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2KN/2KP
1-4-72
DP
Problem
Causes
Check procedures/corrective measures
(1)
The original feed
motor does not oper-
ate.
1. Poor contact in the origi-
nal feed motor connector
terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken original feed
motor gear.
Check visually and replace the original feed motor if necessary.
3. Defective original feed
motor.
Run maintenance item U243 and check if the original feed motor
operates. If not, replace the original feed motor.
4. Defective DP main PWB. Run maintenance item U243 and check if the original feed motor
operates. If not, replace the DP main PWB.
(2)
The original convey-
ing motor does not
operate.
1. Poor contact in the origi-
nal conveying motor con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken original convey-
ing motor gear.
Check visually and replace the original conveying motor if neces-
sary.
3. Defective original con-
veying motor.
Run maintenance item U243 and check if the original conveying
motor operates. If not, replace the original conveying motor.
4. Defective DP main PWB. Run maintenance item U243 and check if the original conveying
motor operates. If not, replace the DP main PWB.
(3)
The original registra-
tion motor does not
operate.
1. Poor contact in the origi-
nal registration motor
connector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken original registra-
tion motor gear.
Check visually and replace the original registration motor if neces-
sary.
3. Defective original regis-
tration motor.
Run maintenance item U243 and check if the original registration
motor operates. If not, replace the original registration motor.
4. Defective DP main PWB. Run maintenance item U243 and check if the original registration
motor operates. If not, replace the DP main PWB.
(4)
The DP lift motor
does not operate.
1. Poor contact in the DP lift
motor connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
2. Broken DP lift motor
gear.
Check visually and replace the DP lift motor if necessary.
3. Defective DP lift motor.
Run maintenance item U243 and check if the DP lift motor oper-
ates. If not, replace the DP lift motor.
4. Defective DP main PWB. Run maintenance item U243 and check if the DP lift motor oper-
ates. If not, replace the DP main PWB.
(5)
The DP fan motor 1
does not operate.
1. Broken DP fan motor 1
coil.
Check for continuity across the coil. If none, replace the DP fan
motor 1.
2. Poor contact in DP fan
motor 1 connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
(6)
The DP fan motor 2
does not operate.
1. Broken DP fan motor 2
coil.
Check for continuity across the coil. If none, replace the DP fan
motor 2.
2. Poor contact in DP fan
motor 2 connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
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: ......