Cutting Plotter Kh-720 ((free)) Jun 2026
| Feature | KH-720 | US Cutter MH-721 | Silhouette Cameo 4 | |---------|--------|------------------|--------------------| | Cutting width | 620 mm | 610 mm | 305 mm | | Max force | 500 g | 500 g | 210 g (but tangential) | | Contour cutting | No (basic models) | Optional sensor | Yes (optical) | | Price range | $250–400 | $300–500 | $300–400 | | Best for | Large stickers, signs | Same as KH-720 | Home craft, HTV |
If you are considering the KH-720, a strategic approach can help mitigate its potential downsides.
Problem: The machine cuts jagged lines or circles do not close.
The Cutting Plotter KH-720 is a functional and affordable entry into vinyl cutting. Its 720mm width accommodates standard 24-inch rolls, making it suitable for small signage, decals, and heat transfer projects. Success with the machine depends on proper blade setup, offset calibration, and regular cleaning. While lacking advanced features like optical registration for contour cutting (though some KH-720 variants may include a mark sensor as an option), it remains a reliable choice for users who require a wide-format cutter without a large investment. cutting plotter kh-720
Stepper motor for high-speed, low-noise operation.
: Dual accessibility via both standard USB and traditional COM (serial) ports .
: Graphic designers can use the KH-720 to cut out complex designs and shapes for projects, prototypes, and presentations. | Feature | KH-720 | US Cutter MH-721
is a 28-inch professional-grade vinyl cutter recognized for its balance of high-precision performance and affordability. Capable of handling a wide variety of materials, it is a staple tool for both budding home businesses and established commercial sign shops. Key Specifications and Features
| Problem | Likely Cause | Solution | |--------|-------------|----------| | | Blade too long or force too high | Shorten blade, reduce force (start at 80g) | | Vinyl not cutting through | Blade dull, force too low, speed too high | Replace blade, increase force, reduce speed | | Letter peeling / incomplete shapes | Tangled media or low pinch roller pressure | Reload vinyl, check pinch rollers | | Plotter not detected | Wrong driver / USB cable | Reinstall driver, use Windows 8.1 compatibility mode | | Diagonal lines wavy | Too high speed / grit shaft dirty | Reduce speed (250 mm/s), clean grit shaft with alcohol | | Off-registration (cutting over print) | Media not straight or pinch rollers misaligned | Reload media parallel, move pinch rollers to outer edges |
| Symptom | Likely Cause | Solution | |---------|--------------|----------| | Incomplete cuts | Low force or dull blade | Increase force (grams) or replace blade | | Vinyl tears while weeding | Blade too deep or slow speed | Reduce blade extension; increase speed | | Curves have flat spots | Incorrect offset value | Re-calibrate offset in software | | Material skews | Uneven pinch roller pressure | Align pinch rollers over grit ridges | | Unrecognized by PC | Wrong driver or USB cable | Install HP-GL driver; use short USB 2.0 cable | Its 720mm width accommodates standard 24-inch rolls, making
| Feature | KH-720 | USCutter MH-721 | Silhouette Cameo 4 | |---------|--------|-----------------|---------------------| | Width | 720 mm | 720 mm | 305 mm | | Force | 500 g | 600 g | 5 kg (with electro-matic) | | Max thickness | ~0.3 mm | ~0.5 mm | ~2 mm (with blade adjust) | | Target user | Small sign shop | Hobby/prosumer | Hobby/craft | | Software | SignMaster | Sure Cuts A Lot | Silhouette Studio |
The KH-720 typically runs on a DSP-based controller (often a derivative of the Amic or Topward platform). Its two most important features are:
The hardware assembly of the machine focuses on preventing common industrial vinyl-cutting errors such as slippage and tracking misalignment .
Issue 1: The blade is tearing the vinyl instead of cutting cleanly.