The printer driver may not be set to the correct printer port on the computer. Ensure the printer driver is configured to the proper port.
The Canon wireless printer will detect nearby access points. If an incorrect access point was inadvertently selected, you will be able to select the correct one. Confirm the network name matches the one selected on the printer and the one on the computer.
To confirm the network name matches the one selected on the printer and the one on a Windows computer, click here.
To confirm the network name matches the one selected on the printer and the one on a Macintosh computer, click here.