Installation and Compatibility
A1: Based on available information, driver support for macOS is limited. Most documentation and user experiences focus on Windows operating systems. It is advisable to use a Windows PC for the Rohs 721.
If your software requires manual flow properties, open the port properties in Device Manager and match these settings:
Select the exact COM port number noted from Device Manager (e.g., COM3 ). Rohs 721 Cutting Plotter Driver Pc
User Interface and Workflow
9600 (Crucial; setting this higher will cause random stops mid-cut). Data Bits: 8 Parity: None Stop Bits: 1
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. If your software requires manual flow properties, open
Double-check that the "Flow Control" is set to Hardware or XON/XOFF in your software settings.
Ensure you are not using both the serial and USB cables at the same time, as this can cause hardware conflicts.
: Choose manufacturer "Others" and model "DMPL" or " Refine MH721 " . SignCut / Easy Cut Studio : Look for " Refine MH721 " or " Refine EH721 " in the device list. This link or copies made by others cannot be deleted
In your software’s device setup menu, you will need to select a machine profile. Because "RoHS 721" might not be listed, look for these identical alternative names: Refine MH721 Generic MH721 DMPL/HPGL Universal Plotter Setting up the Communication Parameters
Because "RoHS" is a hazard compliance standard rather than a brand name, searching for a "RoHS brand driver" will yield scam websites or dead links. To get the correct driver, use these verified manufacturer channels: Option A: The CH340/CH341 Driver (Most Common)
This usually happens on Windows 10 or Windows 11 because the operating system blocks old drivers that lack a modern digital certificate.
: Offers a high cutting speed of up to 800mm/s and a digital cutting force range of 10g to 500g , allowing it to handle materials like heat transfer vinyl, cardstock, and adhesive film.
The Rohs 721 vinyl cutter connects to your PC via a USB cable or a 9-pin Serial (RS-232) cable. If you are using the USB connection, your computer needs a driver to translate the USB signal into a virtual serial COM port.