Canon MX450 series Online Manual page 176

The Scan-from-Operation-Panel Settings screen appears.
3. Select your scanner or printer from Scanners and click OK.
The Bonjour service name set to your scanner or printer is selected by default. When Bonjour is
disabled, the MAC address of your scanner or printer appears.
Note
When multiple scanners are connected via a network, you can select up to three scanners. Refer
to "IJ Network Scanner Selector EX Menu and Setting Screen" for your model from Home of the
Online Manual for details.
4. Return to the Scan-from-PC Settings screen and click OK.