Oki B 4100 Maintenance Manual page 219

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.
40055101TH 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 RMOVAL
End of document feed.
NG & STOP key.
SCANNING ERROR
After 3 sec.
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