Samsung SRP-350PG - SRP 350 B/W Direct Thermal..., Service Manual

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2 Product Specifications
2-6
2-3 Thermal Printer Specifications
2-3-5 Printable Area
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”
5
”
3 655 54405,7
”
,
”
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8 4.54409,
”
3
Figure 2-4 Printable Area
2-3-6 TPH(Thermal Printer Head) Specification
Item Description Remark
Heat Element Structure 2 Heaters / Dot
Number of Heat Element 512 Dots
Heat Element Pitch 0.141 mm/dot, 7.09 Dot/mm (180DPI)
Print Width 72.192 0.2mm
Average Resistance
650 3%
Thermister
Resistance R25 : 30 5% (At 25 )
B Value : 3950 K 2%
Temperature : -20 ~ +80
Table 2-6 TPH Specification
b
c d e
a
a = 80-1.0mm (3.13” 0.02”)
b = 1.41mm 0.05mm (.056” .008”)
c = 72.2mm 0.2mm (2.84” .002”)
d = 2.5mm (0.098”) Over
e = 2.5mm (0.098”) Over
[All the numeric values are typical]
Samsung Electro-Mechanics