J4001/J4002/J4003/ Registration Sensor Non J4004/J4005/J4006/ Arrival Jam J4007 - Kyocera TASKalfa 7002i Service Manual

Step Check description
19 Replacing the PF main
PWB
20 Replacing the engine PWB The engine PWB is faulty.
J4001/J4002/J4003/J4004/J4005/J4006/J4007: Registration sensor non arrival jam
The registration sensor does not turn on after the middle sensor turns on during paper feed from cassette 1-7.
Step Check description
1 Checking the paper path
2 (When paper skews)
Checking the feed pulley
3 (When paper skews)
Resetting the paper width
guides or the paper size
guide
4 (When the paper skew
occurs) Checking the con-
veying guide
Assumed cause
The PF main PWB is
faulty.
Assumed cause
The paper is caught with a
piece of paper, etc.
Conveying capability of the
feed pulley is not enough.
Setting position of the
paper width guides or the
paper size guide does not
match the paper size.
The paper is caught with
the conveying guide.
7-227
Measures
Replace the PF main 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.
Clean the feed pulley sur-
face. If it is worn down,
replace it.
Reset the paper width guides
or the paper size guide
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.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
PF main
PWB (Side
multi
feeder)
Detaching
and Reat-
taching the
engine
PWB
Reference
Detaching
and reat-
taching the
pickup pul-
ley, feed
pulley and
retard pul-
ley