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Service Manual for OF5800
Chapter 3 Adjustment Procedures
The background level is an established threshold used to help measure the reflective ability of a scanned
document. This threshold can change if the scanner lamp, CCD, or the ballast is replaced; therefore this
mode should be used to reset the threshold when these items are changed. The All RAM Clear function
can also be used to reset the background level, however, the Set Background Level mode allows the level
to be set without erasing memory contents.
1. Insert white paper in the document feeder of the fax machine.
2. Press PROGRAM, *, 9, PROGRAM, PROGRAM, PROGRAM, PROGRAM, then press ENTER.
3. Press STOP to eject paper
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