LaserWriters using Print Monitor have a problem when they spool to a printer
that is no longer connected to the network, but is still named in the Chooser.
Spooled files may only be printed by Print Monitor, and only to a LaserWriter
with the same name as selected in Chooser at the time the document was
spooled. If a file is spooled to a printer that is no longer attached to the
network, it can't be re-directed. You must instead tell the Print Monitor to
"wait until later", or cancel the job outright.
The only current workaround is to use the Namer to re-name a printer attached
to the network, then change its name back after the job has been printed.