EPSON LX-300+II/300+II RTP/1170II
Revision D
Operating Principles
Printer Mechanism
45
2.2.1 Printhead
The table below shows the printhead specifications.
Figure 2-3. Wire Configuration
2.2.1.1 Buzzer Function
This printhead also works as a buzzer. The table below shows buzzer specification.
Table 2-2. Printhead Specifications
Item
Specification
Number of wires
9
Diameter of wire
φ
0.29 mm
Wire configuration
See Figure 2-3 "Wire Configuration".
Note: The figure is seen from the back of the head
facing printing side.
Direct current coil resistance
33.3 ±3.3
Ω
(25°C)
Head drive method
Rated voltage drive
Head drive voltage
35+2.1/-3.5 V
Peak current
• Normal: 0.75 A (Standard)
• Copy: 0.85 A (Standard)
1.0 A (Maximum)
Head drive frequency
• Normal: 1350Hz or less
• Copy: 1350Hz or less
Head life
• Black ribbon: 0.2 billion strokes/ wire or more
• Color ribbon: 0.1 billion strokes/ wire or more
Environmental condition
• Temperature: 5 to 55°C
• Humidity: 10 to 85%
Table 2-3. Buzzer Function -- Specification
Item
Specification
Head voltage
35 +2.1 / -3.5 V
Drive frequency
2kHz, 1.5kHz
Содержание cLX-300+II RTP
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 42: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 56: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 65: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 85: ...C H A P T E R 5 ADJUSTMENT ...
Страница 92: ...C H A P T E R 6 MAINTENANCE ...
Страница 97: ...C H A P T E R 7 LX 300 IIRTP ...
Страница 110: ...APPENDIX ...
Страница 127: ......
Страница 128: ......
Страница 129: ......
Страница 130: ......