Kyocera TASKalfa 7002i Service Manual page 1094

Step Check description
6 (When multifeed occurs)
Reloading the paper
7 Checking the paper
8 Checking the paper
9 Checking the paper
10 Checking the paper
11 Checking the registration
sensor
12 Checking the registration
motor
13 Checking the drive parts
14 Checking the connection
15 Replacing the feed PWB
Assumed cause
The cut-end of the paper is
crushed.
The paper leading edge is
bent.
Paper gets curled down-
ward or waving.
Unspecified papers are
used.
foreign objects are on the
paper.
The registration sensor
does not operate properly.
The registration motor
does not properly operate.
The drive from the registra-
tion motor is not properly
transmitted.
The connector is not prop-
erly connected or the wire
is faulty.
The feed PWB is faulty.
7-234
Measures
Fan the paper well and load it
by reversing the paper direc-
tion
Remove the bent paper.
Fix or replace paper. If it is
difficult to replace, relocate
the leading edge with the
trailing edge of the paper to
feed or turn over the paper,
and reinstall it.
Explain to the user to use the
paper within the specifica-
tions.
Remove the paper with for-
eign objects.
Turn the registration sensor
on and off manually and
check the indication at U031
[Regist]. If the registration
sensor does not properly
operate, clean and reattach it
and reinsert the connector. If
not repaired, replace it.
Execute U030 [Regist]. If the
registration motor does not
properly operate, reattach it
and reinsert the connector. If
not repaired, replace it.
Check if the registration
motor smoothly rotates by a
hand. Then, clean and reat-
tach the drive parts if neces-
sary. If not repaired, replace
them.
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• Registration
sensor - Feed PWB• Regis-
tration motor - Feed PWB•
Feed PWB - Engine PWB
Replace the feed PWB.
2WA/2NJ/2RK
Reference
Executing
U031
U030 Exe-
cution
Wiring dia-
gram