: Modern printers track ink usage via a digital counter. Even if the physical pads have room left, the printer will "lock" itself once the counter reaches a certain threshold to prevent leaks. Clear Persistent Error Codes
The "deep story" of V4906 is one of technical desperation. A user finally finds a clean copy, enters (a secret handshake of holding the Resume and Power buttons in a specific rhythm), and runs the tool. With one click on the "Main" waste ink counter reset, the printer "wakes up." The red blinking light turns green. The machine is saved from the landfill for $0 and 15 minutes of digital sleuthing. software canon service tool v4906 download gratis fix
If you decide to proceed despite the risks, at least take these steps: : Modern printers track ink usage via a digital counter