Samsung 2 COLOR THERMAL PRINTER SRP-275, Service Manual

Page: 40 / 136

Rev. 2.00
- 40 -
SRP-275
3-3-7 Reliability
Item Description Remark
Life
• Mechanism : Approx. 10 million lines
• Auto cutter : Approx. 1 million cuts
(End of life is defined as the point at which the printer
reaches the beginning of the Wear out Period.)
Head Approx. 300 million dots/wire
3-3-8 Certification
Item Description Remark
Europe CE marking, TUV/GS : EN60950-1; 2001
North America EMI : FCC Class A
Safety standards UL / C-UL : UL60950-1
National CB-scheme : IEC 60950-1: 2001
EMC Directive 89/336/EEC
• EN55022 Class A : 1998+A1 : 2000
• EN55024 : 1998:+A1 : 2001
• EN61000-3-2 : 2000
• EN61000-3-3 : 1995+A1 : 2001
Low voltage Directive 73/23/EEC Safety : EN60950-1 : 2001
3-3-9 Printer(SMP715) pin Descriptions
Pin No. Pin name Description
1 Thermistor Thermistor Output Value in Printer Head
2 GND -
3 Printer Head Head #7
4 Printer Head Head #1
5 Printer Head Head #5
6 Printer Head Head #3
7 VCC_24V The Voltage for Driving Print Heads
8 VCC_24V The Voltage for Driving Print Heads
9 VCC_24V The Voltage for Driving Print Heads
10 Printer Head Head #2
11 Printer Head Head #9
12 Printer Head Head #4
13 Printer Head Head #8
14 Printer Head Head #6
15 VCC_5V Sensor and Motor Driving
16 H/S Output Head home position check
17 Carriage Motor_PA Phase PA of the Carriage Motor
18 Carriage Motor_PAn Phase PAn of the Carriage Motor
19 Carriage Motor_PB Phase PB of the Carriage Motor
20 Carriage Motor_PBn Phase PBn of the Carriage Motor
21 Carriage Motor ON/OFF Control Driving voltage or Holding Voltage Of Carriage Motor
22 Feed Moter A Phase A of the Feed Motor
23 Feed Moter An Phase An of the Feed Motor
24 Feed Moter B Phase B of the Feed Motor
25 Feed Moter Bn Phase Bn of the Feed Motor
26 VCC_24V The Voltage for Driving Motors
27 VCC_24V The Voltage for Driving Motors
28 SOL Ribbon solenoid down
29 GND -
30 GND -