How to reset Oki C9300

Procedure:

1. Power ON printer while holding both the "+" and "-" buttons until “OKIUSER” message apear in LCD.
2. Press ""+ or "–" button until “ENGINE DIAG MODE” is displayed
3. Press "ENTER", will be displayed "DIAGNOSTIC MODE XX.XX.XX S-MODE"
4. Press "+" or "–" button until “NV-RAM INITIAL” is displayed
5. Press "ENTER" again
6. Appear "TABLE 1" message
7. Press "ENTER" until "EXECUTING RESET" message appears. "NV-RAM INITIAL" message will BLINK... IT resets TONER, DRUM, FUSER and BELT...
8. Power OFF printer, wait 10 sec, and power ON again

To access Service Mode in C9300:

• Power ON printer with 0, 1, 6, 7 at same time...

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