2PZ-3
1-4-26
7413 Drum unit M non- installing
error
The EEPROM of drum PWB
M does not communicate nor-
mally.
Installation of
incompatible drum
unit M.
Install drum unit M compatible with the spec-
ifications to the machine.
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.
Drum unit M and Drum relay PWB (YC3)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective drum
PWB M.
Replace the drum unit M (see page 1-5-22).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-28).
7414 Drum unit Y non- installing
error
The EEPROM of drum PWB Y
does not communicate nor-
mally.
Installation of
incompatible drum
unit Y.
Install drum unit Y compatible with the spec-
ifications to the machine.
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.
Drum unit Y and Drum relay PWB (YC5)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective drum
PWB Y.
Replace the drum unit Y (see page 1-5-22).
Defective engine
PWB.
Replace the engine PWB and check for cor-
rect operation (see page 1-5-28).
9500 ISC PWB error A
Main PWB
1. Reinsert the connector if its connection
is loose.
2. Replace the main PWB (see page 1-5-
31).
3. Contact the Service Support.
9510
ISC PWB error B
Main PWB
1. Reinsert the connector if its connection
is loose.
2. Replace the main PWB (see page 1-5-
31).
3. Contact the Service Support.
9520
ISC PWB error C
Main PWB
1. Reinsert the connector if it its connection
is loose.
2. Replace the main PWB (see page 1-5-
31).
3. Contact the Service Support.
Code Contents Causes
Check procedures/
corrective measures
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