No Local Copy - Oki B 4100 Maintenance Manual

7.2.5

No Local Copy

Start
Printing function of
self-diagnosis is OK?
Yes
Load a document.
The document is fed by
any length?
Yes
The document is fed by
about 7cm and stops with
the SELECT LOCATION
message dispoayed?
Yes
Press COPY key.
Any document
copied in black?
No
Copy quality OK?
Yes
Return to section 7.2.1
40055101TH Rev.4
No
No
No
Yes
No
Perform SENSOR CALIBRA-
TION including adjustment
of level (See 6.6)
Yes
Replace MCNT board.
Yes
Replace the contact image
sensor assembly.
Checking Points:
Go to 7.2.4 (Printing test failure).
1. Check PC1.
2. Replace MCNT board.
3. Check the mechanical portion.
(Scan motor, etc.)
See 7.2.18 for further details.
1. Check PC2.
2. Replace MCNT board.
1. Check –8 volt supply from
PWU. (See 5.3.1)
2. Replace MCNT board.
3. Replace the contact image sensor
assembly.
Solved?
No
Solved?
No
293 /