Postscript export is used for high-quality printing. The following options can be set in the export settings dialog or via the report URL parameters.
Options
PostScript Level: Version of the PostScript language. Higher levels support more features and better quality; choose a level supported by your printer or RIP.
Values:
Level 1 - original specification, basic imaging and font rendering
Level 2 - adds color spaces, composite fonts, compression, forms, and improved color printing
Level 3 - adds smooth shading, masked images, transparency, and better halftoning; most capable