2NP
1-4-84
(9)
Developer fan
motor 2/3 does not
operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Developer fan motor 2/3 and engine connect PWB (YC13)
engine connect PWB and engine PWB (YC4)
2. Defective motor.
Replace the developer fan motor 2/3.
3. Defective PWB.
Replace the engine PWB or the engine connect PWB and
check for correct operation (see page 1-5-39).
(10)
LSU fan motor
does not operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
LSU fan motor and engine connect PWB (YC13)
Engine connect PWB and engine PWB (YC4)
2. Defective motor.
Replace the LSU fan motor.
3. Defective PWB.
Replace the engine PWB engine connect PWB and check
for correct operation (see page 1-5-39).
(11)
IH fan motor does
not operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
IH fan motor and engine PWB (YC18)
2. Defective motor.
Replace the IH fan motor.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-39).
(12)
Fuser fan motor
does not operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Fuser fan motor and engine PWB (YC23)
2. Defective motor.
Replace the Fuser fan motor.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-39).
(13)
Container / IH coil
fan motor does not
operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Container / IH coil fan motor and engine PWB (YC18)
2. Defective motor.
Replace the container / IH coil fan motor.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-39).
(14)
Imaging fan motor
does not operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Imaging fan motor and engine connect PWB (YC9)
Engine connect PWB and engine PWB(YC4)
2. Defective motor.
Replace the Imaging fan motor.
3. Defective PWB.
Replace the engine PWB or engine connect PWB and
check for correct operation (see page 1-5-39).
Problem
Causes
Check procedures/corrective measures
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...