Canon PIXMA MG4200 Series On-Screen Manual page 790

Scanners
The Bonjour service names or MAC addresses of the scanners that can be used over the network are
displayed.
You can select up to three scanners. For details, see the help file of IJ Network Scanner Selector EX.
Important
If you have disabled Bonjour after selecting your scanner or printer by Bonjour service name,
reopen the Scan-from-PC Settings screen and select the MAC address of your scanner or printer
from Scanners.
If you have changed the Bonjour service name after selecting your scanner or printer by Bonjour
service name, reopen the Scan-from-PC Settings screen and select the new Bonjour service
name from Scanners.
Note
If the Bonjour service name or MAC address of your scanner or printer is displayed in gray or not
displayed, or cannot be selected, check the following conditions and click OK to close the screen,
then reopen it and select your scanner or printer.
- ScanGear (scanner driver) is installed
- Network settings of your scanner or printer is completed after installing ScanGear
- Network communication between your scanner or printer and computer is enabled
If your scanner or printer is still not displayed, see
You do not need to use this software when scanning via USB. If you do not want to start IJ Network
Scanner Selector EX upon login, see
Selector EX." You can scan via USB even if it is running.
"Problems with Network
"Uninstalling IJ Network Tool/About IJ Network Scanner
Communication."
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