: Hold the Stop/Reset button, then press and hold Power . While holding Power, release Stop and press it 5 or 6 times (depending on the model).
: Release both buttons. If successful, the power light will remain steady green (or white). canon+service+tool+v4718+updated
: One-click functionality to clear the "Main" and "Platen" waste ink counters. : Hold the Stop/Reset button, then press and hold Power
Using service tools carries risks that can permanently damage your hardware: : Hold the Stop/Reset button
I can give you the specific button sequence for your exact device.
: Ability to read and write EEPROM data to back up printer settings.