Printer Resetter

1) Power on printer while holding both the + & - buttons simultaneously; release when “OKIUSER” is displayed.
2) Press either the + or - button until “ENGINE DIAG MODE” is displayed; press the Enter button and “DIAGNOSTIC MODE xx.xx.xx” will be displayed.
3) Press and hold both the - & On-line buttons

1. Open the front cover and leave open while completing the following steps.
2. Turn the printer off.
3. Hold the ’go’ button while turning the printer on. All panel lights should be on.
4. Release the ’go’ button.
5. Press the

The gear turns slowly every time the cartridge is used. When it gets to the end of its range, a spring stops it from turning further and the printer will not print until the cartridge is replaced. When a cartridge is refilled, this flag gear must be reset or printer will think the cartridge is still empty and it will not work. You can also squeeze some extra life out of a used cartridge using this method.

1) Open the front door - the message ’Cover is Open’ will appear.
2) Press and hold the cancel button.
3) Press the Reprint button - the message ’Reset Parts Life’ should appear.
4) Then do the following:
B.TNR-H - accepted should display. Press ^
B.TNR-S - accepted should display. Press ^
Y.TNR-H - accepted should display. Press ^
Y.TNR-S - accepted should display. Press ^
M.TNR-H - accepted should display. Press ^
M.TNR-S - accepted should display.

  Here’s the page count reset I’m using if anyone wants it:
1. Open the front cover and leave open while completing the following steps.
2. Turn the printer off.
3. Hold the ’go’ button while turning the printer on. All panel lights should be on.
4. Release the ’go’ button.
5. Press the ’go’ button 2 times.
6. Pause.
7. Press the ’go’ button 5 times.
8. The toner light should be off.
9. The paper light should be on or flashing.
10. Close cover. The ready light should be the only light on.