While keeping the Power button held down, .

本文将为你全面梳理 Canon Service Tool v3900 的功能、下载渠道、安全风险和官方替代方案,帮助你做出最安全、最有效的选择。

Press and the Stop/Resume button (the red triangle inside a circle). While holding Stop/Resume, press and hold the Power button.

To help me guide you safely through this process, could you share a bit more context? Please let me know: What of Canon printer are you trying to fix?

The tool works best on older Windows versions or in Windows 7/8 compatibility mode.

Resets the "Main" and "Platen" absorber counters to zero. EEPROM Reset: Restores factory settings. Ink Tank Counter Reset: Resets ink level tracking. Why is "Canon Service Tool v3900 Download" So Popular?

: Specifically useful for older Canon iP and MG series models. ⚠️ Warning: Risks of Unofficial Downloads

The Canon Service Tool v3900 is an official maintenance program designed to communicate with the printer's firmware to reset this counter back to zero percent. Supported Canon Printer Models