Plotter Driver: Jinka Jk 721 Cutting

The remains a fan favorite because of its simplicity and value. By ensuring you have the correct CH340 USB driver and matching your COM port settings , you can avoid 99% of the technical headaches associated with vinyl cutting.

In the Port settings, change it from "LPT1" to the you found in the Device Manager (e.g., COM3).

Look under "Ports (COM & LPT)." You should see something like "USB-SERIAL CH340 (COM3)." Note that —you will need it later. 3. Setting Up the Plotter Software (Artcut/SignMaster) Open your cutting software. Go to Cut/Plot settings . Select Manufacturer: Jinka and Model: JK-721 .