In , right-click your new COM Port and select Properties . Go to Port Settings . Set Bits per second to 9600 . Set Data bits to 8 . Set Parity to None . Set Stop bits to 1 .

Elias began his journey by searching for the "ehm series USB driver". He knew that Windows 10 often struggles with older hardware, sometimes showing the dreaded "Unknown USB Device" error. To bypass this, he right-clicked the Start menu and opened the Device Manager

For 721 series cutting plotters (like the , Seiki SK721 , or Jinka JK721 Go to product viewer dialog for this item.

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