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2KN/2KP
1-4-67
(40)
The MP solenoid
does not operate.
1. Broken MP solenoid coil.
Check for continuity across the coil. If none, replace the MP sole-
noid.
2. Poor contact in the MP
solenoid connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective engine PWB or
deck PWB.
Run maintenance item U033 and check if the MP solenoid oper-
ates. If not, replace the engine PWB or deck PWB.
(41)
The feedshift sole-
noid does not oper-
ate.
1. Broken feedshift solenoid
coil.
Check for continuity across the coil. If none, replace the feedshift
solenoid.
2. Poor contact in the feed-
shift solenoid connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective engine PWB.
Run maintenance item U033 and check if the feedshift solenoid
operates. If not, replace the engine PWB.
(42)
The fuser web sole-
noid does not oper-
ate.
1. Broken fuser web sole-
noid coil.
Check for continuity across the coil. If none, replace the fuser web
solenoid.
2. Poor contact in the fuser
web solenoid connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective engine PWB.
Run maintenance item U033 and check if the fuser web solenoid
operates. If not, replace the engine PWB.
(43)
The duplex feedshift
solenoid does not
operate.
1. Broken duplex feedshift
solenoid coil.
Check for continuity across the coil. If none, replace the duplex
feedshift solenoid.
2. Poor contact in the
duplex feedshift solenoid
connector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective duplex PWB.
Run maintenance item U033 and check if the duplex feedshift
solenoid operates. If not, replace the duplex PWB.
(44)
The duplex switch-
back solenoid does
not operate.
1. Broken duplex switch-
back solenoid coil.
Check for continuity across the coil. If none, replace the duplex
switchback solenoid.
2. Poor contact in the
duplex switchback sole-
noid connector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective duplex PWB.
Run maintenance item U033 and check if the duplex switchback
solenoid operates. If not, replace the duplex PWB.
(45)
The cleaning lamp
does not turn on.
1. Poor contact in the clean-
ing lamp connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Defective engine PWB.
If the cleaning lamp turns on when YC5-5 on the engine PWB go
low, replace the engine PWB.
3. Defective cleaning lamp.
Replace the cleaning lamp even if checking or correcting other
measures.
Problem
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: ......