Canon MB2300 series Online Manual page 751

If the telephone line is connected correctly, there is a problem with your telephone line. Contact your telephone
company and the manufacturer of your terminal adapter or telephone adapter.
Cannot Perform Sequential Broadcasting by Redialing, or Cannot Dial
by Entering the Numbers
Have you already selected the recipient from the redial history, or already
Check
dialed a number by entering the fax/telephone numbers?
You can dial one recipient by selecting from the redial history or by entering the fax/telephone numbers as the
recipient of sequential broadcasting.
If you already have dialed by selecting from the redial history or by entering the fax/telephone numbers, select
the recipient from the machine's directory.
Errors Often Occur When You Send a Fax
Check the telephone line condition or the connection.
Check
If the telephone line or connection is poor, reducing the transmission start speed may correct the error.
Reduce the transmission start speed on TX start speed in Adv. communication settings in Advanced FAX
settings under FAX settings.
Advanced FAX settings
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