: Specifically targets the "Main" and "Platen" ink absorber counters. Diagnostics
Canon Service Tool V5204: The Ultimate Guide to Resetting Your Printer
The Canon Service Tool V5204 was a digital skeleton key. It wasn't found on shiny corporate landing pages or in the "Support" tabs of official websites. It lived in the corners of the web—on archived forums where retired engineers shared secrets and in encrypted directories maintained by right-to-repair rebels.
the printer to your PC via USB cable (Wi-Fi will not work). Press and hold the Stop/Reset button (red triangle). While holding Stop , press and hold the Power button. Release Stop (keep holding Power ).
Note: exact labels vary across tool versions.