Canon Service Tool V3400 -v 3.4 0.0 =link= Download- Extra Quality -

Canon’s warranty explicitly excludes damage from unauthorized software. If your printer is still under warranty, using a third-party service tool voids it immediately.

: It can read and print detailed EEPROM information , which helps in diagnosing specific hardware issues or verifying that reset values have been correctly applied to the printer's logic board. Canon Service Tool V3400 -v 3.4 0.0 Download- Extra Quality