You can connect a LaserWriter IINT to a UNIX host with very little
difficulty. But since the LaserWriter IINT has no Ethernet port, it's
going to be very difficult to connect it directly to an Ethernet network.
You can, however, connect the LaserWriter IINT to a UNIX host via a serial
connection. Then use the UNIX print spooler to allow other UNIX hosts on
an Ethernet to print to the serially connected printer. You could use
Adobe Systems' Transcript software to allow PostScript printing from the
UNIX host. Or you could put the printer into Diablo 630 emulation mode
and use it just like any ASCII printer.
You can connect the ImageWriter the same way. Of course PostScript style
output would not be available, so the Transcript software won't be
necessary.
On AppleLink, you can find contact information for the various vendors by
clicking the Library Index button to view the folder structure in the Tech
Info Library. An alphabetic listing of vendors is in the Third Party
Company Directory folder.