Release both buttons. If the power light stays solid green, the printer is in Service Mode.
It's essential to exercise caution and prioritize your printer's and computer's safety by seeking authorized support channels. canon service tool v 3900 free download better
Official versions of Canon Service Tools are generally not distributed for free to the public by Canon; they are intended for authorized service centers. Canon Community Malware Risk Release both buttons
Turn off the printer but keep it plugged into power and connected to your PC via . canon service tool v 3900 free download better