The 550-sheet tray supports A4, A5, JIS B5, Folio, Letter, Legal, Executive and Oficio sizes. Paper (16 to 47 lb., 60 to 176 gsm.) and card stock may be used from this unit. The 100-sheet Multipurpose Feeder (MPF) supports A4, A5, A6, JIS B5, Folio, Letter, Legal, Executive, Statement and Oficio sizes and 7¾, 9, 10, DL, C5, B5 and Monarch envelopes sizes. Paper, paper labels, envelopes, transparencies and card stock may be used from the MPF.   
Lexmark 650-sheet Duo Tray - 1, 1 x 550, 100 Sheet, Sheet - Plain Paper, Transparency, Card Stock, Label, Envelope - A4 8.30 x 11.70, A5 5.80 x 8.30, A6 4.10 x 5.80, Executive 10.50 x 7.25, Folio 8.27 x 13, JIS B5 6.90 x 9.80, Letter 8.50 x 1