Lexmark X646dte. Print technology: Laser, Printing: Mono, Copying: Mono. Print speed (black, normal quality, A4/US Letter): 48 ppm, Maximum resolution: 1200 x 1200 DPI, Standard printer languages: PCL 5e, PCL 6, PDF 1.5, PostScript 3, PPDS, XML. Copy speed (normal quality, black, A4): 48 cpm, Copier resize: 25 - 400%, Time to first copy (black, normal): 7.5s. Optical scanning resolution: 600 x 600 DPI, Maximum scan area: Legal (216 x 356), Scan type: Flatbed & ADF. Fax resolution: 400 x 400 DPI, Fax transmission speed: 3 sec/page, Modem speed: 33.6 Kbit/s