The key mark is displayed next to the paper tray if [No] is selected in "Apply Auto Paper Select".For details about the relations between possible paper sizes and thickness, see "Recommended PaperSizes and Types", About This Machine.For details about the recommended conditions for using thick paper, see "Thick Paper", About ThisMachine.Designation Sheet 1 - 9You can specify and display the paper tray to set designation sheets. You can also specify the displaytime and copying method for two sided copying.• Select Designation Sheet from 1-9You can specify paper tray 1-9 as the source trays for designation sheets.• Display TimeYou can select [At Mode Selected] or [Full Time].• Apply DuplexYou can select [Yes] or [No].Cover Sheet TrayYou can specify and display the paper tray to set front cover sheets. You can also specify the displaytime and copying method for two sided copying.• Display TimeYou can select [At Mode Selected] or [Full Time].• Apply DuplexYou can select [Yes] or [No].Back Cover Sheet TrayYou can specify and display the paper tray to set back cover sheets. You can also specify the displaytime and copying method for two sided copying.• Display TimeYou can select [At Mode Selected] or [Full Time].• Apply DuplexYou can select [Yes] or [No].Slip Sheet TrayYou can specify and display the paper tray in which to set slip sheets. You can also specify the displaytime.• Display TimeYou can select [At Mode Selected] or [Full Time].2. Tray Paper Settings682