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If you plug the telephone cable that is going into the Canon Pixma into a telephone, are you able to get a dial tone on the phone?
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How is the Canon device connected to your system? (USB, network, or wifi)
Thank you for the update.
May I start a remote screen sharing session with you so that I can better help you resolve this problem?
When the remote begins, a chat window will appear that we can use to communicate with each other.