Epson TM-T20III User Manual

89
Appendix
XON/XOFF
When XON/XOFF control is selected, the printer transmits the XON or XOFF signals as follows.
The transmission timing differs, depending on the BUSY condition.
Code
The hexadecimal numbers corresponding to the XON/XOFF codes are shown below.
• XON code: 11H
• XOFF code: 13H
Signal Printer status
BUSY condition
Receive buffer full
Receive buffer full/
Offline
XON When the printer goes online after turning on the power
(or reset using the interface)
Transmit Transmit
When the receive buffer is released from the buffer full
state
Transmit Transmit
When the printer switches from offline to online - Transmit
When the printer recovers from an error using some
ESC/POS commands
- Transmit
XOFF When the receive buffer becomes full Transmit Transmit
When the printer switches from online to offline - Transmit
• When the printer goes from offline to online and the receive buffer is full, XON is not
transmitted.
• When the printer goes from online to offline and the receive buffer is full, XOFF is not
transmitted.
• When handshaking is set to DTR/DSR, XON is not transmitted as long as the printer is offline,
even if a receive buffer full state has been cleared.

Epson TM-T20III Specifications

General

Type	POS printer
Character sets	ANK
Print technology	Direct thermal
Maximum resolution	203 x 203 DPI
Maximum roll diameter	83 mm
Supported paper width	80 mm
USB port	Yes
USB connector	USB Type-B
Standard interfaces	RS-232, USB 2.0
Serial interface type	RS-232
Serial ports quantity	1
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technology	Wired
Mean cycles between failures (MCBF)	60000000
AC input voltage	24 V
Power consumption	1800 mA
Power source type	AC
Power consumption (standby)	100 mA
Product color	Black
Safety	UL, CSA, TÜV
Certification	FCC-Class A, CE, EN55022-Class A
Country of origin	Philippines
Mounting position	Horizontal/Vertical
Autocutter durability	1.5 million cuts
Built-in sensors details	Roll paper cover open sensor, Paper End Sensor, Paper Near End Sensor
Sound pressure level (printing)	55 dB
Mean time between failures (MTBF)	360000 h
Storage temperature (T-T)	-10 - 50 °C
Operating temperature (T-T)	5 - 45 °C
Operating relative humidity (H-H)	10 - 90 %
Package depth	235 mm
Package width	192 mm
Package height	280 mm
Package weight	2620 g
Quantity per pack	1 pc(s)
Ethernet LAN	No
Quantity per pallet	112 pc(s)
Quantity per pallet (UK)	168 pc(s)
Master (outer) case width	400 mm
Quantity per pallet layer	16 pc(s)
Master (outer) case height	295 mm
Master (outer) case length	490 mm
Master (outer) case weight	0 g
Harmonized System (HS) code	84433210
Quantity per pallet layer (UK)	24 pc(s)
Quantity per master (outer) case	4 pc(s)

Weight and Dimensions

Depth	199 mm
Width	140 mm
Height	146 mm