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2KN/2KP
1-4-60
(5)
The transfer motor
does not operate
(C2550).
1. Poor contact in the trans-
fer motor connector ter-
minals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Defective drive transmis-
sion system.
Check if the rollers and gears rotate smoothly. If not, grease the
bushings and gears. Check for broken gears and replace if any.
3. Defective engine PWB.
Run maintenance item U030 and check if YC4-4 (remote siginal)
on the engine PWB goes low. If not, replace the engine PWB.
4. Defective cassette PWB.
Run maintenance item U030 and check if YC3-3 (remote siginal)
on the cassette PWB goes low. If not, replace the cassette PWB.
5. Defective transfer motor.
Run maintenance item U030 and check if the transfer motor oper-
ates when YC3-3 (remote siginal) on the cassette PWB goes low.
If not, replace the transfer motor.
(6)
Paper feed motor 1
does not operate.
1. Poor contact in paper
feed motor 1 connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken paper feed motor
1 gear.
Check visually and replace paper feed motor 1 if necessary.
3. Defective paper feed
motor 1.
Run maintenance item U030 and check if paper feed motor 1
operates. If not, replace paper feed motor 1.
(7)
Paper feed motor 2
does not operate.
1. Poor contact in paper
feed motor 2 connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken paper feed motor
2 gear.
Check visually and replace paper feed motor 2 if necessary.
3. Defective paper feed
motor 2.
Run maintenance item U030 and check if paper feed motor 2
operates. If not, replace paper feed motor 2.
(8)
Paper feed motor 3
does not operate.
1. Poor contact in paper
feed motor 3 connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken paper feed motor
3 gear.
Check visually and replace paper feed motor 3 if necessary.
3. Defective paper feed
motor 3.
Run maintenance item U030 and check if paper feed motor 3
operates. If not, replace paper feed motor 3.
(9)
Paper feed motor 4
does not operate.
1. Poor contact in paper
feed motor 4 connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken paper feed motor
4 gear.
Check visually and replace paper feed motor 4 if necessary.
3. Defective paper feed
motor 4.
Run maintenance item U030 and check if paper feed motor 4
operates. If not, replace paper feed motor 4.
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: ......