Roland GR-640 User Manual page 402

You must use a laser or inkjet printer with a resolution of 720 dpi or greater.
If the printed filled sections are blurred, crop marks will not be read correctly.
Plug-In for Illustrator
Be sure to install this program.
Installing Plug-In for Illustrator
Material
This example uses A4-size material.
Materials That Can Be Used for Printing and Cutting
Sample Data
Use Sample.bmp, which is found in the CutStudio folder under Applications.
Printing and Cutting Procedure (Illustrator)