Disclaimer: This tool is for educational and diagnostic purposes. Modifying your printer may void any remaining warranty. Proceed at your own risk.
Due to copyright restrictions, we cannot host the file directly. However, we can guide you to the most trusted, community-vetted source:
This is the most important part that most tutorials skip:
The Canon MP250 is an older printer. Service Tool v1074 is indeed the correct tool for this series (MP240/250/260/270 series). However, Canon introduced a firmware update years ago that blocks older service tools.
"Verified" in the printer repair community usually means two things:
File Details:
If you cannot get v1074 to work, consider these verified alternatives: