The Canon PIXMA G3400 is a workhorse known for its MegaTank ink system. However, like all printers, it can suffer from logic errors, stubborn "Error 5B00" messages, or connectivity glitches. Knowing how to properly reset the printer is an essential maintenance skill that can save you a service call.
. The green power light should flash a few times and then stay solidly lit. This means the printer is now in Service Mode. canon g3400 reset