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Code
C8240
Document finisher* rear clincher
problem
• During initialization, the rear clincher is
not detected in the home position
within 500 ms after the rear clincher
returns to the home position. JAM90 is
indicated the first time this problem
occurs. If the problem occurs after ini-
tialization when the front cover is
opened and closed, the problem is in
the rear clincher.
• When the rear clincher is operated
from the home position, the rear
clincher home position sensor does
not turn off within 500 ms.
C8300
Document finisher* centerfold unit
communication problem
• Communication with the centerfold
unit is not possible although the con-
nection is detected.
C8310
Document finisher* centerfold unit
side registration guide problem
• During initialization, the front/rear side
registration guides are not detected in
the home position within 600 ms after
the guide returns to the home position.
• When the side registration guide is
operated from the home position, the
side registration guide home position
sensor does not turn off within 100 ms.
Y104350-7
Contents
Causes
Check procedures/corrective measures
Loose connection
Reinsert the connector. Also check for conti-
of the rear clincher
nuity within the connector cable. If none,
motor connector.
remedy or replace the cable.
Malfunction of the
Replace the rear clincher motor and check
rear clincher motor.
for correct operation.
Malfunction of the
Replace the rear clincher home position
rear clincher home
sensor and check for correct operation.
position sensor.
Loose connection
Reinsert the connector. Also check for conti-
of the rear clincher
nuity within the connector cable. If none,
home position sen-
remedy or replace the cable.
sor connector.
Defective finisher
Replace the finisher main PWB and check
main PWB.
for correct operation.
Loose connection
Reinsert the connector. Also check for conti-
of the centerfold
nuity within the connector cable. If none,
unit set switch con-
remedy or replace the cable.
nector.
Defective center-
Replace the centerfold unit set switch and
fold unit set switch.
check for correct operation.
Defective center-
Replace the centerfold unit main PWB and
fold unit main
check for correct operation.
PWB.
Defective finisher
Replace the finisher main PWB and check
main PWB.
for correct operation.
Loose connection
Reinsert the connector. Also check for conti-
of the side registra-
nuity within the connector cable. If none,
tion guide motor
remedy or replace the cable.
connector.
Malfunction of the
Replace the side registration guide motor
side registration
and check for correct operation.
guide motor.
Malfunction of the
Replace the side registration guide home
side registration
position sensor and check for correct opera-
guide home posi-
tion.
tion sensor.
Loose connection
Reinsert the connector. Also check for conti-
of the side registra-
nuity within the connector cable. If none,
tion guide home
remedy or replace the cable.
position sensor
connector.
Defective center-
Replace the centerfold unit main PWB and
fold unit main
check for correct operation.
PWB.
Sevice Manual
Remarks
1-5-43
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