The user manual for SNA*ps 3287 tells you how to print data that is wider
than the page to a LaserWriter. Use the Landscape option in the printing
dialogue at 76 percent to allow printing 132 columns by 66 rows. This is
the normal 3287 printer paper size.
The "Use custom formatting" option in the Session menu lets you to choose
font, size, lines/inch, and other parameters to get the output format as
close as possible to your ideal.
Print preview, in the Session menu, lets you preview your output in a
separate window.
The font that ships with SNA*ps 3287, called Noiro, is designed to mimic
the look of IBM fonts; the custom formatting and preview options should
enable you to diverge from the IBM look.