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Note
：
• If the wireless network frequency is set to “2.4GHz”, the printer will not be able to
connect to “5GHz” network; if the frequency is “5GHz”, it will not be able to connect to
“2.4GHz” network.
• If the frequency of the wireless network connected to the printer under basic structure
mode is 2.4GHz, the frequency of WiFi Direct is also 2.4GHz; if the frequency is “5GHz”,
the frequency of WiFi Direct is also “5GHz”.
• Switch the wireless frequency, and your printer will restart the WiFi service.
5.4. Wireless network setup FAQs
1. The printer is not found.
• If the power of computer, access point (wireless router) or printer is turned on.
• If the computer is connected to printer with USB cable.
• If the printer supports wireless network connection.
2. SSID cannot be found when network is connected
• Inspect if the power switch of access point (wireless router) is turned on.
• The printer cannot find the SSID of the access point (wireless router) you need to connect, please
check the SSID of access point and try to connect again.
• Every time when the setup of access point (wireless router) is changed, you must set up the
wireless network of printer again.
3. Connection failure
• Please inspect if the safe mode and password of access point (wireless router) and printer is
correct.
• Inspect the wireless receiving around printer. Signal receiving may be affected if the router is
away from the printer or there is an obstacle between them.
• Turn the power of access point (wireless router) and printer off and then restart them and set up.
• Please check if the access point (wireless router) and the printer are on the same wireless
frequency. If you need to switch wireless frequencies, please refer to
4. The following aspects should be inspected if the printer has problems while they are used in
network:
• Inspect if the firewall software blocks communication. If the computer and printer are connected in
the same network but they cannot be searched, the communication might be blocked by firewall
software. Please refer to the user guide of firewall software to turn firewall off and then try to
search the printer again.
• Inspect if the IP address assignment of printer is correct. You can inspect IP address by printing
the network setup information page of printer out.
• Please refer to the following steps to check if printer and computer are in the same network:
1) Select "Command prompt" as shown below.
a. Windows 8/10 system
：
Select "Search" button in the Start Menu and input "Command
prompt"in search bar
，
then press the "Enter”button in the keyboard.
b. Windows 7/Vista/XP system
：
click "Start" menu-"All procedures"-"Attachment"-"Command
prompt ".
2) Input ping and your printer IP address in popup window, and press "Enter" button.
