Canon BJC-55 User Manual page 299

4
Click the check box on for "Enable infrared communication."
5
Check the connection speed to see if it is checked off.
Note
The operation of some computers could be unstable if the connection
speed is set for 4Mbps. Click the "Limit connection speed to" check box on,
and then select 115.2kbps from the drop-down list box.
Is the printer positioned at the correct distance and angle from the computer?
The printer must be located at the correct distance and angle from the computer in order for
the infrared interface to operate correctly.
Using Infrared Data Transmission
Problems and Solutions
Troubleshooting 299