The printer cannot be detected in the wireless lan – Canon PIXMA iP8750 User Manual

Page 272

Advertising
background image

The Printer Cannot Be Detected in the Wireless LAN

Check1

Make sure that the printer is turned on.

Check2

Make sure that the Wi-Fi lamp is lit on the front side of the printer.

If Wi-Fi lamp is off, Wireless LAN is inactive.

To activate Wireless LAN, press and hold the RESUME/CANCEL button, then release the button when the
POWER lamp flashes white 10 times.

Wireless LAN is activated and the Wi-Fi lamp is lit.

Check3

When the printer is connected to the computer temporarily using a USB cable,

make sure that the USB cable is connected properly.

When you set up the wireless LAN connection using a USB cable or change the wireless LAN settings using IJ
Network Tool, connect the printer and the computer securely.

Connecting the Printer to the Computer Using a USB Cable

Check4

Make sure that the printer setup is completed.

If not, perform setup according to the instructions on our website.

Check5

When using IJ Network Tool, click Update to search for the printer again.

Canon IJ Network Tool Screen

Check6

Make sure that the network settings in the printer are identical with those of the

access point.

Refer to the instruction manual provided with the access point or contact its manufacturer to check the access
point settings, and then modify the printer settings.

How to Set a WEP/WPA/WPA2 Key

Check7

Make sure that there is no obstruction.

Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.

Check8

Make sure that the printer is not place as far away from the access point.

The access point is located indoors within the effective range for wireless communication. Locate the printer
within 164 ft. / 50 m from the access point.

Check9

Make sure that there is no source of radio wave interference in your vicinity.

If a device (e.g. microwave oven) using the same frequency bandwidth as the wireless station is placed nearby,
the device may cause interference. Place the wireless station as far away from the interference source as
possible.

Check10

Make sure that the network settings of the computer are correct.

Make sure that the computer can communicate with the printer and the access point over the wireless LAN.

Check11

Make sure that the firewall of the security software is disabled.

272

Advertising