2.1.9Power Supply Circuit
This power supply circuit supplies the +5VDC, +8VDC, +40VDC, 10VAC.
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| Control Board |
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SW |
| Noise | Rectifier |
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| +40V | ||
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| filter | ||
| Fuse |
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| circuit |
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| Trans- |
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| former | Rectifier | +8V |
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| Regulation | +5V |
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| Circuit | |
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| AC10V |
The uses of output voltages and signals are described below.
Voltage/signal | Use |
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+5V | Logic IC/LED drive voltage |
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+8V | Serial interface line voltage and SP motor driver |
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+ 40V | Printhead, LF motor drive voltage, SP motor drive voltage |
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AC 10V | Option board |
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