Epson TM-T20III User Manual

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Chapter 2 Setup
Connecting the Printer to the Host
USB Interface
When using USB cable to connect with host device, connect the USB cable to the printer, and after starting the
host device, turn the printer on.
When connecting the USB cable to the printer, fix the cable with the hook to prevent it from being
disconnected.
Serial Interface
When connecting to the host computer through a serial interface (RS-232), connect a serial cable to the printer,
start the host computer, and then turn on the printer.
• Be sure to install the driver before connecting the printer to the host computer.
• The printer uses a modular connector specifically designed for the cash drawer. Do not connect
the connector to an ordinary telephone line.
Do not place any weight or stress on the cable when using. Doing so could damage the cable and
connectors.
• When using connectors equipped with screws, tighten the screws on both sides to secure the
connectors firmly.
• When using interface cables equipped with a ground line, attach the ground line to the screw
hole marked “FG” on the printer.
USB cable
Hooks

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