EPSON — Functions

• For information about the TM-T20 Utility, see the TM-T20 Utility User’s Manual. • For information about how to use the memory switch setting mode, see "Memory Switch Setting Mode" on page 74 . • For information about ESC/POS commands, see the ESC/POS Quick Reference or the ESC/POS Application Programming Guide. Receive buffer capacity • 4KB (initial setting) • 45 bytes BUSY condition • Receive buffer full/Offline (initial setting) • Receive buffer full • In either case above, the printer enters the BUSY state after power is turned on, and when a self-test is being run.

• If BUSY condition is set to “Receive buffer full,“ the printer will not become BUSY ∗ When the cover is open ∗ When paper is fed by the FEED button ∗ When printing has stopped for a paper out ∗ When macro execution ready state ∗ When error has occurred Processing when data receive error • Prints “?” (initial setting) • Ignored Auto line feed • Always enabled (initial setting) • Always disabled 44 Functions