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Appendix
Specifications of Interface
USB Interface
USB interface connector
USB-C connector
USB transmission specifications
USB function
USB Descriptor
Item Specifications
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 2 mA
USB packet size
(with Full-Speed connection)
USB bulk OUT (TM) 64 bytes
USB bulk IN (TM) 64 bytes
USB device class Both USB vendor-defined class and USB printer class are
supported.
To set the USB device class, see "Software Settings" on page 57.
Item USB vendor-defined class USB printer class
Vendor ID 04B8h
Product ID 0202h 0E33h
String Descriptor Manufacturer EPSON
Product TM-P20II Wi-Fi
TM-P20II Bluetooth
Serial number Character string based on the product serial number
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