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C-9
The noise level is high and does not differ from the signal level due to various devices other than
the printer.
• If devices (microwave oven, external hard disk drive, and other USB 3.0 devices) that emit radio waves
of the same frequency bandwidth as a wireless router is nearby, it may cause interference. Place the
printer and the wireless router as far away from interference sources as possible.
• After you change the location of the printer, check the signal quality. Compare the value of "3-2-2" in
the network settings information and place the printer in the location with a higher value.
Note
• In some cases, "C-7" and "C-9" are displayed at the same time. In that case, refer to both items.
C-10
No IP address is assigned by the wireless router.
Check the following items.
Check 1
entered.
Passwords are case sensitive.
Enter the password correctly.
Check 2
Check 3
For details, refer to the wireless router's instruction manual.
C-11
The network name (SSID) remains the default value (The network name (SSID) has not been
set). Check the network name (SSID) of the wireless router.
Verify the network name (SSID) and password of the wireless router you want to connect to, and then set it
up manually.
Note
•
• Wi-Fi Connection Assistant allows you to diagnose and repair the network status.
Select the link below to download Wi-Fi Connection Assistant and install it.
Checking Printer Connection Status Using Wi-Fi Connection Assistant
Refer to below in regard to starting up Wi-Fi Connection Assistant.
For Windows:
Starting Up Wi-Fi Connection Assistant
Password on your wireless router may not match password you
Set up printer again and reconnect to Wi-Fi.
Check DHCP on wireless router. If DHCP is off, set it on.
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