After applying SP6 with both post SP6 Updates for the iprint (NDPSM.NLM and
NDPSGW.NLM) we have massive problems with two HP Printers running i-data
print server. We need the i-data print server because the support for IPDS.
We can send jobs to printer, but printer does not print out. With a reset,
the printer will print first job and then stopping. The status in NDPS
Manager shows printing with sending xx% of the file

As workaround, we back-rev to NDPSGW from SP4a, this works fine.

All other printers (Tektronix, Xerox, Sharp an many other hp works without

Any ideas?