Olivetti d-Color MF2613En, Service Manual

Page: 162 / 375

2PV/2PW
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 1-5-21).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
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 1-5-21).
Defective engine
PWB. Replace the engine PWB and check for cor-
rect operation (see page 1-5-27).
9500 Contact the Service Administrative Division.
9510
9520
9530 Backup data error
The serial number of the
machine written on the
EEPROM of the engine PWB
differs with that is written on
both the flash memory of the
engine PWB and the
EEPROM of the drum PWB
as a backup.
Replacing both the
engine PWB and
the drum unit at the
same time. Check that the machine operates properly
by reverting the engine controller and the
drum unit to the old ones. To replace the
engine PWB and the drum unit at the same
time, turn on the machine after replacing
either one. Check that the machine operates
properly and then turn off the machine.
Replace the other and turn on the machine
to check that the machine operates properly.
Be sure to replace one by one.
Code Contents Causes
Check procedures/
corrective measures
Service Manual
Y116650-5