Service Manual for OKIPAGE 14exChapter D Diagnostics TestPage: 991. Maintenance ModesThe maintenance modes consist of the user maintenance mode which are released to the user, and the system and engine maintenance modes in thelmaintenance personnel level not released to the user.Press the MENU key to update each category. The operation returns to the first category after updating the last category, in a loop.lPress the Enter key to execute the function being displayed.lTo exit from any of these modes during a category display, press the Recover or ON LINE key and the operation mode will start.l1.1 User Maintenance Mode1.2 System Maintenance Mode1.3 Engine Maintenance Mode1.4 User Factory Set OperationCopyright 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)