To use the tool, the printer must first be placed into Service Mode manually. This usually involves a specific button sequence:
The search for "Canon Service Mode Tool version 1.050" often marks the final attempt to save a bricked printer displaying the dreaded Error 5B00 (a full waste ink counter). While you might find it on Google Drive links or specialized forums like PrinterKnowledge canon service mode tool version 1.050 download
While holding Power, release Stop and press it (some models require 6 times). To use the tool, the printer must first