Printer ink absorber problem

Printer ink absorber problem

1: Unplug power and USB
2: Open door and hold power button.
3: Connect power.
4: Close door, then release power button
5: Connect USB and an press power to use.

or

Resetting waste ink counter on a Canon Pixma MP250
Solve error 5B00

Solution:

    Press the power button to turn off the printer.
    Hold the "Stop/Reset" button while pushing the power button.
    Do not release the power button, release the "Stop/Reset" button and then push it twice in a row.
    Release the buttons.
    Wait 20 to 30 seconds until the LED shows 0.
    Push the "Stop/Reset" button four times in a row.
    Push the power button twice.
    Turn off the printer by pushing the power button.
    That's ok.