2KN/2KP
1-4-47
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.
Loose connection
of the rear clincher
motor connector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Malfunction of the
rear clincher motor.
Replace the rear clincher motor and check
for correct operation.
Malfunction of the
rear clincher home
position sensor.
Replace the rear clincher home position
sensor and check for correct operation.
Loose connection
of the rear clincher
home position sen-
sor connector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
C8300
Document finisher* centerfold unit
communication problem
• Communication with the centerfold
unit is not possible although the con-
nection is detected.
Loose connection
of the centerfold
unit set switch con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective center-
fold unit set switch.
Replace the centerfold unit set switch and
check for correct operation.
Defective center-
fold unit main
PWB.
Replace the centerfold unit main PWB and
check for correct operation.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
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.
Loose connection
of the side registra-
tion guide motor
connector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Malfunction of the
side registration
guide motor.
Replace the side registration guide motor
and check for correct operation.
Malfunction of the
side registration
guide home posi-
tion sensor.
Replace the side registration guide home
position sensor and check for correct opera-
tion.
Loose connection
of the side registra-
tion guide home
position sensor
connector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective center-
fold unit main
PWB.
Replace the centerfold unit main PWB and
check for correct operation.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Page 520: ......
Page 521: ......