Make sure the Mac Mini and the Canon printer are on the same network. (I use two wireless networks for my Mini and have to remember to switch it to the network where the printer resides before I try and print)
I had the same problem. Solution: Make sure the inner door is closed (don't insert disc tray before attempting to print). Then click on print to disc (with whatever program you happen to be using). Now it will tell you to open the inner door and inse...
