The Canon Service Tool (also known as a "Service Resetter") is
: Press and hold the Stop/Resume button (triangle icon), then press and hold the Power button. canon service resetter tool
: These tools almost never work over Wi-Fi. You must use a physical USB cable. Model Specificity The Canon Service Tool (also known as a
: If an incorrect service tool version was used previously, the mainboard may be "locked," requiring a physical chip replacement or a new motherboard. the mainboard may be "locked
The Canon Service Resetter Tool is not universal. It works on specific chipsets. Generally, it supports: