QMS 860, User Manual, Page: 281 / 398

cable pinouts. You may also want to try setting the printer
to XON/XOFF protocol.)
■ Is your application software PostScript compatible?
(Check the application manual.)
Apple Macintosh Checklist
If you are experiencing problems with printing (not related to print
quality), check the following:
■ Are the LaserWriter and Laser Prep files (version 6.0 or
higher) installed in your System Folder or Extensions
Folder?
■ Have you used the Chooser to select “LaserWriter,” “QMS
860 Print System,” or another PostScript driver?
■ Is AppleTalk active in the Chooser dialog box?
■ Are the screen fonts installed? (See chapter 3,
“Printer-Host Interface.”)
Other Common Printer Problems
Data Indicator Stays Lit
If the Data indicator stays on, one of two problems may exist.
1. If you are downloading additional typefaces, too many can
overload the printer’s memory causing the printer to reset and
lose information previously downloaded to RAM. Make sure
you have enough printer memory for the additional typefaces.
Additional memory (RAM) is available and easily installed.
Chapter 9
T r o u b l e s h o o t i n g 9 - 9