Other Component Specification - Sam4s ER-390 Series Service Manual

2-3 Thermal Printer Specifications

2-3-5 Other Component Specification

Item
Part Name
Type
Power Supply Voltage
Paper Feed Motor
Resistance
Current Consumption
Drive Method
Part Name
Number of Heat Element
TPH Heat Element Density
Typical Resistance Value
Current
Constant B
Resistance Value
Thermistor
Temperature Character
Operating Temperature
Type
Paper End Sensor
Spec
Cover Open Sensor Detect Method
SAM4S ER-390 SERIES
All manuals and user guides at all-guides.com
• SP-15RF-015K
• 4-Phase 20 Step PM Stepping Motor
• 4.5V ~8.5V DC
• 20 Ω ±7% (25℃/Phase)
• Approx. 425 mA
• Constant-Voltage Driving using 2-2 Phase
Excitation
• KF2002-GF94C
• 384 Dots
• 8 Dots/mm (0.125 mm/Dot)
• 176 Ω ±4%
• Approx. 5 A (Peak)
• 3950K ±2%
• 30 ㏀ ±5% (25℃)
• Rt=R(25)×Exp[B×{1/(T+273)-1/(25+273)}]
• -20℃ ~ 80℃
• Reflecting Photo Sensor
• SG-2BC (KODENSHI corp.)
• On when the printer head is load.
Table2-5 Other Component Specifications
Description
2 Product Specifications
Remark
Moatech Co., Ltd.
ROHM
2-5