Olivetti d-Copia 1801MF Plus, Service Manual, Page: 192 / 492

2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-20
(2) Self diagnostic codes
If the part causing the problem was not supplied, use the unit including the part for replacement
Caution:
Before attempting to check the power supply and the fuser unit, be sure to turn the power switch off and
unplug the machine from power. Allow at least 5 seconds before starting to conduct service until the capaci-
tors on the circuit boards have been completely discharged.
To reset a service call regarding the Maintenance T display and the DP, performing U906 Disconnection at
Defect is required. (See page 1-3-114)
.
Code Contents Related parts
Check procedures/
corrective measures
0030 FAX control PWB system
error
Processing with the fax soft-
ware was disabled due to a
software problem.
FAX control PWB
1. Turn the main power swtch off and after
5 seconds, re-mount the FAX controller
PWB, then turn power on.
2. Reinstall the fax software.
3. Replace the FAX control PWB.
0060 Main/Engine PWB mis-
match
Unmatching engine and
engine sub boards.
Defective engine subboard
Main/Engine PWB
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Replace the main/engine PWB (see
page 2-2-11).
0100 Backup memory device
error EEPROM
(Main/Engine
PWB)
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Check that the EEPROM on the main
circuit PWB is peroperly installed on the
main circuit PWB and, if not, re-install it.
3. Replace the main/engine PWB (see
page 2-2-11).
0120 MAC address data error
For data in which the MAC
address is invalid.
EEPROM
(Main/Engine
PWB)
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Check the MAC address on the network
status page.
3. If it is blank, obtain an EEPROM with its
MAC address written from the service
support and install.
4. Replace the main/engine PWB (see
page 2-2-11).