Depending on the PDF printer installed on your system, this problem can occur when you are trying to print from unsaved DWG files.

It is possible that the setting for paper size selection in pCon.planner gets in conflict with the plotter’s paper selection settings.

When printing view ports in the Layout area and in Print Preview, the High Quality Printing option is enabled by default. A mixed process is used for printing: visible lines, edges, dots, hatching and fonts are based on vectors. With vector printing, these elements remain sharp, even when greatly enlarged. Colors and textures are printed as images.