User Manual

In addition, if a device like a microwave oven that emits radio waves of the same frequency bandwidth as a
wireless router is nearby, it may cause interference. Place the wireless router as far away from interference
sources as possible.
Check7
Make sure wireless signal is strong. Monitor signal status and move printer and
wireless router as necessary.
Note
For Windows, monitor signal status using IJ Network Device Setup Utility.
Checking Wireless Network Status
Check8
Make sure computer network settings are correct.
For more on connecting and setting up a network device, see the device instruction manual or contact its
manufacturer.
Check9
Make sure Enable bidirectional support is selected in Ports sheet of
properties dialog box of printer driver. (Windows)
Check10
Make sure security software's firewall is off.
If your security software's firewall is on, a message may appear warning you that Canon software is attempting
to access the network. If this warning message appears, set security software to always allow access.
If you are using any programs that switch between network environments, check their settings. Some programs
use a firewall by default.
Check11
If printer is connected to an AirPort Base Station via LAN, use alphanumeric
characters for network identifier (SSID). (Mac OS)
If the problem is not resolved, redo setup.
For Windows:
Use the Setup CD-ROM or follow the instructions on the Canon website.
For Mac OS:
Follow the instructions on the Canon website.
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