Apple posted a lengthy Tech Info Library article (“Mac OS 8.5, 8.6: Lexmark Optra Laser Printer Desktop Printing Issue“) which applies to certain Lexmark printers:
Lexmark International, Inc. alerted us to a problem encountered when printing from Mac OS 8.6 to their older Lexmark Optra+ printer using an external network adapter called MarkNet XL. A customer reported similar symptoms when printing from Mac OS 8.5 to their Lexmark Optra C.
The article goes on the provide several workarounds, including reverting back to an earlier version of the LaserWriter driver or disabling Open Transport.
