Oki OF5800 Service Guide - Page 143

Service Manual for OF5800 Chapter 3 Adjustment Procedures Page: 124 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 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)