Apple LaserWriter 12/640 PS - Manual (Page 190)

165
The LaserWriter 12/640 PS comes with software and fonts for use with
Mac OS-based computers. This chapter describes the system requirements
and the procedures for installing the printer software and fonts. You’ll also
find explanations for using the standard printing and page setup options of
the LaserWriter 8 printer driver and the desktop printer software supplied
with your printer.
System requirements
To use the printer software, your Mac OS computer must have system software
version 7.1 or later and at least 4 megabytes (MB) of memory (8 MB
recommended). If your system software is an earlier version, you need to
obtain a system software upgrade from your computer or software dealer.
Installing all the printer software and fonts for the Mac OS requires
approximately 9 MB of free space on your hard disk.
6
Mac OS Users