Reset Canon Service Tool V4905 ((link))

Release the Stop button (while still holding Power), then press the Stop button (for most models).

Follow these instructions carefully to reset your printer. Reset Canon Service Tool V4905

If you are uncomfortable with the risks, consider these options: Release the Stop button (while still holding Power),

A confirmation message should appear. Print an EEPROM report to verify the counter has been reset. Important Safety Tips Reset Canon Service Tool V4905

This is the most important safety warning: If your counter says the pads are full, they are likely saturated with ink. If you reset the counter without replacing or cleaning the pads, ink will eventually overflow inside the printer, causing a mess and potentially short-circuiting the electronics.