Hello!Thank you for your question. I am Shefin and I look forward to helping you with your issue today.
Have you completely uninstalled Lexmark printer before installing Canon?
Also, let me know the operating system (E.g. Windows 7, Mac OS X 10.7) and connection type (USB or wireless), so that I can assist you better.Thank you.S H E F I N
I am glad that the issue has been resolved.
S H E F I N