: Ability to read, save, and update the printer's internal memory settings.
Unlike standard maintenance software, V4720 allows users to access the printer's EEPROM (Electrically Erasable Programmable Read-Only Memory) to modify critical internal data. Canon Service Tool V4720 Download
: Compatible with Windows XP, 7, 8, 8.1, and 10 . Note: It must be used via a USB connection; it will not work over Wi-Fi or LAN. How to Use Canon Service Tool V4720 Question about service mode - PrinterKnowledge : Ability to read, save, and update the