Oki c5450 and c9300 Drum, Toner, Fuser, Belt Reset

1) Power ON printer while holding both the 0, 1, 6, 7 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) Will appear "TABLE 1" message;
7) Press "ENTER" until "EXECUTING RESET" message appear. the "NV-RAM INITIAL" message will BLINK...
This procedure reset TONER, DRUM, FUSER and BELT...
8) power OFF printer, wait 10 sec, and power ON again... =)

OKI C5450n

1) Power ON printer while holding both the + & - 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) Will appear "TABLE 1" message;
7) Press "ENTER" until "EXECUTING RESET" message appear. the "NV-RAM INITIAL" message will BLINK...
This procedure reset TONER, DRUM, FUSER and BELT...
8) power OFF printer, wait 10 sec, and power ON again... =)