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2KN/2KP
1-4-48
C8320
Document finisher* centerfold unit
centering plate problem
• During initialization, the centering plate
is not detected in the home position
when the centering plate returns to the
home position.
Loose connection
of the centering
plate motor con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Malfunction of the
centering plate
motor.
Replace the centering plate motor and
check for correct operation.
Malfunction of the
centering plate
home position sen-
sor.
Replace the centering plate home position
sensor and check for correct operation.
Loose connection
of the centering
plate home posi-
tion sensor 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 main
PWB.
Replace the centerfold unit main PWB and
check for correct operation.
C8330
Document finisher* centerfold blade
problem
• During initialization, the centerfold
blade is not detected in the home posi-
tion within a specified period of time.
Loose connection
of the centerfold
blade motor con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Malfunction of the
centerfold blade
motor.
Replace the centerfold blade motor and
check for correct operation.
Malfunction of the
centerfold blade
home position sen-
sor.
Replace the centerfold blade home position
sensor and check for correct operation.
Loose connection
of the centerfold
blade home posi-
tion sensor 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 main
PWB.
Replace the centerfold unit main PWB and
check for correct operation.
C9040
DP lift motor going up error
• The pulse count raised to 10000 at lift-
ing, however, the DP lift upper limit
switch could not be turned on. After
one time retry, the DP lift upper limit
switch could not be turned on.me.
Loose connection
of the DP lift motor
connector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Malfunction of the
DP lift motor.
Replace the DP lift motor and check for cor-
rect operation.
Malfunction of the
DP lift upper limit
switch.
Replace the DP lift upper limit switch and
check for correct operation.
Loose connection
of the DP lift upper
limit switch con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective DP main
PWB.
Replace the DP 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: ......