: Ensure you are using a high-quality RS-232C serial cable if you are not using the direct USB connection, as standard serial cables may not communicate correctly.
Getting your Jinka 721 cutting plotter to work seamlessly with Windows 10 can sometimes be a challenge. Because Jinka machines primarily rely on USB-to-serial communication chips, Windows 10 often fails to recognize the device automatically, leading to frustrating "device not recognized" or "offline" errors.
Plug the USB cable into your PC and turn on the plotter. Verify in Device Manager: Right-click the Start button and select Device Manager .
| Problem | Possible Solution | | :--- | :--- | | | - Restart your computer with the machine turned on and connected. - Check that the USB cable is securely plugged in. - Re‑install the CH341SER driver if using a serial adapter. | | Windows cannot find the driver | - Make sure you have downloaded the 64‑bit version if you are on 64‑bit Windows 10. - Extract all files from the ZIP folder before pointing Device Manager to them. | | Plug‑in does not appear in CorelDRAW | - Ensure you installed the plug‑in after CorelDRAW was closed. - Re‑run the installer as an administrator. - Check that your version of CorelDRAW is supported (e.g., X3 through X8, 2017‑2019). | | Cutting is inaccurate or shifts | - Calibrate the machine: ensure the media is straight and pinch rollers are correctly placed. - Reduce cutting speed and force for delicate materials. - Test with a simple square before cutting complex designs. | | Computer restarts when sending a cut | - This was reported by a user on the Rotuleros forum. The cause was a driver conflict. Uninstall any previous cutting plotter drivers, clean the registry (use CCleaner or similar), and re‑install only the Jinka driver. |
What or status do you see in the Windows Device Manager?
There are several ways to obtain the driver for your Jinka 721:
A driver is a piece of software that allows your computer to communicate with hardware devices. For the Jinka 721 cutting plotter to function correctly on Windows 10, you need the proper USB and/or serial drivers. Without the correct driver, your computer will not recognize the cutting plotter when you connect it via USB, and you will not be able to send cutting commands from your design software.
Change the output port from "File" or "USB" to the corresponding from your Device Manager. Apply changes and run a test cut. Troubleshooting Common Jinka 721 Errors on Windows 10 Issue 1: The Plotter Cuts Random Symbols or Zigzag Lines
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This paper provides a specific guide for downloading and installing the Jinka 721 driver on Windows 10. The steps outlined may not be applicable to other printer models or operating systems.
What you use to cut (SignMaster, ArtCut, CorelDraw, etc.) The error message you see in Device Manager (if any) What happens when you try to send a test cut