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LTPH245 Datasheet(PDF) 36 Page - Seiko Instruments Inc

Part # LTPH245
Description  LINE THERMAL PRINTER MECHANISM TECHNICAL REFERENCE
PDF  64 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

LTPH245 Datasheet(HTML) 36 Page - Seiko Instruments Inc

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3-23
3.6.8
Calculation Sample for the Head Activation Pulse Width
Table 3-10 lists the calculation sample of the head activation pulse width that was calculated using
equation (3) and the values obtained using equations (4) to (8).
Table 3-10 Activation Pulse Width
Motor Drive Frequency (PPS)
Head Drive
Voltage (V)
Thermistor
Temperature
℃
100
200
300
400
500
600
700
800
900
1000
09.91
10
8.94
20
7.97
30
7.00
4.2
40
6.03
50
5.06
4.67
60
4.09
3.77
70
3.12
2.87
2.70
80
2.14
1.98
1.86
1.77
06.10
10
5.51
20
4.91
4.53
30
4.31
3.98
5.0
40
3.71
3.42
3.22
50
3.11
2.87
2.70
60
2.52
2.32
2.18
2.08
2.00
70
1.92
1.77
1.66
1.58
1.52
1.47
80
1.32
1.22
1.15
1.09
1.05
1.01
0
3.79
3.50
3.29
10
3.42
3.15
2.96
20
3.05
2.81
2.64
30
2.68
2.47
2.32
2.21
6.0
40
2.30
2.13
2.00
1.90
1.83
50
1.93
1.78
1.68
1.60
1.53
1.48
60
1.56
1.44
1.35
1.29
1.24
1.20
1.17
70
1.19
1.10
1.03
0.98
0.94
0.91
0.89
80
0.82
0.76
0.71
0.68
0.65
0.63
0.61
0
2.41
2.22
2.09
1.99
1.91
10
2.17
2.00
1.88
1.79
1.72
1.67
20
1.94
1.79
1.68
1.60
1.54
1.49
30
1.70
1.57
1.47
1.40
1.35
1.31
1.27
1.24
7.2
40
1.46
1.35
1.27
1.21
1.16
1.12
1.09
1.07
1.05
50
1.23
1.13
1.07
1.01
0.97
0.94
0.92
0.90
0.88
60
0.99
0.92
0.86
0.82
0.79
0.76
0.74
0.72
0.71
70
0.76
0.70
0.66
0.62
0.60
0.58
0.56
0.55
0.54
80
0.52
0.48
0.45
0.43
0.41
0.40
0.39
0.38
0.37
0
1.87
1.72
1.62
1.54
1.48
1.43
1.39
10
1.68
1.55
1.46
1.39
1.34
1.29
1.26
1.23
1.20
20
1.50
1.39
1.30
1.24
1.19
1.15
1.12
1.10
1.07
30
1.32
1.22
1.14
1.09
1.05
1.01
0.98
0.96
0.94
0.93
8.0
40
1.14
1.05
0.99
0.94
0.90
0.87
0.85
0.83
0.81
0.80
50
0.95
0.88
0.83
0.79
0.76
0.73
0.71
0.69
0.68
0.67
60
0.77
0.71
0.67
0.64
0.61
0.59
0.57
0.56
0.55
0.54
70
0.59
0.54
0.51
0.48
0.47
0.45
0.44
0.43
0.42
0.41
80
0.40
0.37
0.35
0.33
0.32
0.31
0.30
0.29
0.29
0.28
0
1.62
1.49
1.40
1.34
1.28
1.24
1.21
1.18
10
1.46
1.35
1.27
1.21
1.16
1.12
1.09
1.06
1.04
20
1.30
1.20
1.13
1.07
1.03
1.00
0.97
0.95
0.93
0.91
30
1.14
1.05
0.99
0.94
0.91
0.88
0.85
0.83
0.82
0.80
8.5
40
0.98
0.91
0.85
0.81
0.78
0.76
0.73
0.72
0.70
0.69
50
0.83
0.76
0.72
0.68
0.66
0.63
0.62
0.60
0.59
0.58
60
0.67
0.62
0.58
0.55
0.53
0.51
0.50
0.49
0.48
0.47
70
0.51
0.47
0.44
0.42
0.40
0.39
0.38
0.37
0.36
0.36
80
0.35
0.32
0.30
0.29
0.28
0.27
0.26
0.26
0.25
0.25
Note)
The above table shows values for recommended 65
µ thermal paper, resistance rank B, Rc+rc=0.20, and N=64.
Do not use this area
because paper feed errors
may occur because of the
motor torque.



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