Kyocera TASKalfa 7002i Service Manual page 982

J0511/J0512: Multi-feeding from the cassette
The feed sensor does not run off when passing the certain time after it turns on during paper feed from cas-
sette 1, 2.
Step Check description
1 Checking the paper
2 Checking the paper
3 Checking the paper
4 Setting the cassette heater The paper is damp.
5 Checking the retard pulley
6 Checking the retard spring The retard spring comes
7 Checking the paper feed
clutch
8 Checking the feed sensor
Assumed cause
The cut-end of the paper is
crushed.
The paper leading edge is
bent.
foreign objects are on the
paper.
The paper separation force
of the retard pulley is not
enough.
off.
The feed clutch always
turns on.
The feed sensor does not
properly operate.
7-122
Measures
Fan the paper well and load it
by reversing the paper direc-
tion
Remove the bent paper.
Remove the paper with for-
eign objects.
[Cassette heater standard
model]Connect the cassette
heater and set U327 if neces-
sary. Also, ask users to store
paper in a dry place. Put the
dry paper into the plastic bag
and seal it to prevent mois-
ture.[Cassette heater optional
model]Install the cassette
heater and set U327 if neces-
sary. Also, ask users to store
paper in a dry place. Put the
dry paper into the plastic bag
and seal it to prevent mois-
ture.
Clean the retard pulley sur-
face. If it is worn down,
replace it.
Reattach the retard spring.
Execute U032 [Feed1] or
[Feed2]. If feed clutch 1 or 2
does not properly operate,
reattach it and reinsert the
connector. If not repaired,
replace the clutch.
Reattach feed sensor 1, 2
and reinsert the connector. If
not repaired, replace the sen-
sor.
2WA/2NJ/2RK
Reference
Installing
the cas-
sette
heater
Detaching
and reat-
taching the
pickup pul-
ley, feed
pulley and
retard pul-
ley
Executing
U032