Oki OKIFAX4550 Maintenance Manual page 195

Operations:
Enter "2".
←
Press key.
Load document(s).
For adjustment of levels, use white
plain bond paper(s) of NA Letter or A4
size.
Observe and check the document
feed operation.
Check that the followings do not occur:
Document skew.
Multiple document feeding.
No feeding.
Note: After adjustment of levels, check the copy quality by copying test charts or documents.
41309401TH Rev.4
The display shows:
Continued from the previous page
2
2:SENSOR CALIBRATION
← →
YES( ) NO( /1-8)
←
2:SENSOR CALIBRATION
PLEASE SET DOCUMENT
Set white document.
2:SENSOR CALIBRAION
CALIBRATING
OK
RESULT=OK
After 3 sec.
DOCUMENT REMOVAL
End of document feed.
End of prefeed
NG & STOP key.
SCANNING ERROR
After 3 sec.
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