SPECIFICATIONSD.4Printer SpecificationsItem DescriptionPrinting method Laser Beam PrintingPrinting speed**Print speed will be affected by operating system used, computing performance, application software,connecting method, media type, media size, and job complexity.Up to 20 pages per minute (Letter, A4)First Print Out Time 10 seconds (from Ready)Paper sizePaper tray: Letter, A4, Legal, Folio, Executive, B5, A5Multipurpose tray: Letter, Legal, A4, Folio, Executive,A5, A6, Envelope 10, Envelope DL, Envelope C5,Envelope C6, JIS B5, Monarch Envelope* Min.: 76 x 127 mm (3 x 5 in.)Max.: 216 x 356 (8.5 x 14 in.)Printer resolution Up to 1200 dpi Effective Output(Addressable 1200 x 1200dpi)Emulation PCL 6** Compatible**Compatible with PCL6 Version 2.1OS Compatibility ******Please visit www.samsungprinter.com to download the latest software version.Windows 98/Me/NT 4.0/2000/XP,Various Linux OS (USB only)Memory64 MB (Max. 192 MB)16, 32, 64, 128 MB optional memory availableUse only the Samsung-approved DIMM.16 MB: ML-00MA; 32 MB: ML-00MB; 64 MB: ML-00MC;128 MB: ML-00MDInterface IEEE 1284 Parallel, USB 2.0, Ethernet 10/100 Base TX