Release the Power button. The green light should blink and then stay solid, indicating the device is in Service Mode. Safety and Compatibility Precautions
The Service Tool cannot communicate with a printer in "Normal Mode." You must manually trigger "Service Mode" on the hardware itself before launching the software. canon service mode tool version 1050
Version 1050 is a legacy version of this utility. It is specifically valued for its compatibility with older Canon hardware architectures. While newer versions like V5103 or V6000 exist for the latest G-series or TS-series printers, V1050 remains a staple for maintaining older office and home setups that do not support the updated protocols of newer software. Core Functions of the Utility Release the Power button
The printer is in Service Mode, but the software cannot find the specific port. Try a different USB port or restart the software as an Administrator. Version 1050 is a legacy version of this utility
While holding Stop/Reset, press and hold the Power button.
Provides a more precise calibration than the standard user-facing maintenance menu.
Canon printers are designed with internal counters that track ink usage. Once the waste ink pads reach their physical capacity, the printer enters a "locked" state to prevent ink leakage. While basic resets can sometimes be performed via button sequences on older models, modern Canon printers require the Service Tool to communicate via the USB interface.