2NP
1-4-86
(21)
Developer stop
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.
Developer stop clutch and engine PWB (YC16)
2. Defective clutch.
Replace the developer stop clutch.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-33).
(22)
MP solenoid 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.
MP solenoid and engine PWB (YC25)
2. Defective solenoid.
Replace the MP solenoid.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-33).
(23)
Feedshift solenoid
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.
Feedshift solenoid and engine PWB (YC21)
2. Defective solenoid.
Replace the Feedshift solenoid.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-33).
(24)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette 1.
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 sensor 1/2 and engine connect PWB (YC7)
Engine connect PWB to engine PWB (YC4)
2. Deformed actuator of
the paper sensor.
Check visually and replace if necessary.
3. Defective paper sen-
sor.
Replace the paper sensor 1/2.
4. Defective PWB.
Replace the engine PWB or engine connect PWB and
check for correct operation (see page 1-5-33).
(25)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette 2.
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 sensor 3/4 and engine PWB (YC27)
Video PWB to main PWB (YC9)
2. Deformed actuator of
the paper sensor.
Check visually and replace if necessary.
3. Defective paper sen-
sor.
Replace the paper sensor 3/4.
4. Defective PWB.
Replace the engine PWB or main PWB and check for cor-
rect operation (see page 1-5-48, 1-5-31).
Problem
Causes
Check procedures/corrective measures
Y1
16
1
41-8
Se
r
vice Manual
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...