If the vinyl doesn t load straight unload and reload until it does.
Loading vinyl without mat.
The first was that my vinyl is stored in ikea trash bag holders https amzn to 3a10q1i and the vinyl kept curling up the second was how soft flexible the vinyl i chose was.
Send it to cut.
Change the cutting mat option to none.
If you cut something like paper without a mat the piece you cut out won t have anywhere to go and it will be sliding around in your machine without any rhyme or reason which is no bueno.
If you have a cameo 1 or 2 select load media from the panel.
Loading vinyl without a mat.
If it doesn t go in straight it won t be long before it goes awry.