Kyocera TASKalfa 7002i Service Manual page 1147

J7000: DF staple jam
Object: 4000-sheet finisher
The DF staple home position cannot be detected after activating the DF staple motor. Or the motor lock-up
was detected during the DF staple motor operation.
Step Check description
1 Checking the staple
2 Checking the DF staple
motor
3 Checking the DF staple
relay PWB
4 Checking the DF main
PWB
Assumed cause
Check if the upper BF reg-
istration guide shifts manu-
ally, and reattach it if it
does not smoothly shift.
The DF staple motor does
not properly operate.
The connector is not prop-
erly connected or the wire
or PBW is faulty.
The connector is not prop-
erly connected or the wire
or PBW is faulty.
7-287
Measures
Check if the lower BF regis-
tration guide shifts manually,
and reattach it if it does not
smoothly shift.
Execute U240 [Motor] > [Sta-
ple]. If the DF staple motor
does not properly rotate, reat-
tach the DF staple unit and
reinsert the connector. If not
repaired, replace it.
Reconnect all the connector
to the DF staple relay PWB.
Then, fix or replace the wires
if they are pinched by other
part or if they have any dam-
age. When the issue is not
resolved, replace the DP
main PWB.
Reconnect all the connector
to the DF main PWB. Then,
fix or replace the wires if they
are pinched by the other part
or if they have any damage.
When the issue is not
resolved, replace the DF
main PWB.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
staple unit
Detaching
and reat-
taching the
DF main
PWB