The tool provides deep-level access to the printer's firmware to manage several critical maintenance tasks: Ink Absorber Reset
Note: If your printer is not listed, do not attempt to force the software. Always verify the "Service Mode" compatibility for your specific model number. canon service tool v5306
: Release the Stop button (while still holding Power), then press the Stop button 5 or 6 times (depending on the model) before releasing both. The tool provides deep-level access to the printer's