Oki C7200 Service Manual - Page 222
Entering self-diagnosis mode level 1
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Service Guide - C7000 Series Chapter 4 Adjustments Page: 101 4.1.2.2.1 Entering self-diagnosis mode (level 1) 1. Detach the main controller board. 2. While holding the 1 11 11 and 4 44 44 keys down at the same time, turn the power on to enter this mode. 3. "ENGINE DIAG MODE XX.XX" appears in the upper display. XX.XX shows the version of ROM. 4. Go to each self-diagnosis step by using the 1 11 11 and 5 55 55 keys (pressing 1 11 11 and 5 55 55 keys rotates the menu items). Copyright 1999, Okidata, Division of OKI America, Inc. All rights reserved.
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Service Guide - C7000 Series
Chapter 4 Adjustments
Page: 101
4.1.2.2.1 Entering self-diagnosis mode (level 1)
1. Detach the main controller board.
2. While holding the 1 11 11 and 4 44 44 keys down at the same time, turn the power on to enter this mode.
3. "ENGINE DIAG MODE XX.XX" appears in the upper display. XX.XX shows the version of ROM.
4. Go to each self-diagnosis step by using the 1 11 11 and 5 55 55 keys (pressing 1 11 11 and 5 55 55 keys rotates the
menu items).
Copyright 1999, Okidata, Division of OKI America, Inc. All rights reserved.