Appendix Appendix Specifications of Interface and Connector USB (Universal Serial Bus) Interface Outline • Plug & Play, Hot Insertion & Removal • Full-speed transmission at 12 Mbps [bps: bits per second] USB transmission specifications USB function Status transmission from printer with USB interface In order to ensure that there is no lack of status data, it is necessary to periodically retrieve status data at the host computer. However, it cannot spontaneously interrupt data transmission to the host computer. The printer has a 128-byte status data buffer. Statuses that exceed the buffer capacity are canceled.
83 Overall specifications According to USB 2.0 specifications Transmission speed USB Full-Speed (12 Mbps) Transmission method USB bulk transmission method Power supply specifications USB self power supply function Current consumed by USB bus 0 mA USB packet size USB bulk OUT (with full-speed connection) USB bulk IN 64 bytes 64 bytes