Printer Driver Download Canon Pixma MX494 Canon Pixma MX494 Printer Driver Download. I've had not one of the problems other reviewers have mentioned. It was effortless to set-up. I simplest use wi-fi and it related itself with the rush of a button on my router. It has been printing well for me and not using a jams even though i'm re-utilising paper beforehand printed on one side,