed, go to “Paper
path service checks” on page 2-24.
ON / OFF switch automatically
switching to the Off position.
Machine shutting down.
Go to “ON / OFF switch automatically switching to the Off position
service check” on page 2-48.
Step Questions / actions Yes No
1 Do streaks appear on the middle
of scans when using the ADF?
Clean the ADF glass on the
flatbed using a lint-free cloth.
Kit 40X0392 is available for
cleaning the glass on the
flatbed.
Also, clean the separator roll
and pad with a damp cloth.
No issue to fix.
Symptom Action