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Service Guide OL400
Chapter 3 Maintenance & Disassembly
3.3
ADJUSTMENTS AND SERVICE CHECKS
3.3.01 General Information
The first four adjustments (Actual Page Count, Modified Page Count, Vertical Print Start Position
and LED Head Drive Time) are performed by changing addresses on the EEPROM located on the
Engine Controller printed circuit board.
Before performing these adjustments, setup the printer as listed below.
1. Remove the upper cover.
2. Raise the upper unit.
3. Remove the image drum cartridge.
4. Override the cover open interlock switch.
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)