The most common use. Canon printers have a sponge that absorbs ink during cleaning cycles. A built-in counter tracks this. When it hits 100% (usually around 5,000 to 8,000 pages), the printer locks down permanently, showing "Service Error 5B00" or "5B01." V.4718 resets this counter.
Allows you to read, save, and verify EEPROM data to troubleshoot deep system issues. canon service tool v.4718