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How to Use:
1. Please pay special attention to the drive direction, do not insert the reverse.
2. Be sure not to connect the motor when measuring the voltage, otherwise it is easy to burn the problem moving.
3. When measuring the voltage should be connected to the power supply, do not just connect the USB power supply.
4. When used on the printer control board, please retain the three jumper covers under the jack.
5. Before adjusting the knob must be carried out in the case of power failure, adjust the completion of the power measurement, to prevent the driver or the motherboard burned.
6. paste heat sink, please pay attention to the distance between the heat sink and the pins, otherwise it will cause a short circuit between the heat sink and the pin corner.
7. Dynamic working conditions, please do a good job of heat dissipation (heat sink and cooling fan), to prevent the drive overheating of the abnormal work.