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2NP
1-4-46
7414
Drum unit Y type mismatch
problem
Absence of the drum unit Y is
detected.
Drum unit connec-
tor inserted incor-
rectly.
Reinsert the drum unit Y connector if neces-
sary.
Different type of
the drum unit is
installed.
Install the correct drum unit
(see page 1-5-15).
7420
Transfer belt unit type mis-
match problem
Absence of the transfer belt
unit is detected.
Transfer belt unit
connector inserted
incorrectly.
Reinsert the transfer belt unit connector if
necessary.
Different type of
the transfer belt
unit is installed.
Install the correct transfer belt unit
(see page 1-5-16).
7601
ID sensor 1 (front) error
Defective ID sen-
sor.
Replace the ID sensor 1.
Defective PWB.
Replace the engine PWB check for correct
operation (see page 1-5-33).
7602
ID sensor 2 (rear) error
Defective ID sen-
sor.
Replace the ID sensor 2.
Defective PWB.
Replace the engine PWB check for correct
operation (see page 1-5-33).
7611
ID sensor (K) density error
When the concentration in a
bias calibration is unusual.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB.
Replace the engine PWB check for correct
operation (see page 1-5-33).
7612
ID sensor (C) density error
When the concentration in a
bias calibration is unusual.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB.
Replace the engine PWB check for correct
operation (see page 1-5-33).
7613
ID sensor (M) density error
When the concentration in a
bias calibration is unusual.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB.
Replace the engine PWB check for correct
operation (see page 1-5-33).
7614
ID sensor (Y) density error
When the concentration in a
bias calibration is unusual.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB.
Replace the engine PWB check for correct
operation (see page 1-5-33).
7620
ID sensor timing error
Color registration correction
was failed.
Defective ID sen-
sor.
Replace the ID sensor.
Defective PWB.
Replace the engine PWB check for correct
operation (see page 1-5-33).
Code
Contents
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...
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Page 24: ...Y116141 8 Service Manual...
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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...