Parts and Their Functions 1-7Introduction to imageRUNNER 2545 Series1a Main Power SwitchPress to the “I” side to turn ON the machine. (SeeChapter 2, “Before You Start Using the Machine,”in the User’s Guide.)b Feeder(Optional for the imageRUNNER 2545/2535/2530/2525/2520)Originals placed in the feeder are automaticallyfed sheet by sheet to the scanning area. Thefeeder also automatically turns over two-sidedoriginals to make one- or two-sided copies.c Control PanelThe control panel includes the keys, touch paneldisplay, and indicators required for operating themachine. (See “Control Panel,” on p. 1-9.)d Platen Cover(Optional for the imageRUNNER 2545/2535/2530/2525)The platen cover secures the originals placed onthe platen glass.e Stack BypassUse the stack bypass to feed paper manually,and for loading nonstandard paper stock, such asenvelopes. (See “Loading Paper in the StackBypass,” on p. 2-21.)f Paper Drawer 1Paper Drawer 1 holds up to 550 sheets (250sheets for the imageRUNNER 2520i/2520) ofpaper (80 g/m 2 ).g Paper Drawer 2(Optional for the imageRUNNER 2520i/2520)Paper Drawer 2 holds up to 550 sheets of paper(80 g/m 2).h Paper Drawers 3 and 4 (Optional)The CST. Feeding Unit-AE1 provides twoadditional sources of paper for printing jobs.Each paper drawer holds up to 550 sheets ofpaper (80 g/m 2 ).