Service Manual for OKIPAGE 8zChapter 6 Troubleshooting ProceduresPage: 69(8) Vertical white belt/stripeIs the lens of the LED head dirty?Yes - Clean the LED head.No - Is the contact plate of the transfer roller in correct contact with the high-voltage power supply board? (SeeFigure 6-5 E.)No - Contact the contact plate of the transfer roller correctly.Yes - Replace the transfer roller.Has this error been recovered?Yes - EndNo - Is the LED head installed correctly?Check the HEAD1, HEAD2 connector of the main control board.No - Install the LED head correctly.Yes - 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).Yes - Replace 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 DrumCartridge" in the User's Manual.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)
