Once in Service Mode, the green power light should remain steady. You can then run the Service_Tool_v4905.exe on a Windows PC connected via USB. Safety and Compatibility Precautions

Power

While still holding the button, press the Stop/Resume button 5 times. Canon Service Tool V4905 Download -

Q: My printer shows "5B00" – will V4905 fix it?

• You have a compatible model and the printer is out of warranty.
• You are technically comfortable entering service mode.
• You also plan to physically clean/replace the waste pads.
• You have antivirus protection and basic Windows security knowledge.

Canon does not provide a direct public download for this tool on their Official Support Site . It is generally a technician-only utility. When searching for a download: Canon Service Tool V4905 Download — Short Description

Waste Ink Counter Reset

: Clears the internal counter that tracks ink absorbed during cleaning cycles. Once in Service Mode, the green power light

Key Features: