Now that you're wondering, why does your Canon printer display the warning Canon Printer Driver Unavailable? The answer is when your computer's operating system or the Canon printer drivers become out of current or incompatible. The "Canon printer driver is unavailable" notice then starts to appear. Should you need professional advice or Canon printer issues. Then, get in touch with us using the live chat feature found above the page. We guarantee that our highly qualified team will provide you with excellent assistance for any of your Canon printer-related problems.