a specific number of times (typically 5 or 6 depending on the model).
: Ensure you obtain the tool from a reliable source to avoid malware, as it is a technician-level utility not typically distributed on the main Canon Support site . canon service tool v.4718
Wrong button clicks (e.g., changing destination code) can permanently disable the printer. For instance, setting a Japan-region printer to US may cause cartridge incompatibility. Canon Service Tool v