Output Devices in the SAP Spool System 
Definition
The SAP spool system manages its own output devices. This includes mostly printers, but also fax and archiving devices. In order for you to use output devices defined in your operating system from the SAP System, you must define these devices in the SAP spool system.
Use
Before you start defining your output devices, you should plan the architecture of your SAP spool system. See
Planning Your SAP Printing Architecture and other sections for information about:Defining output devices
After you have planned your SAP spool system, go to the following sections to learn how to: