Dell C3760dn Color Laser Printer - Manual (Page 240)

238 Loading Print Media
3 Slide the width guides to the edge of the tray. The width guides should be fully extended.
4 Insert all media facing up and top edge first into the MPF.
NOTE: Do not force the print media into the MPF.
5 Slide both width guides until they rest lightly against the edge of the print media stack.
NOTE: Do not force the print media into the MPF.
6 On the operator panel, press the or button until the desired paper size is highlighted, and then press the
(Set) button.
7 Press the or button until the desired paper type is highlighted, and then press the (Set) button.