Press and hold the button, then press and hold the Power button.
Resets the internal counter that tracks waste ink levels, allowing the printer to continue operating after the physical absorber has been cleaned or replaced.
While the tool is available for download on sites like 2Manuals.com or through community resources on Scribd , users should exercise caution.
Allows users to read and write EEPROM data, which is useful for diagnosing hardware issues or verifying the printer's status.
Using V3400 on incompatible newer models (like the MG3500 series) can permanently lock the printer's service mode.
Enables various test prints to check the health of the print head and logic board. Compatibility and Requirements