If you cannot print Check that no error message is displayed on the printer's LCD monitor ... -> Print from Canon server ... -> Print from Canon server
When an error occurs you see flashing lights along with a support code or error message on the screen. The lights flash in one of two ways: Repeatedly orange:
If you experience support code 2103 (printer cannot detect paper size) when attempting to print, you can toggle the paper width detection function of the printer from a Windows PC or a Mac Follow the instructions below for your computer.
When this error code is displayed at the initial setup, confirm that all the protective tapes and the white fixing material have been removed. CAUTION When the protective tapes and the white fixing material cannot be removed since the FINE Cartridge Holder is behind the Head Cover, follow the procedures below to remove the protective tapes and the white fixing material.