Memory 4 MB (Flash ROM), 8 MB (S-RAM) Operating System Windows(R) 2000, XP, Vista, 2003 Server Dimensions 198 x 258 x 173 mm Weight 5 kg Interface RS-232C (max. 115,200 bps), Centronics (SPP), USB 2.0 (Full Speed), LAN 10/100 Base Duty Cycle 1,000 labels / day Print Speed Up to 5 ips (127 mm/sec), Up to 4 ips (101.6 mm/sec) Print Resolution 203 dpi, 300 dpi Print Method Direct thermal / thermal transfer Ribbon Max ribbon roll diameter: 40 mm Standard ribbon length: 110 m Ribbon width: 33.8 - 110 mm Ribbon Core Width: Fixed 110 mm Print Width 4.25 inches (108 mm), 4.16 inches (105.7 mm) Print Length Max. 995 mm (203 dpi), Max. 453.2 mm (300 dpi) Media Handling Alignment: Centred Media width (backing paper width): 25.4 to 112 mm Label thickness: 0.06 to 0.19 mm Media shape: Roll-fed, fanfold, die-cut, continuous, tag stock, receipt Outer media roll diameter: 127 mm (max.) Inner media roll diameter: 25.4 or 38.1 mm (optional: 76.2 mm) Barcode EAN8, EAN13, UPC-A, UPC-E, NW-7, CODE 39, CODE 93, ITF, MSI, CODE128, EAN128, Industrial 2 of 5, POSTNET, RM4SCC, KIX CODE, RSS14, PLESSEY Options Full cutter module - partial cutter module - peel-off module - external 203 mm OD media stand - keyboard unit (KB-75-QM-R) - power cable tray Power AC 100 to 240 V; 50/60 Hz with universal power supply