Verify the SSID (Network Name)
Check the printer Setting
-
Make sure that the machine is turned on. Load a sheet of A4 or Letter-sized plain paper.
-
-
Press the Menu button.
-
-
Select
Setup, then press the OK button.
-
-
Select
Device settings, then pres the OK button.
-
Use the 
button to select LAN settings, then press the OK button.
-
-
Use the 
button to select Confirm LAN settings, then press the OK button.
-
Use the 
button to select Print LAN details, then press the OK button.
-
Use the 
button to select Yes, then press the OK button to start printing.
The machine starts printing the network setting information.
Check the SSID on the computer
- Click the appropriate Network icon in the system tray
Windows XP:  |
Windows Vista:  |
Windows 7:  |
Windows 8 / 8.1 / 10:  |
- Note the SSID name (Network name).
Windows XP:

Windows Vista:

Windows 7:

Windows 8 / 8.1 / 10:

- Compare this with the SSID from the Wireless LAN setting list of the printer. If it is different , connect to the same SSID as that of the printer.