ISO Print Speed: High Speed Draft 347 cps (10 cpi) 357 cps (12 cpi) 390 cps (15 cpi) High Speed Draft Condensed 383 cps (17 cpi) 298 cps (20 cpi) Draft 260 cps (10 cpi) 312 cps (12 cpi) 223 cps (15 cpi) Condensed Draft 222 cps (17 cpi) 260 cps (20 cpi) Draft with emf sis 130 cps (10 cpi) NLQ 65 cps (10 cpi) 78 cps (12 cpi) 55 cps (15 cpi) ) 47 cps (17 cpi) 56 cps (20 cpi) Operation Systems: OS Microsoftr Windows 2000 / XP / Win 7 - 8 Microsoftr Windows Vistar EPSON Status Monitor 3 Microsoftr Windows 2000 / XP / Win 7 - 8 Microsoftr Windows Vistar EPSON Printer Setting Microsoftr Windows 2000 / XP / Win 7 - 8 Microsoftr Windows Vistar Sound level: approx. 53 dB(A) (ISO 7779 pattern) Dimensions: Width 362 mm ( 348 mm without handle) Depth 275 mm Height 154 mm Weight 4.1 kg Interfaces: Bi-directional parallel (IEEE-1284) Hi-Speed USB (ver 2.0) Serial Control Panel: 4 switches and 5 LEDs