Epson Epson TM-T88IV (082): Serial, PS, EDG. Maximum resolution: 203 x 203 DPI. Print speed: 200 mm/sec. Interface: Serial (RS-232), Optional connectivity: Ethernet, USB, Connectivity technology: Wired. Flash memory: 0.256 MB. Weight: 1.8 kg, Dimensions (WxDxH): 145 x 195 x 148 mm