
2NP
1-4-85
(15)
Paper feed clutch 1
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.
Paper feed clutch 1 and engine PWB (YC25)
2. Defective clutch.
Replace the paper feed clutch 1.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-33).
(16)
Paper feed clutch 2
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.
Paper feed clutch 2 and engine PWB (YC28)
video PWB and main PWB
2. Defective clutch.
Replace the paper feed clutch 2.
3. Defective PWB.
Replace the engine PWB or the main PWB and check for
correct operation (see page 1-5-48, 1-5-31).
(17)
Mid clutch 1 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.
Mid clutch 1 and engine PWB (YC25)
2. Defective clutch.
Replace the mid clutch 1.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-33).
(18)
Mid clutch 2 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.
Mid clutch 2 and engine PWB (YC28)
2. Defective clutch.
Replace the mid clutch 2.
3. Defective PWB.
Replace the engine PWB or the main PWB and check for
correct operation (see page 1-5-48, 1-5-31).
(19)
Registration clutch
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.
Registration clutch and engine PWB (YC25)
2. Defective clutch.
Replace the registration clutch.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-33).
(20)
Duplex clutch 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.
Duplex clutch and engine PWB (YC25)
2. Defective clutch.
Replace the duplex clutch.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-33).
Problem
Causes
Check procedures/corrective measures
Se
r
vice Manual
Y1
16
1
41-8
Summary of Contents for d-Color MF2552 plus
Page 1: ...SERVICE MANUAL Multifuction Digital Copier d Color MF2552 plus Code Y116141 8...
Page 4: ......
Page 10: ...This page is intentionally left blank...
Page 24: ...Y116141 8 Service Manual...
Page 86: ...2NP 1 1 2 62 This page is intentionally left blank Y116141 8 Service Manual...
Page 298: ...2NP 1 3 212 This page is intentionally left blank Y116141 8 Service Manual...
Page 458: ...2NP 1 5 56 This page is intentionally left blank Y116141 8 Service Manual...
Page 482: ...2NP 2 1 22 This page is intentionally left blank Y116141 8 Service Manual...
Page 540: ...2NP 2 3 48 This page is intentionally left blank Y116141 8 Service Manual...
Page 569: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide...
Page 605: ...DP 773 Document processor Installation Guide...
Page 631: ...PF 791 500 x 2 Paper feeder Installation Guide...
Page 639: ...PF 810 3000 sheets deck Installation Guide...
Page 652: ...DF 770 D Document finisher Installation Guide...
Page 670: ...AK 740 Bridge unit Installation Guide...
Page 672: ...PH 7A C D Punch unit Installation Guide...
Page 693: ...DT 730 B Document tray Installation Guide...
Page 695: ...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 696: ...FAX System W B Installation Guide...