HP LaserJet M1319f Multifunction Printer - Manual (Page 113)

If you are finished, press 2 to select No.
The product scans the document into memory and sends the fax to each number specified. If a number
in the group is busy or does not answer, the product redials the number based on its redial setting. If all
redial attempts fail, the product updates the fax activity log with the error and proceeds to the next
number in the group.
ENWW Use fax 103