Question about Office Equipment & Supplies
I called Canon about this. They had me tweak the transmission start speed (Menu>FAX setting>TX settings>TX start speed). It was too fast. Set it to 4800. Then it was too slow. Clicked it up to 7200 and now it works!! TX Start Speed should not be too fast or too slow.
Posted on Mar 13, 2013
Normally a fast busy signal indicates a problem with the phone line. You need to call the phone company and have them do a "line check"
Sometimes they can fix this over the phone, sometimes a service call is required. No charge to you tho.
Posted on Mar 01, 2010
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