Epson TM-T20III User Manual

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Chapter 3 Advanced Usage
Recovery conditions from receive buffer BUSY
• Releases the BUSY state when the remaining receive buffer capacity reaches 256 bytes (default setting)
• Releases the BUSY state when the remaining capacity of the receive buffer reaches 138 bytes.
Receive buffer capacity
• 4 KB (default setting)
• 45 bytes
Condition for BUSY
• Receive buffer full/Offline (default setting)
• Receive buffer full
Near-end detection
• Disabled (default setting)
• Enabled
Print density
Selectable from levels 1 to 7 (Light to Dark)
Default setting: Level 4
Depending on the paper type, it is recommended to set the print density as shown in the table below for the best
print quality.
• 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 roll paper 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
Original Paper type Density
AF50KS-E
KT55FA
KT48FA
Level 4
F5041(48)
F5041(55)
Level 5
When the print density level is increased, print speed may be reduced.

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