Page: 46Service Guide OL830Chapter 3 Maintenance & Disassembly3.3 ADJUSTMENTS AND SERVICE CHECKSThe first five adjustments (Actual Page Count, Modified Page Count, Vertical Print Start Position,LED Head Drive Time and Resetting the Fuser Counter) are performed by changing addresses onthe EEPROM located on the engine controller printed circuit board.Before performing these adjustments, setup the printer as listed below.1. Raise the upper unit.2. Remove the image drum cartridge.3. Override the cover open interlock switch.Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA BusinessPartner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)