I will be able to assist you. However, so that I can best assist you, I will need to gather some more information. Please reply to the following questions.
1. Who is your telephone service provider?
2. Does this issue happen when faxing to a specific number, or any fax number?
I look forward to your reply with the information I have requested. Should you need immediate assistance, please call us at 1-800-OK-CANON (1-800-652-2666).
I will be glad to assist you.
So that I can best assist you, who is your telephone service provider?
I look forward to your reply. Should you need immediate assistance with this issue, please call our telephone technical support group at 1-800-OK-CANON (1-800-652-2666).
Adjusting the TX and RX start speed can help resolve problems with sending and receiving faxes respectively. These instructions involve entering Service Mode can only be provided by a phone agent walking you though the process. It is recommended that you contact one of Canon's Technical Support Representatives. To contact a Technical Support Representative, please use the link below: