Canon Service Tool V5103 [work] Download File
At the café down the street, over a third cup of coffee, he dove into forums and obscure archive pages. He learned that P07 often meant the waste ink absorber counter had overflowed—an insult to a machine that had fed a family’s birthdays and tax returns for years. The solution, a user whispered across message boards, was a little-known executable called Canon Service Tool V5103. It was the kind of thing you only found in the corners of the internet where hobbyists kept careful watch over legacy hardware.
The printer must be put into "Service Mode" manually (usually by a specific sequence of holding the Power and Stop buttons) before the tool can communicate with it. Canon Service Tool V5103 Download