LK-T21 Technical Manual
1.8 Internal Buffer
1) Receive buffer: 4kbyte
1.9 Electrical Characteristics
1) Supply voltage: +24 VDC ± 7%
2) Current consumption (at 24V):
Operating: Approx. 1.5A(at ASCII Printing)
Peak:Approx. 10A(at print duty 100%, For 10 seconds or less)
Stand-by: Approx. 0.15A
1.10 EMI and Safety Standards Applied
1) Europe: EMI – EN55022 CLASS A
EMS – EN61000-3-2, EN61000-3-3, EN50082-1
Safety Standard: EN60950
2) North America: EMI - FCC Part#15 Class A
Safety Standards- UL(1950), c-UL(No.950)
1.11 Reliability
1) MCBF: 50 million lines
(based on an average printing rate of 12.5% with paper thickness in the range 65 ㎛
to 75 ㎛).
35 million lines
(based on an average printing rate of 12.5% with paper thickness in the range 76 ㎛
to 150 ㎛)
2) Cutter Life: the cutter performs 1,000,000 cuts with thickness 65 ㎛, and/or 300,00cuts with
thickness 100 ㎛ to the paper
1.12 Environmental Conditions
1) Temperature: Operating: 5° to 45°C
Storage: -20° to 60°C
(except for paper)
2) Humidity: Operating: 10 to 90%RH
Storage: 10 to 90%RH (except for paper)
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