No Local Copy - Oki OF5900 Maintenance Manual

7 . 5

No Local Copy

Start
Printing function of
self-diagnosis is OK?
Load a document.
The document is fed by
any length?
The document is fed by
about 7cm and stops with
the SELECT LOCATION
message dispoayed?
Press COPY key.
Any document
copied in black?
Copy quality OK?
Return to section 7.1
OKIFAX 5700/5900
No
Yes
No
Yes
No
Yes
Yes
No
No
Yes
Go to 7.4 (Printing test failure).
1. Check PC1.
2. Replace MCNT (R76) board.
3. Check the mechanical portion.
(Scan motor, etc.)
See 7.18 for further details.
1. Check PC2.
2. Replace MCNT (R76) board.
1. Check –8 volt supply from
PWU. (See 5.2.1)
2. Replace MCNT (R76) board.
3. Replace the contact image
sensor assembly.
Perform SENSOR CALIBRA-
TION including adjustment
of level (See 6.6)
Yes
Solved?
No
Replace MCNT (R76) board.
Yes
Solved?
No
Replace the contact image
sensor assembly.
7 - 6
Checking Points: