Epson TM-T20II Technical Reference Guide - Page 47
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Chapter 2 Setup For information about the TM-T20II Utility, see the TM-T20II Utility User's Manual. For information about how to use the software setting mode, see "Software Setting Mode" on page 78. For information about ESC/POS commands, see the ESC/POS Quick Reference or the ESC/POS Command Reference. Functions Receive buffer capacity • 4KB (initial setting) • 45 bytes BUSY condition • Receive buffer full/Offline (initial setting) 2 • Receive buffer full Processing when data receive error • Prints "?" (initial setting) • Ignored USB power-saving function • Disabled • Enabled (initial setting) The USB power-saving function is valid only when the USB interface communication condition is set to the vendor-defined class and the system configuration is set so that the USB driver can support the USB power-saving function. Release condition of receive buffer BUSY • Releases when the remaining receive buffer capacity becomes 256 bytes (initial setting) • Releases when the remaining receive buffer capacity becomes 138 bytes This function is enabled only when Receive buffer capacity is set to 4KB. 47