Canon+service+tool+v4718+updated -

: Allows technicians to change the printer's region code if the logic board is replaced. How to Use Canon Service Tool V4718

: Ability to read and write EEPROM data to back up printer settings. canon+service+tool+v4718+updated

: Resetting the software counter does not physically clean the ink pads. If you reset the counter without replacing the pads, ink may eventually leak from the bottom of the printer. : Allows technicians to change the printer's region

The updated V4718 version offers several improvements over older builds like V3400 or V4200: canon+service+tool+v4718+updated

I can give you the specific button sequence for your exact device.