Page: 109Service Manual - OKIPAGE10iChapter D Diagnostics TestThe maintenance modes consist of the user maintenance mode which is available to the end-users,and the system and engine maintenance modes in the maintenance which are not available to theuser.Press the MENU key to update each category. The operation returns to the first category afterupdating the last category, in a loop.Press the Enter key to execute the function being displayed.To exit from any of these modes during a category display, press the Recover or ON LINE key andthe operation mode will start.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)