First, a reality check. The ROHS 721 does not function like an inkjet printer. There is no "universal driver" that adds complex color management. Instead, the "driver" is usually a SignCut, FlexiSIGN, or Sure Cuts A Lot (SCAL) plugin profile, or a Windows Communication Driver (usually a CH340 or PL2303 chipset driver).
The ROHS 721 is a fantastic mechanical plotter. It cuts vinyl, reflective, and even thin cardstock beautifully. However, its electronics are dated. If you cannot get the driver to work after 2 hours of troubleshooting, consider buying a $20 . This bypasses the plotter’s internal USB logic entirely and gives you a clean, modern driver path. rohs 721 cutting plotter drivers
Having issues? Follow this precise order: First, a reality check
Disclaimer: This post is for educational purposes. ROHS is a certification standard (Restriction of Hazardous Substances) but is commonly used as a brand name for Chinese cutters. Always back up your system before installing legacy drivers. Instead, the "driver" is usually a SignCut, FlexiSIGN,