4-8 Phaser 3300MFP Service Manual
General Troubleshooting
Paper Feeding Problems
Wrong Print Position
Printing begins when the paper is in the wrong position.
Multi-Feeding
Multiple sheets of paper are fed at once.
Paper rolled in the fuser
Paper rolled in the fuser 100.5 mm
Check and Cause Solution
A defective feed sensor actuator can
cause incorrect timing.
Replace the defective actuator.
Check and Cause Solution
1. Solenoid malfunction (the solenoid
does not work properly).
1. Replace the solenoid if necessary.
2. Friction-pad is contaminated with
foreign matter. (oil.)
2. Clean the friction-pad with soft cloth
dampened with water.
3. The face of paper is smudged. 3. Use the smooth paper.
Check and Cause Solution
1. Contamination of the pressure roller or
heat roller.
(Background, Hot off set).
1. After disassembling the fuser, clean
contamination between the heat roller
and the thermistor and remove the
contamination of the pressure roller.
2. Check the claw of the fuser whether it
is deformed.
2. If there is heavy background, repair it
by the background troubleshooting
method.
3. Clean the surface of the heat roller with
IPA or water.
4. Check the warp or separation of the
print claw and the holder plate claw, and
then manage it.