These are the primary sources for understanding the tool’s purpose and operation:

, if you reset the counter, you should also physically replace or clean the waste ink pads. Tutorials exist for disassembling Canon printers and rinsing pads with distilled water. Only then does a reset make sense.

He knew what that meant. In the eyes of the printer, it was dead. The internal pads that caught excess ink had reached their software-coded limit. Even though the printer was mechanically perfect, a tiny counter hidden in its logic board had reached a number it didn't like, and now it was holding his report hostage.