product description : samsung mono laser printer speed : up to 33ppm in a4 (35ppm in letter) first print out time : less than 8.5s resolution : up to 1200 x 1200dpi effective output media handling : input : 250-sheet cassette, 50-sheet multi purpose tray output : 150-sheets face-down built-in duplex media size : 76 x 127mm - 216 x 356mm media type : transparency, envelope, labels, post card, card stock (60-160 gsm) emulation : postscript3, pcl6, spl, ibm proprinter, epson processor : samsung 400mhz memory : 64mb os compat : windows 2000/xp (32/64bits)/vista (32/64bits)/2003 server (32/64bits) / various linux os including red hat 8 ~ 9, fedora core 1 ~ 4, mandrake 9.2 - 10.1 & suse 8.2 ~ 9.2/ mac os 8.6 ~ 9.2, 10.1 ~ 10.4 interface : hi-speed usb 2.0, ieee1284 parallel, ethernet 10/100 base duty cycle : up to 50,000 sheets monthly dimension(h x w x d) : 285 x 400 x 433.4 x 285 mm weight : 11.1kg