Canon printer PIXMA MG5721 User Manual

Cannot Find Machine During Wireless LAN Setup: Check 5
Does your security software's firewall or computer operating systeminterfere with network communications setup?
The firewall of your security software or operation system for computer may limit communication betweenthe machine and your computer. Check the firewall setting of your security software or operation system or the message shown on your computer.
If firewall interferes with setup:

Cannot Find Machine During Wireless LAN Setup: Check 6
Check wireless router settings.
Check wireless router network connection settings, such as IP address filtering, MAC address filtering, and DHCP function.
Make sure the same radio channel is assigned to the wireless router and the machine.
To check the settings of the wireless router, see the instruction manual supplied with the wireless router or
contact the manufacturer.
After checking the wireless router settings, click  Redetect on the Check...

Cannot Find Machine on Printers on Network List Screen
The machine could not be detected with the current setup method.Select the  Setting printer could not be found on the list  check box and click Next. The screen to show
another setup method is displayed.
Perform setup following the instructions on the screen.
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Cannot Proceed beyond Printer Connection Screen/Connect Cable
Screen
If you cannot proceed beyond the  Printer Connection screen or the Connect Cable  screen, check the
following.
Check1  Make sure USB cable is securely plugged in to machine and computer.
Connect the machine and the computer using a USB cable as the illustration below. The USB port is located at
the back of the machine.
Check the items below only if you cannot proceed beyond the Printer Connection screen.
Check2  Follow procedure below...

Note

Cannot Find Machine on Wireless LAN
Check1 Make sure machine is turned on.
Check2 Is  icon displayed on LCD?
If the icon is not displayed, select  Activate wireless LAN on Change LAN  in LAN settings  under Device
settings .
Check3
 If machine is temporarily connected to computer via USB cable, make sure
USB cable is connected properly.
If you set up the wireless LAN connection or change the wireless LAN settings using IJ Network Tool over a USB
connection, connect the machine and the computer using a...

If No Driver  appears under  Name in IJ Network Tool, the machine is not associated with a port. Select
Associate Port  in the Settings  menu to associate a port with the machine.
When Printer Driver Is Not Associated with Port
Check7
 Make sure machine and wireless router network settings match.
See instruction manual provided with wireless router or contact its manufacturer to check wireless router settings, and then modify machine settings to match.
Setting an Encryption Key
Check8  Check for...

If your security software's firewall is on, a message may appear warning you that Canon software is attemptingto 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.
Check14  If using a router, connect machine and computer to LAN side (same network
segment).
Check15  If machine is connected to an AirPort Base Station via...

Network Connection Problems
Machine Suddenly Cannot Be Used
Network Key Unknown
Administrator Password Set for Machine Unknown
Machine Cannot Be Used After Replacing Wireless Router or Changing Its
Settings
Printing Is Slow
Ink Level Not Shown on Printer Status Monitor (Windows)
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Machine Suddenly Cannot Be Used
Cannot Communicate with Machine Following Network Settings Change (Windows)
Cannot Communicate with Machine via Wireless LAN
Cannot Communicate with Machine Using Direct Connection
Cannot Print or Scan from Network Computer
Cannot Communicate with Machine Following Network Settings
Change (Windows)
It may take a while for the computer to obtain an IP address, or you may need to restart your computer.
Make sure the computer has obtained a valid IP address, and try again to...