This model is especially popular in markets like Indonesia, where it's affectionately nicknamed "Mesin Cutting Sticker Sejuta Umat" (the sticker cutting machine of the common people). Its appeal lies in its balance of affordability, durability, and a wide cutting area suitable for A3+ sized media.
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 .
Note down this COM port number. You will need it for your cutting software. Configuring Your Cutting Software
Once the driver is successfully installed in Windows, you must point your design software to the correct virtual port. How to Configure SignMaster / ArtCut / FlexiSign