The green power light should blink a few times and then stay solidly lit. Your computer may notify you that it found "New Hardware" or an "Unrecognized Device." This means your printer is successfully in Service Mode. How to Use Canon Service Tool V4906
Was the canon service tool taken down from the net? : r/printers
Move down to the section, ensure it is set to Main , and click Set again to change the value to 0%.
Execute professional nozzle checks and pattern alignments directly through the mainboard. Supported Printer Models
The term "exclusive" is largely a marketing term used by these third-party websites. The v4906 software itself is not exclusive; it is an official, albeit restricted, Canon application that has been leaked. What might be "exclusive" is the download link or a cracked/hacked version that bypasses any license requirements.
Canon Pixma printers are renowned for their exceptional print quality and reliability. However, like all advanced hardware, they are programmed with built-in safety mechanisms that can abruptly halt your workflow.