Error: Printing crashes on a page where an image is displayed with an ioerror, imagemask

This is because the publisher is using Visio diagrams in their documents.

Lizard Safeguard can only print Visio diagrams by printers using PCL drivers.

If you are printing to a postscript driver then the publisher will need to supply you with a document that has images in another format, or you need to use a PCL driver for your printer rather than a postscript one.