Learn how to set the printer to the correct port, in the driver for your PIXMA MX432, MX439 printer, when you receive a printer not responding or is off-line error .
Check the operating system and display resolution Non-supported OS - Check for operating system updates. Although Canon supports most software releases for Windows, Mac, and Linux platforms, it is possible you need to install an update.
If an error occurs during installation, refer to the related information shown below. IMPORTANT With EOS DIGITAL Solution Disk Ver.25 or later, you can download and install additional software that is compatible with your camera model automatically over the Internet.