The green light should blink and then stay solid. Your PC will detect "New Hardware." 📥 How to Download and Use V4905

(Note: Always verify compatibility before attempting to use the tool, as using the wrong version can cause software conflicts.)

If you encounter issues with the Canon Service Tool V4905, here are some troubleshooting tips:

The Canon Service Tool V4905 is a specialized software developed by Canon to diagnose and repair issues with their printers. This tool is designed for advanced users and service technicians to troubleshoot and resolve complex problems that may not be fixable through standard printer settings.

⚠️ If your printer’s "Alarm" light remains steady orange or flashes in a pattern after attempting to enter Service Mode, the logic board may be locked. Continuing to use software in this state can permanently damage the printer’s firmware.

: The most common use for this tool is to reset the "Waste Ink Pad Full" error (often error code ), which otherwise disables the printer Ink Level Reset