2NP
1-4-33
4001
Polygon motor (K) steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
polygon motor (K) stabilizes.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit (K) and LSU connect
PWB(YC5)
LSU connect PWB and engine PWB (YC14)
Defective motor.
Replace the Laser scanner unit (K)
(see page 1-5-20).
Defective PWB.
Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-33).
4002
Polygon motor (C) steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
polygon motor (C) stabilizes.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit (C) and LSU connect
PWB(YC6)
LSU connect PWB and engine PWB (YC14)
Defective motor.
Replace the Laser scanner unit (C)
(see page 1-5-20).
Defective PWB.
Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-33).
4003
Polygon motor (M) steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
polygon motor (M) stabilizes.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit (M) and LSU connect
PWB(YC7)
LSU connect PWB and engine PWB (YC14)
Defective motor.
Replace the Laser scanner unit (M)
(see page 1-5-20).
Defective PWB.
Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-33).
4004
Polygon motor (Y) steady-
state error
The rated speed signal
detected the stability OFF
continuously for 1 s after the
polygon motor (Y) stabilizes.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit (Y) and LSU connect
PWB(YC8)
LSU connect PWB and engine PWB (YC14)
Defective motor.
Replace the Laser scanner unit (Y)
(see page 1-5-20).
Defective PWB.
Replace the engine PWB or LSU connect
PWB and check for correct operation
(see page 1-5-33).
Code
Contents
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...