Attempting to enter Service Mode incorrectly too many times can "lock" the printer, requiring a physical chip replacement on the motherboard.
Reading, dumping, or flashing the printer’s onboard non-volatile memory to diagnose firmware glitches. canon service tool v5204 free download repack
For those with strong technical skills, it is possible to replace the waste ink pads yourself. After physically replacing them, you would still need a software tool to reset the internal counter. This process is complex, messy, and should only be attempted if you are comfortable disassembling your printer. Attempting to enter Service Mode incorrectly too many
The Canon Service Tool is an official, proprietary software application created by Canon for authorized technicians. It is not intended for public distribution. Version 5204 (v5204) is a specific iteration designed to interact with the firmware of various Canon Pixma G-series, TS-series, and MG-series printers. After physically replacing them, you would still need
If the tool is executed while the printer is not in the correct "Service Mode," or if the software version does not perfectly match your printer's generation, it will throw an "Error 006." Repeating this error can permanently lock your printer out of Service Mode entirely, rendering it impossible to reset even by an authorized technician. Understanding the Waste Ink Pad Error