: Primarily used to reset the waste ink counter (often referred to as the "pamper" or "absorber" counter).
if they are full; it just keeps a digital counter in its memory. When that counter hits a certain number, the printer "bricks" itself to prevent a theoretical ink leak. The Underground Legend: V.4906 This is where the Service Tool Software Canon Service Tool V.4906 Download
Why do technicians still warn against casual use? Here are real-world failures: : Primarily used to reset the waste ink