Xerox DocuColor 12/DCCS50

1/05
2-23
DocuColor 12/DCCS50
3-395 Half-Tone EEP-ROM R/W Failure RAP, 3-396
Status Indicator RAPs
Reissue
3-395 Half-Tone EEP-ROM R/W Failure RAP
This fault code is declared when writing to the EEP-ROM of the Half-Tone PWB failed.
Initial Actions
• Refer to BSD 3.12 Monitoring in this procedure:
• Enter Diagnostics Mode and compare the NVM last entry to the Half-Tone PWB with
thos
e to the IOT NVM PWB and to the IOT CPU PWB.
Procedure
PO/PO the machine. Fault Code 3-395 is still declared.
YN
If intermittent operation is suspected, inspect the IOT CPU PWB, and the Half-Tone PWB
f
or
loose connections or any obvious electrical/mechanical cause for malfunction.
Replace the Half Tone PWB (PL 9.
2).
3-396 IOT EEPROM R/W Failure RAP
This fault code is declared when writing to the EEPROM of the IOT CPU PWB failed.
Initial Actions
• Refer to BSD 3.12 Monitoring (2 of 2) in this procedure.
• Enter Diagnostics Mode and compare the NVM last entry to the Half-Tone PWB with
tho
se to the IOT NVM PWB and to the IOT CPU PWB.
Procedure
PO/PO the machine. Fault Code is still declared.
YN
If intermittent operation is suspected, inspect the IOT CPU PWB (PL
9.
2) and the Half-
Tone PWB (PL 9.2) for loose connections or any obvious electrical/mechanical cause for
malfunction.
Replace the IOT CPU PWB (PL 9.
2).