Olivetti d-Color MF2613 Plus Service Manual page 159

Code Contents
7413 Drum unit M non- installing
error
The EEPROM of drum PWB
M does not communicate nor-
mally.
7414 Drum unit Y non- installing
error
The EEPROM of drum PWB Y
does not communicate nor-
mally.
9500
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.
Y116670-7
Causes
Installation of Install drum unit M compatible with the spec-
incompatible drum ifications to the machine.
unit M.
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. Drum unit M and Drum relay PWB (YC3)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective drum Replace the drum unit M (see page 1-5-21).
PWB M.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
Installation of Install drum unit Y compatible with the spec-
incompatible drum ifications to the machine.
unit Y.
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. Drum unit Y and Drum relay PWB (YC5)
Drum relay PWB (YC1) and engine PWB
(YC34)
Defective drum Replace the drum unit Y (see page 1-5-21).
PWB Y.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation (see page 1-5-27).
Contact the Service Administrative Division.
Replacing both the Check that the machine operates properly
engine PWB and by reverting the engine controller and the
the drum unit at the drum unit to the old ones. To replace the
same time. 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.
1-4-25
Check procedures/
corrective measures
Service Manual
2PX/2PY