While the Canon Service Tool v5103 is a lifesaver for out-of-warranty printers, misuse has consequences:
Canon releases multiple versions of its service tool. Version 5103 is particularly popular because it supports a wide range of consumer-grade printers launched between 2014 and 2018. It is one of the last versions that works reliably on Windows 10 (32-bit and 64-bit) without requiring advanced driver signature overrides.
: Clearing the internal counter that tracks the usage of ink absorber pads. EEPROM Operations
Its most common use is to clear the "Ink Absorber Full" error (often indicated by support codes like 5B00 or 5B02), which normally prevents the printer from operating. EEPROM Operations: