Print method 9-pin serial impact dot matrix Technology Serial Impact Dot Matrix Print Speed 4.70 lps (40 columns, 16.00 cpi) Column capacity receipt Paper width 76 mm, 33 / 40 Character size 1.6 mm (W) x 3.1 mm (H) / 1.2 mm (W) x 3.1 mm (H) Character set 95 Alphanumeric, 48 International, 128 x 12 Graphic Characters per inch 13.3 cpi / 16 cpi Paper Paper Types Receipt Copy capability receipt One copy plus one original Paper size roll paper 76.00 ± 0.50 (W) mm x dia 83.00 mm, 57.50 ± 0.50 (W) mm x dia 83.00 mm Interfaces Bi-directional parallel, RS-232, USB, Ethernet Power Supply PS-180 (option) Operating voltage 24 V