J3705/J3706/J3707 Pf Exit Sensor Non-Arrival Jam - Kyocera TASKalfa 7002i Service Manual

Step Check description
16 Checking the connection
17 Replacing the PF main
PWB
18 Replacing the engine PWB The engine PWB is faulty.
J3705/J3706/J3707: PF exit sensor non-arrival jam
Object: Side multi feeder + Paper feeder, or Side multi feeder + Large capacity feeder
The PF exit sensor does not turn on after PF conveying sensor 1 turns on when the multi-feeding is detected
during paper feed from cassette 5-7.
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
Assumed cause
The connector is not prop-
erly connected or the wire
is faulty.
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.
7-222
Measures
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• PF conveying
sensor 3 - PF main PWB• PF
conveying clutch 3 - PF main
PWB• PF feed motor - PF
main PWB• PF main PWB -
Engine PWB
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.
2WA/2NJ/2RK
Reference
Wiring dia-
gram
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