Rev. 2.00
- 41 -
SRP-275
3-3-10 Printer Head Specification
Item
Description
Remark
Model N09-15KS
Type : Ballistic type (Free fight)
Number of wire : 9pins
Dot pitch : 0.352 (1/72”)
Specification
Dot wire diameter : 0.3mm (0.01”)
Resistance : 18
Ω
± 1.5
Ω
(at 20
℃
)
Inductance : 4.2mH ± 10% open circuit (at 1000Hz, 1VRMS)
Temperature rate : 155
℃
Solenoid coil
Insulation resistance : 20M
Ω
with 500V/DC
Type : Constant voltage
Voltage : 24VDC±5% (Normal) (At printer head)
Current : 1.3A
Driver circuit
Pulse : 330
μ
sec (Head on time)
Platen Gap : 0.40 ~ 0.50mm
Max. frequency : 1500Hz
Performance
Forms capability : Or 2 copies
Max. operating temp. : 90
℃
Temperature
Max. transient temp. : 110
℃
,For 5 minutes (25% duty)
3-3-11 Printer Head Thermistor Specification
Item
Description
Remark
Type
NTC, F-CHIP FF103J
Electronic
Characteristics
• Resistance R25: 10
㏀
± 5
Ω
(At 25
℃
)
•
β
Value : 3950K ± 2
Temperature strage –30
℃
~ 125
℃
Rx formula
Exp( -4.864 4344.5751119/T - 13183560.21/T^3)
T : Absolute temperature
3-3-12 PF(Paper Feed) Motor Specification
Item
Description
Remark
Model
PM42L-048-YKG3 (MINEBEA ELECTRONICS Co.Ltd)
NMB
Voltage 24VDC±10%
Current
500mA / Phase (Peak)
Resistance
7.4
Ω
± 5% at 25
℃
Step angle
7.5°
Pull out torque
800 PPS 590 g·cm
Summary of Contents for 2 COLOR THERMAL PRINTER SRP-275
Page 1: ...Service Manual SRP 275 Impact Printer Rev 2 00 http www samsungminiprinters com ...
Page 52: ...Rev 2 00 52 SRP 275 Bottom view ...
Page 63: ...Rev 2 00 63 SRP 275 4 4 8 Ethernet Interface IFC E TYPE ...
Page 65: ...Rev 2 00 65 SRP 275 4 5 Schematic Diagram 4 5 1 Main Circuit Diagram ...
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Page 74: ...Rev 2 00 74 SRP 275 4 5 2 Head circuit diagram ...
Page 75: ...Rev 2 00 75 SRP 275 4 5 3 Serial Interface Diagram RS 232C ...
Page 76: ...Rev 2 00 76 SRP 275 4 5 4 Parallel Interface Diagram IEEE 1284 ...
Page 77: ...Rev 2 00 77 SRP 275 4 5 5 USB Interface Diagram Universal Serial Bus ...