QMS 2425 Operation Manual page 131

If your printer is having trouble printing when using PostScript emula-
tion, you should turn on the Error Handler in the control panel menu.
Error Handler is a diagnostic tool that identifies PostScript errors
encountered during a print job.
Menu Administration/Startup Options/Do Error Handler
Choices Yes—Load the Error Handler.
No—Don't load the Error Handler.
Default No
Notes Refer to the PostScript Language Reference Manual
(Adobe Systems Incorporated, Reading, PA:
Addison-Wesley, 1990, ISBN 0-201-18127-4) for
information on PostScript errors. You may also want
to turn on the header page to verify the proper
emulation.
If you experience problems either when installing or using printer
description files on a PC, see "Notes on Installing Printer Description
Files" on page 6-11, in chapter 3, "Connecting to a PC," of Getting
Started .