Canon LBP7210Cdn Manual page 525

Select the method of installation.
(1) Select [Search for Network Printers to Install].
(2) Click [Next].
The TCP/IP port on the network is searched, and the printer is detected automatically.
NOTE
If Windows Firewall is enabled
The following dialog box appears.
If the IP address of the printer has been already set, click [No].
If you want to clear the block and detect the printers in which the IP address has not been set yet,
click [Yes].
Operation procedure varies depending on the content displayed in [Product Name] in
[Printer List].
If [LBP7210C] is displayed in [Product Name]
If [Unknown Device] is displayed in [Product Name]
NOTE
If no devices are displayed in [Printer List]
Perform the following procedure.
1. Make sure that the computer and printer are connected via the network.
2. Make sure that the printer is on.
3. Click [Auto Search Again].
(The printers on the network are searched for again.)
If any devices are not displayed by performing the above procedure, perform the following
procedure.
1. Click [Manual Search by IP Address].