Service Manual for OKIPAGE 8zChapter 6 Troubleshooting ProceduresPage: 65(4) Vertical black belt/stripeReplace the EP image drum unit.Has this error been recovered?Yes - EndCaution: After replacing the EP image drum unit, reset the drum counter. Refer to "Replacing the Drum Cartridge" inthe User's Manual.No - Replace the LED head.Has this error been recovered?Yes - EndCaution: Set the LED head drive time when replacing the LED head. (See Section 4.2.1).No - Replace the main control board or high-voltage power supply board.Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange(BPX) for any updates to this material. (http://bpx.okidata.com)
