Kyocera TASKalfa 7002i Service Manual page 993

Step Check description
5 Checking the retard pulley
6 Checking the PF retard
spring
7 Checking the installation
8 Checking the connection
11 Checking the PF paper
feed clutch
10 Checking the PF paper
feed sensor
9 Checking the connection
12 Replacing the PF main
PWB
13 Replacing the engine PWB The engine PWB is faulty.
Assumed cause
The paper separation force
of the retard pulley is not
enough.
The PF retard spring
comes off.
The ground between the
main unit and the side
feeder is not secured.
It is not properly connected
to the main unit.
The PF feed clutch always
turns on.
The PF paper feed sensor
does not operate properly.
The connector is not prop-
erly connected or the wire
is faulty.
The PF main PWB is
faulty.
7-133
Measures
Clean the retard pulley sur-
face. If it is worn down,
replace it.
Reattach the PF retard
spring.
Attach the rails of the side
feeder to the main unit.
Reconnect the cable of the
side feeder to the main unit.
Execute U247 [Side Deck] >
[Clutch] > [C1 Clutch]. If the
PF feed clutch does not prop-
erly operate, reattach it and
reinsert the connector. If not
repaired, replace it.
Reattach the PF feed sensor
and reinsert the connector. If
not repaired, replace the sen-
sor.
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• PF feed clutch
- PF main PWB• PF feed sen-
sor - PF main PWB• PF main
PWB - Engine PWB
Replace the PF main PWB.
Replace the engine PWB.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
pickup pul-
ley, feed
pulley and
retard pul-
ley
Side
Feeder
Installa-
tion Guide
Executing
U247
Wiring dia-
gram
Detaching
and reat-
taching the
PF main
PWB (Side
feeder)
Detaching
and Reat-
taching the
engine
PWB