: Once restarted, check the functionality of your Seiki 870T with your computer to ensure it's working as expected.
Look for the package (often listed as the FTDI driver or CH341 driver package specifically compiled for Seiki cutting plotters). Download the .zip or .exe file directly to your desktop. Step 2: Uninstall Old Plotter Drivers (If Applicable) Disconnect your Seiki 870t plotter from the computer. Seiki 870t Driver UPD Download