Recently I've been having print jobs disappear to our 1055cm plotter. This has been intermittent. Now, the same happens to my 4550n HP printer. I've tried various options (postscript only, color as gray, etc..) with no success. The job shows on my local queue, starts sending to the printer, but stops very quickly...it just disappears.
I've deleted and added both printers to the Print Center, no success. I've re-installed HP drivers (4550 v3010.107, 1055cm PS3 v3010.106).
This is most frustrating!