In Windows Server 2008, the Print Services role in Server Manager enables you to share printers on a network, as well as to centralize print server and network printer management tasks. It also enables you to migrate print servers and deploy printer connections using Group Policy.
In Windows Server 2008 R2, this role has been updated with a new feature called Distributed Scan Server. The new role, Print and Document Services, enables you to share printers and scanners on a network, set up print servers and scan servers, and centralize network print and scan management tasks. You can do these tasks using the Print Management and Scan Management Microsoft Management Console (MMC) snap-ins.
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Installed Help
Help installed with the product is also available in the Windows Server 2008 and Windows Server 2008 R2 Technical Library.
Technical Reference