Question : Network printer showing "Waiting for Printer Port"

Lexmark T622 network printer is showing "Printing - Waiting for Printer Port" on NT40 Print Server.  Printer has been recycled several times and shows "Online and Ready" and is getting files in the print queue.  Printer has been working with no problems since installation several month ago, but will not now print anything.

Answer : Network printer showing "Waiting for Printer Port"

This could be several different problems one being IP address conflict on the print server. Try taking the printer offline and ping the ipaddress of the networked printer.  Has the LPR settings on the NT Server been verified?