Download Canon Service Tool V4905 [better] -

I can provide the specific button sequence for your exact machine.

Clear the internal tally for maintenance cartridges and absorbers. Download Canon Service Tool V4905

Disable your antivirus temporarily (many tools are flagged as "False Positives" due to their low-level hardware access). Extract the folder. Run the .exe file as an Administrator. Select your "Main" waste ink counter and click . I can provide the specific button sequence for

: It can trigger deep cleaning cycles or "ink charges" to prime the lines in Megatank models when regular cleaning fails. Region and Model Changes Download Canon Service Tool V4905

For maximum safety, use (Windows 10/11 Pro) or VirtualBox with an isolated Windows 7/10 guest. This prevents any malware from accessing your main operating system.