Canon LBP7210Cdn Manual page 127

NOTE
If the [User Account Control] dialog box appears
Click [Continue].
Make sure that [File and Printer Sharing for Microsoft Networks] is selected.
(1) Make sure that the [File and Printer Sharing for Microsoft Networks] check box is
selected.
(If the check box is not selected, select it.)
(2) Click [OK].
Step 2: Sharing the Printer
Printer sharing settings vary depending on your operating system. See the following setting procedure according to your
operating system.
32-bit Operating System (Windows XP, Server 2003, Vista, and Server 2008)
64-bit Operating System (Windows XP, Server 2003, Vista, and Server 2008)
NOTE
(Windows Vista and Server 2008)