Canon LBP6230dw Manual page 169

Check the installation site of the machine and the wireless router
Reset the wireless LAN settings
When you need to manually set up the connection
If the wireless router is set up as described below, enter the required information manually.
The stealth function is enabled.
ANY connection refusal is enabled.
The WEP key number to use is set to a number from 2 to 4.
The automatically generated WEP key (hexadecimal) is selected.
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A function in which the wireless router refuses the connection if the SSID of the device to be connected is set to "ANY" or is blank.
When you need to change the settings of the wireless router
If the wireless router is set up as described below, change the settings of the router.
MAC address filtering is enabled.
When only IEEE 802.11n is used for the wireless communication, WEP is selected or the WPA/WPA2 encryption method is
set to TKIP.
Problems with the USB Connection
Communication is not possible.
Exchange the USB cable. If the USB cable is a long one, exchange it for a shorter one.
If you are using a USB hub, connect the machine directly to your computer using a USB cable.
Problems via the Print Server
You cannot find the print server to connect to.
Are the print server and computer connected correctly?
Is the print server running?
Do you have user rights to connect to the print server? If you are not sure, consult the print server's administrator.
Is [Network discovery] enabled? (Windows Vista/7/8/Server 2008/Server 2012)
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The (Power) indicator does not light if the machine is not turned ON.
If the machine is turned ON, turn it OFF, and then turn it back ON.
Is the machine too far from the wireless router?
Are there any obstacles such as walls between the machine and the wireless router?
Are there any appliances such as microwave ovens or digital cordless phones that emit radio waves near the
machine?
Connecting to a Wireless LAN
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