A Server in a Small Company Functions as a Print

A server in a small company functions as a print server. Suddenly it stops sending print jobs to the printers. A technician verifies that the printers are working correctly. Additionally, the print spooler had been restarted and is running on the server, it is accessible from workstations, and it shows as being ready to accept print jobs. Which of the following has MOST likely caused the print server to stop processing print jobs?

A) The print quota has been exceeded.
B) The server needs an updated print driver.
C) The server needs pooling enabled.
D) The server's hard drive is out of space.