Release the button. If the green light stays steady, you are in Service Mode. Where to Find the Tool If manual steps don't work and you still need the software:
: Runs tests on printer components to verify health and identify malfunctions. Maintenance Procedures canon service tool v4905 download repack
Clears the 5B00 or related absorber full errors that stop the printer from working. Release the button
If a user were to proceed regardless, typical steps found in YouTube tutorials (often now taken down) include: canon service tool v4905 download repack