ML620/ML621 User’s Guide Appendix C:SpecificationsNote: Specifications are subject to change withoutnotice.Print MethodImpact dot matrixPrinthead18 pins, 0.30 mm (0.012”) diameter, withthermal protectionInterfacesStandard: Bi-directional parallel, IEEE-1284compliant, USB 2.0Optional: RS-232C SerialReceive Buffer SizeMaximum 128KPrinthead Life400 million characters average in 10 cpi utilitymode at 25% duty and 35% page densityReliabilityRibbon LifeML620: approx. 8 million characters (Utility Mode)ML621: approx. 13 million characters (UtilityMode)Emulations (co-resident)IBM Proprinter IIIEpson FXOki MICROLINE StandardPhysical SpecificationsNote: Height dimensions do not include the acousticcover.ML0Size (WxDxH): 16.3 x 12.6 x 6.26”(414 x 320 x 159 mm)Weight: 16.4 lb. (7.5 kg)ML1Size (WxDxH): 22.36 x 12.6 x 6.26”(568 x 320 x 159 mm)Weight: 21.5 lb. (9.8 kg)
