Trouble On Paper Feeding - Epson Stylus Pro 4910 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910

2.6 Trouble on Paper Feeding

This section describes the possible trouble on paper feeding and its causes, and their remedies.
Symptom
Paper is not fed correctly from the paper
cassette.
Paper cannot be fed as rear manual feed
from the roll paper feed slot on the rear
normally.
TROUBLE SHOOTING
Table 2-4. Trouble on Paper Feeding
Cause
Multiple-sheet feed occurred because
the sheets stuck to each other.
Paper feed rollers are not working.
Misadjustment of PE Sensor
PE Sensor is not working.
Trouble on Paper Feeding
Check Item
Is paper set correctly in Paper Cassette?
Check Pickup Roller and Retard Roller if any paper dust
accumulation, damage and such.
Rear AD Adjustment was done correctly?
Perform Sensor Check of the service program to check if
PE Sensor operates normally. (See P.394)
Is the sensor working properly?
Revision A
Remedy
Remove Paper Cassette once and set the paper
once again. (Make sure not to set the paper with
Paper Cassette attached to the printer.)
Set the sheets again after flipping through them
well.
Do not refill paper.
To "refill paper" is:
To fill new paper on the remaining paper
which you took out from the package and
set in Paper Cassette.
To fill paper from different packages on top
of each other in Paper Cassette.
If any paper dust accumulation on the roller,
feed a plain paper sheet several times to remove
the paper dust.
If not improved even though they are cleaned,
replace the following.
Pickup Roller (See P.204)
Retard Roller Sensor (See P.206)
Perform Rear AD Adjustment. (See P.372)
If not, replace PE Sensor. (See P.188)
Confidential
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