MP Tray PrioritySelect whether to prioritize paper feeding from the multi-purpose tray when is set to . If youselect , paper is fed from the multi-purpose tray when the same size paper is loaded in both the multi-purposetray and the paper drawer.OffOn() or ●When is set to , paper is preferentially fed from the paper drawer even if Tray Priority> is set to .MP Tray for Mix Ppr.If you select with set to , the multi-purpose tray is automatically selected whenappropriate size paper is not loaded in any paper drawer.OffOn() or Auto Select DrawerIf you select appropriate size paper loaded. Also, when the paper runs out, this setting enables continuous printing by switchingfrom one paper source to another that is loaded with the same paper size.Do Not UseUse()Select the paper source orSetting Menu List503