Here's the set-up:
Windows 2000 SP4 (all patches). Novell Client 4.9 Sp1a and 4.9 SP2
connecting to a NW6.5SP2 server. Running latest and greatest iPrint
client. Only happens on one printer.

One user has several Excel files that generate an error when printed to
a specific printer. All other users can print their documents just fine
to the same printer. Nobody can print these spreadsheets created by
this user to this printer. Here's the error:

Your file could not be printed due to an error on
\\ipp://ip_address\printer_name on Ne02: There are several possible

There is more to this error, let me know if you need it.
Using straight NDPS to print does not generate an error.