How to Reset the Maintenance on an HP 4250
- 1). Turn the 4250 printer off.
- 2). Turn the printer on.
- 3). Press and hold the checkmark button when the memory is counting up in the display.
- 4). Release the checkmark button after all three of the LED lights are illuminated.
- 5). Press the up arrow repeatedly until "New Maintenance Kit" is displayed on the screen.
- 6). Press the checkmark button to confirm. The maintenance count resets.