TransAct Ithaca 280, Руководство программиста

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Specifications and Requirements iTherm
®
280 Programmer’s Guide
28-04430 Rev K Page 19
Electrical Characteristics
Internal AC Powered
The iTherm® 280 Printer is designed to be AC self-powered in domestic and
international markets. The printer is equipped with a universal input power supply that is
designed to operate worldwide without modification.
Supply
Voltage
Rating
(VAC)
Supply
Voltage
Range
(VAC)
Frequency
(Hz)
Rated Power
(watts)
Idle Current
(amps)
Printing Current
(amps)
100-240 90-264 47
– 63
45 .1A @ 120VAC
.05 A @ 240VAC
1.4 A @ 120VAC
.7 A @ 240VAC
Table 4 Standard Power Input Requirements
External Powered DC
Optionally, the iTherm® 280 Printer can be operated with 24-volt DC power supplied
from a host terminal or external supply. Connection to this printer version is made via a
three-pin Hosiden type connector.
Supply
Voltage
Rating
(VDC)
Supply
Voltage
Range
(VDC)
Frequency (Hz) Idle
Current
(amps)
Current (amps)
24
-5+10%
22.8
–
26.4
2
DC 0.125 A 2.0 A (Cash Drawer Fire)
3.5 A (Printing maximum for < 1 minute)
4.8 A Peak (< 167 msec.)
Table 5 Power Input Requirements with the 24-volt DC Power
The iTherm® 280 can be configured to operate with various power supplies. If a DC
power supply with less capability is used, the printer must be configured for reduced
power and the printer will print slower.
Thermal Print Head
Thermal Print Head Overview:
Number of heat elements: 640
Heat element pitch: 0.125 mm (8 dots/mm.)
Print width: 80 mm. +/- 0.2 mm.
Pulse Life: 100 million pulses
Abrasion Life: 100 km.
Vertical dot pitch 0.264 mm (0.0104 inch) or 96 DPI
Operating Temperature 5-45 degrees C
Humidity: 10-90 % RH (non-condensing)
Operation Precautions:

Do not print without paper.

Clean the head with ethyl-alcohol after power is removed from the printer. This will
remove foreign particles or paper dust which may degrade print quality.

Be sure to set the paper width in the printer
‘s configuration to agree with the paper
being used (58 or 80 mm width).
2
For DC powered printers, the cash drawer is supplied directly from the DC input supply. The
cash drawer requirements may affect the allowable range of voltages.