Olivetti d-COLOR P2026, Руководство по обслуживанию, Страница: 81 / 207

Check procedures/
corrective measures
Install drum unit M compatible with the spec-
ifications to the machine.
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)
Replace the drum unit M (see page 1-5-20).
Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
Install drum unit Y compatible with the spec-
ifications to the machine.
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)
Replace the drum unit Y (see page 1-5-20).
Replace the engine PWB and check for cor-
rect operation (see page 1-5-26).
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.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace main PWB (see page 1-5-29).
Replace the operation panel PWB and
check for correct operation.
Turn the main power switch off/on to restart
the machine. If the error is not resolved,
replace main PWB (see page 1-5-29).
Code
7413
Contents
Drum unit M non- installing
error
The EEPROM of drum PWB
M does not communicate nor-
mally.
Causes
Installation of
incompatible drum
unit M.
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective drum
PWB M.
Defective engine
PWB.
7414 Drum unit Y non- installing
error
The EEPROM of drum PWB Y
does not communicate nor-
mally.
Installation of
incompatible drum
unit Y.
Defective connec-
tor cable or poor
contact in the con-
nector.
Defective drum
PWB Y.
Defective engine
PWB.
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.
Main PWB - operation panel
PWB communication error
Replacing both the
engine PWB and
the drum unit at the
same time.
F000 Defective main
PWB.
Defective opera-
tion panel PWB.
F010 Main PWB checksum error Defective main
PWB.
1-4-27