Samsung SRP-350U, Service Manual

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2 Product Specifications
2-7
2-3 Thermal Printer Specifications
Item Maximum Conditions Unit Conditions
Print Cycle(S.L.T.)
0.94
ms/Line
Supply Energy 0.315 mJ/Dot
Tsub = 25
Supply Voltage 26.4 V Vp < 28.0V (Vp : Peak of VH)
Substrate Temperature 65 Thermister Temperature
Number of Dots to be
Energized simultaneously
256 Dots Note1
Logic Supply Voltage (Vdd) 7 V Include Peak Voltage of Vdd
Logic Input Voltage (Vin) -0.5 ~ Vdd+0.5 V
Table 2-7 TPH Maximum Condition (At 25 )
2-3-7 Other Component Specification
Item Description Remark
Auto Cutter
•
Model : ORC-RUY80 (OHYANE RIKI MFG, Co.,Ltd)
•
Type : Guillotine Type
•
Motor : DC Brush Motor FK-180SH-12280 (Mabuchi Motor)
•
Voltage : 24V DC 7 %
•
Current : 800mA (Average), 1.6A(Peak)
Paper Feed Motor
•
Model : PM35L-048 (NMB)
•
Type : 4-Phase, 48-Polarity (PM Type Bi-Polar Driver)
•
Voltage : 24V 10% DC
•
Resistance : 20 at 25 per Phase
Paper End Sensor
•
Reflection Type Photo Sensor
Paper Roll Near End
Sensor
•
Reflection Type Photo Sensor
Table 2-8 Other Component Specification
Samsung Electro-Mechanics