Canon PIXMA MG4200 Series On-Screen Manual page 485

that Canon software is attempting to access the network. If the warning message appears, set
the security software to always allow access.
If using any programs that switch the network environment, check their settings. Some
programs will enable a firewall by default.
Check 11: When using a router, connect the printer and computer to the LAN side
(same network segment).
Check 12: When the printer is connected to an AirPort Base Station via a LAN, use
alphanumeric characters for the name of the network (SSID).
If the problem is not resolved, insert the CD-ROM in the DVD/CD-ROM drive on your computer to
start setting up again, or access our web site through the Internet and download the latest
MiniMasterSetup for your model.
For placement:
Make sure that there is no barrier or obstacle between the access point and the machine.
Cannot Print, Scan, or Access the Card Slot from a Computer Connected to the Network
Check 1: Make sure that the network settings of the computer are correct.
For the procedures to set up the computer, refer to the instruction manual of your computer or
contact its manufacturer.
Check 2: If the MP Drivers is not installed, install the MP Drivers.
Install the MP Drivers with the Setup CD-ROM.
Check 3: Make sure that access control is not set to the access point.
For the procedures to connect an access point and set it up, refer to the instruction manual of
your access point or contact its manufacturer.
Note
To check the MAC address or the IP address of the computer, see
Address or the MAC Address of the Computer.
Checking the IP
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