Sharp UX-B30 Operation Manual page 70

Sending a Fax From Memory
If the memory becomes full...
If the memory becomes full while the document is being scanned, MEMORY
IS FULL will appear in the display.
♦
Press
to that point in memory. The remaining pages will be ejected from the
feeder. After transmission, the memory will be cleared and you can transmit
the remaining pages. You will also need to transmit the page which was
being scanned when the memory filled up.
♦
Press
56
if you want to transmit the pages which have been stored up
if you want to cancel the entire transmission.