Patent ID: 8014038

Claim:
A facsimile device, comprising: a storage configured to store image data of document data received by facsimile; a printing unit configured to print the image data stored in the storage in either a single-surface printing mode or a double-surface printing mode on a recording sheet having a first surface and a second surface, wherein the printing unit is further configured to: print on the first surface of the recording sheet when in the single-surface printing mode, and print a first portion of the image data on a first surface of the recording sheet and a second portion of the image data on a second surface of the recording sheet when in the double-surface printing mode; and a backup memory configured to store, of the first and second portions of the image data, only the second portion of the image data to be printed on the second surface of the recording sheet; wherein the printing unit is further configured to reprint the second portion of the image data stored in the backup memory in the single-surface printing mode in response to a reprint request.