Make sure there is a dial tone when you select <Hook> on the <Enter Fax with Numeric Keys> screen or when you lift the optional handset or handset of the external telephone connected to the machine. If there is no dial tone, contact your local telephone company.
Is the recipient's machine a G3 fax machine?
Make sure the recipient's machine is compatible with your machine.
Is BUSY/NO SIGNAL shown on the ERROR TX REPORT?
The fax number you dialed is busy. Try sending the document later.
The recipient's machine is not working. Ask the recipient to check the machine.
Did the recipient's machine answer within 35 seconds (after all automatic redialing attempts)?