Using V3400 on newer printer models (like MG3520 or G-series) can permanently lock the printer's service mode, requiring a logic board replacement or EEPROM flashing to fix.
Allows users to manually set the ink absorber counter value after physical cleaning. Service tool v3400.zip
Includes widely used series like iP (e.g., iP2700, iP4800), MP (e.g., MP230, MP280), and MG (e.g., MG2120, MG5240). Using V3400 on newer printer models (like MG3520
The tool provides deep-level access to the printer's firmware settings that are usually reserved for authorized service centers. and MG (e.g.
Requires a USB cable connection; the tool cannot communicate with the printer over Wi-Fi. 🚦 How to Use Service Tool V3400