Troubleshooting > Checking the network connection
Checking the network connection
Use the following questions to check the network connection.
For Wired LAN
For Wireless LAN
For Wired LAN
<Question 1>

Is the computer connected to the Internet?
 Yes
 No
Connect power cables and Network Cables for the Router etc., properly.
Turn on the Router etc.
Cannot connect to the Internet even after performing the above
Try rebooting each device and waiting for a moment, and then connecting to the Internet.
For more details on the connection methods or restarting methods for each device, see the instruction manual that came with the device, or contact the manufacturer.
<Question 2>

Is the printer turned ON?
 Yes
 No
Turn the printer OFF, wait for 10 seconds or longer, and then turn it ON again.
Turn the printer ON.
<Question 3>

Are the printer and the computer connected to the Router or Hub properly with Network Cables?
 Yes
 No
Connect properly with Network Cables.
<Question 4> (If you are using a Router)

Are the Network Cables for the printer and the computer connected to the Router's LAN ports properly?
 Yes
 No
Connect to the LAN ports properly.
A Network Cable is connected to the Router's WAN port (or Internet port)
Connect it to a LAN port.
For more details on the connection method, see the instruction manual supplied with the Router, or contact the Router's manufacturer.
<Question 5>

Is the printer's  (Wi-Fi) indicator on?
 Off
 On
Perform the setup again.
Initialize the printer's network settings.

"Initializing the printer's network settings"
For Wireless LAN
<Question 1>

Is the computer connected to the Internet?
 Yes
 No
Finish setting up the computer and the Wireless LAN Access Point.
Connect the power cable and the Network Cable for the Wireless LAN Access Point properly.
Cannot connect to the Internet even after performing the above
Try rebooting each device and waiting for a moment, and then connecting to the Internet.
For more details on the connection methods or restarting methods for each device, see the instruction manual that came with the device, or contact the manufacturer.
<Question 2>

Is the printer turned ON?
 Yes
 No
Turn the printer OFF, wait for 10 seconds or longer, and then turn it ON again.
Turn the printer ON.
<Question 3>

Do the installation locations for the printer and the Wireless LAN Access Point meet the following conditions?
The distance between the printer and the Wireless LAN Access Point is less than 50 m (164 ft.) (depends on the transmission speed and environmental conditions).
There are no impediments, such as walls, between the Wireless LAN Access Point and the printer.
There are no microwave ovens or refrigerators in the area.
 Yes
 No
Perform the setup again.
Install in a location that meets the conditions.
If you still cannot connect after performing all of the checks
Wireless LAN Access Point Security Settings
Have the security settings for Wireless LAN Access Point been changed?
Stealth Function is enabled.
Deny ANY is specified as enabled.
The number of WEP Key available is set to 2, 3 or 4.
The automatically created WEP Key (hexadecimal string) is specified.



Specify the settings manually.
The MAC Address Filtering is specified.
When communicating using only IEEE 802.11n, WEP is selected or TKIP is specified as the WPA/WPA2 encryption method.



Change the Wireless LAN Access Point setting.
If you are not very sure of the Wireless LAN Access Point configuration method or operation method
See the instruction manual supplied with the Wireless LAN Access Point, or contact the Wireless LAN Access Point's manufacturer.

Before You Start Screen Descriptions Troubleshooting