Rear Tray: A4, A5, B5, LTR, LGL, Envelopes (DL, COM10), Card Size(91 x 55mm), Custom sizes: (width) 55 - 215.9 mm, (length) 89 - 676 mm; Cassette: A4, A5, B5, LTR, Custom sizes: (width) 148.0 - 215