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Code
Contents
7402
Developer unit C type mis-
match error
Absence of the developer unit
C is detected.
7403
Developer unit M type mis-
match error
Absence of the developer unit
M is detected.
7404
Developer unit Y type mis-
match error
Absence of the developer unit
Y is detected.
Drum unit K type mismatch
7411
problem
Absence of the drum unit K is
detected.
Drum unit C type mismatch
7412
problem
Absence of the drum unit C is
detected.
Drum unit M type mismatch
7413
problem
Absence of the drum unit M is
detected.
Y116141-8
Causes
Defective connec-
Reinsert the connector. Also check for conti-
tor cable or poor
nuity within the connector cable. If none,
contact in the con-
replace the cable.
nector.
Developer unit C and drum connect PWB
(YC7)
Drum connect PWB and engine PWB (YC4)
Different type of
Install the correct developer unit
the developer unit
(see page 1-5-13).
is installed.
Defective connec-
Reinsert the connector. Also check for conti-
tor cable or poor
nuity within the connector cable. If none,
contact in the con-
replace the cable.
nector.
Developer unit M and drum connect PWB
(YC8)
Drum connect PWB and engine PWB (YC4)
Different type of
Install the correct developer unit
the developer unit
(see page 1-5-13).
is installed.
Defective connec-
Reinsert the connector. Also check for conti-
tor cable or poor
nuity within the connector cable. If none,
contact in the con-
replace the cable.
nector.
Developer unit Y and drum connect PWB
(YC6)
Drum connect PWB and engine PWB (YC4)
Different type of
Install the correct developer unit
the developer unit
(see page 1-5-13).
is installed.
Drum unit connec-
Reinsert the drum unit K connector if neces-
tor inserted incor-
sary.
rectly.
Different type of
Install the correct drum unit
the drum unit is
(see page 1-5-15).
installed.
Drum unit connec-
Reinsert the drum unit C connector if neces-
tor inserted incor-
sary.
rectly.
Different type of
Install the correct drum unit
the drum unit is
(see page 1-5-15).
installed.
Drum unit connec-
Reinsert the drum unit M connector if neces-
tor inserted incor-
sary.
rectly.
Different type of
Install the correct drum unit
the drum unit is
(see page 1-5-15).
installed.
1-4-45
Check procedures/
corrective measures
Service Manual
2NP
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