product description : lexmark mono laser printer print : technology : monochrome laser speed : up to 48 ppm; duplex: up to 32 spm(a4, black) up to 50 ppm; duplex: up to 34 spm (letter, black) resolution : 1200 image quality, 1200 x 1200 dpi 2400 image quality, 600 x 600 dpi time to first page : as fast as 7.5 seconds(black) paper handling : input : 100-sheet multipurpose feeder, 550-sheet input tray, standard integrated duplex output : 350-sheet output bin media types supp : card stock, dual web labels, envelopes, integrated labels, paper labels, plain paper, polyester labels, transparencies, vinyl labels media sizes supp : 10 envelope, 7 3/4 envelope, 9 envelope, a4, a5, dl envelope, a6 card, executive, folio, jis-b5, legal, letter, statement, universal processor : 500 mhz; memory : 128 mb/640 mb (std/max) interface : ethernet 10/100basetx (rj-45), usb 2.0, one internal card slot, front usb port compatible with usb 2.0 specification (type a) printer languages : pcl 5e emulation, pcl 6 emulation, personal printer data stream (ppds), postscript 3 emulation, xhtml, pdf 1.6, direct image, microsoft xps (xml paper specification) dimension (h x w x d) : 427 x 425 x 510 mm weight : 23 kg