Select On to display the Paper Setting screen when loading paper in the rear paper feeder. If you disable this feature, you cannot print from an iPhone, iPad, or iPod touch using AirPrint.
Displays a warning if the paper settings (print settings) for the print job do not match the printer's paper settings made when you loaded the paper. This setting prevents misprinting. However, the paper setting screen is not displayed when Paper Setup Auto Display is disables in the following menus. If you disable this feature, you cannot print from an iPhone, iPad, or iPod touch using AirPrint.