I recently upgraded our server hardware but kept NT 4 and our HP 4000TN Printers. All were working fine before upgrading the server hardware. Since the upgrade the printer ques jamm up if you send a second print job to the printer before the first one finishes printing. Once it jams you have to start and stop the printer spooler service on the server to print job #2. If you have five jobs in the que, for example, you have to start and stop the spooler in between each job until all five are printed. Any ideas of what may be causing this? Thanks in advance.