EPSON TM-T88V Technical Reference Guide - Support
EPSON TM-T88V Technical Reference Guide - Support
EPSON TM-T88V Technical Reference Guide - Support
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AppendixUSB (Universal Serial Bus) InterfaceOutline•Full-speed transmission at 12 Mbps [bps: bits per second]•Plug & Play, Hot Insertion & RemovalUSB transmission specificationsUSB functionOverall specificationsTransmission speedTransmission methodPower supply specificationsCurrent consumed by USB busAccording to USB 2.0 specificationsUSB Full-Speed (12 Mbps)USB bulk transmission methodUSB self power supply function0 mAUSB packet size (with full-speed connection)USB bulk OUT (<strong>TM</strong>)USB bulk IN (<strong>TM</strong>)64 bytes64 bytesStatus transmission from printer with USB interfaceIn order to ensure that there is no lack of status data, it is necessary to periodically retrieve statusdata at the host computer.Unlike RS 232C transmission, it cannot spontaneously interrupt data transmission to the hostcomputer.The printer has a 128-byte status data buffer. Statuses that exceed the buffer capacity arecanceled.111