Features include cleaning cycles, print head alignments, and test prints. Supported Models
With the printer off, hold Resume/Stop , then press and hold Power . While holding Power, press Resume/Stop 5 times (6 for some MG models), then release both. Canon Service Tool V.3900 Download
Using the tool requires the printer to be in . This state is typically achieved by a specific physical button sequence: Features include cleaning cycles, print head alignments, and
It allows users to read and print EEPROM data to diagnose underlying hardware issues. Features include cleaning cycles
This software is primarily used by technicians and DIY users to resolve specific system errors that cannot be cleared through standard settings.
The Power light should stay solid green. If it blinks, other errors are present and must be cleared first.