: Functions for replacing print heads and adjusting head alignment.

: Allows users to read and save EEPROM data, which contains printer settings and usage history.

The Canon Service Tool V4720 is a specific iteration of proprietary maintenance software designed to interface with the printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory) to reset these counters and perform other diagnostic functions. This paper aims to dissect the functionality, application, and surrounding ecosystem of this specific version of the service tool.

Includes functions for nozzle checks and advanced test patterns. Maintenance: