This is crucial. Usually, this involves holding the Stop/Reset button, pressing Power , and hitting Stop 5 or 6 times (depending on your model). Connect via USB: This tool will not work over Wi-Fi. Run as Admin: Open Service_Tool_v5610.exe .
Before attempting to use any version of the Service Tool, your printer Service Mode Turn the printer off. button, then hold While holding Power, release Stop and press it (for most models). Release both buttons. If the green light stays solid, you are in Service Mode. Canon Service Tool V5610 Free Download -UPD-