Kyocera TASKalfa 7002i Service Manual page 1005

Step Check description
14 Checking the connection
15 Replacing the feed PWB
16 Replacing the engine PWB The engine PWB is faulty.
J1313/J1314: Middle sensor stay jam
The middle sensor does not turn off after the conveying sensor turns off or on during paper feed from the large
capacity feeder (cassette 3, 4).
Step Check description
1 Checking the paper path
2 (When paper skews)
Resetting the paper size
guides
3 (When the paper skew
occurs) Checking the con-
veying guide
4 (In case of multi-feeding)
Checking the feed pulley
and the retard pulley
5 Checking the conveying
rollers
Assumed cause
The connector is not prop-
erly connected or the wire
is faulty.
The feed PWB is faulty.
Assumed cause
The paper is caught with a
piece of paper, etc.
Setting position of the
paper size guides does not
match the paper size.
The paper is caught with
the conveying guide.
The paper fanning is not
enough.
The paper conveying force
of the conveying rollers is
insufficient.
7-145
Measures
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• Middle sensor
- Feed PWB• Middle convey-
ing motor - Feed PWB• Feed
PWB - Engine PWB
Replace the feed PWB.
Replace the engine PWB.
Measures
A piece of paper or the for-
eign objects are adhered on
the conveying path, or if the
parts such as the guide or
the actuator has burrs,
remove them.
Reset the paper size guides
matching the paper size.
Reinstall the conveying
guide. If there are burrs on
the conveying surface of the
conveying guide, remove
them. If not repaired, replace
it.
Clean or replace the feed pul-
ley and the retard pulley.
Clean or replace the convey-
ing rollers.
2WA/2NJ/2RK
Reference
Wiring dia-
gram
Detaching
and Reat-
taching the
engine
PWB
Reference
Detaching
and reat-
taching the
pickup pul-
ley, feed
pulley and
retard pul-
ley