What is Print Spooler?

Windows & Network Print Spoolers

     Print Spooler queues and manages print jobs locally and remotely.
     The printing spooler is the heart of the Windows printing subsystem and controls all printing jobs. It manages the print queues on the system and communicates with printer drivers and input / output components (such as the USB port, TCP / IP, and so on). If the spool service is disabled, you will not be able to do any printing.
     Spooling copies the data to be sent to the printer to a disk file. This action makes your application think the printing is done quicker, but the overall process can take longer. Spoolers are common on networks, and should be set to start despooling (sending to the printer) immediately rather than waiting for the print job to be finished.
     Spoolers can cause problems with programs that open and close the printer port during printing. The spooler will treat each 'port open' as a separate page which is probably not what you want!

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