Functions : Print Print : Duplex print options : Manual (driver support provided) Print speed : Black (A4, normal): Up to 43 ppm; Black (letter, normal): Up to 45 ppm; Black (A4, duplex): Up to 34 ipm; Black (letter, duplex): Up to 36 ipm First page out : Black (A4, ready): As fast as 5.9 sec; Black (A4, sleep): As fast as 10 sec Print technology : Laser Memory : Standard: 512 MB; Maximum: 1.5 GB MAX memory, when Accessory DIMM is installed Paper handling Input : 100-sheet multipurpose Tray 1, 550-sheet input tray 2 Output : 250-sheet output bin Media types : Paper (bond, color, letterhead, plain, preprinted, prepunched, recycled, rough); envelopes; labels; cardstock; transparencies; user-defined Media Sizes Custom : Tray 1: 76.2 x 127 to 215.9 x 355.6 mm; Tray 2: 105 x 148 to 215.9 x 355.6 mm; Optional 550-sheet Tray: 105 x 148 to 215.9 x 355.6 mm Weight : 11.21 kg