Tool 4905 !free! - Canon Service

Performing print head alignments and deep cleaning procedures more effectively than the standard driver tools. Compatible Models (MP Series)

In reality, the pads may still have capacity, but Canon’s firmware is programmed to force a service call. A repair technician would either replace the pads (labor-intensive) or simply run the to reset the counter. The tool effectively gives you that same power at home. canon service tool 4905

Just remember: use it responsibly. Reset only the waste ink counter, avoid experimental buttons, and physically check your ink pads every few resets. With care, the Canon Service Tool 4905 can extend your printer’s life by years. the pads may still have capacity