Sharp FO-IS115N - Manual (Page 75)

Reception to Memory
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Reception to Memory
Incoming faxes will be received to memory when printing is not possible, such
as when the machine runs out of paper, the print cartridge needs
replacement, or the paper jams.
When you have received a fax in memory, [FAX RX IN MEMORY] will appear
in the display, alternating with a message that indicates the problem.
When you resolve the problem, the stored faxes will automatically print out.
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If you received faxes to memory because the machine ran out of paper, be
sure to add paper that is the same size as the paper previously used, or the
fax print-out size will not match the size of the printing paper.