Maintenance Tutorial: How to detect the control board power supply

In this video, we show you how to detect and test the power supply to the control board of your R1390 printer. If your printer is unresponsive or showing erratic behavior, checking the control board's power input is a key troubleshooting step. We’ll guide you through using a multimeter to safely measure voltage and identify any power issues.If you have any questions or need further assistance, feel free to contact Inksonic Technical Support.
⚠️ Important: Always power off and unplug the printer before opening the cover or performing tests. Use proper tools and safety precautions.

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Видео Maintenance Tutorial: How to detect the control board power supply канала InkSonic