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Open Device Manager, go to the properties of your COM port, navigate to Port Settings -> Advanced, and change the COM Port Number to a lower, unused number (like COM1 or COM2).

Rohs 721 Cutting Plotter Driver Pc Jun 2026

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Open Device Manager, go to the properties of your COM port, navigate to Port Settings -> Advanced, and change the COM Port Number to a lower, unused number (like COM1 or COM2).

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