To improve the work efficiency without reading a document again at the time of the occurrence of a fault like paper jam.

Image data of the read document is sent to a memory unit 7 and is not only stored in a hard disk 78 through a memory 76 but also sent to a printer unit 8 through a selector 64 of a picture processing unit 6 and is successively printed on recording paper. If paper jam or the like occurs during printing, printing is interrupted; and after resolution of paper jam or the like, image data stored in the hard disk 78 is read out through the memory 76 and is sent to the printer unit 8 through the selector 64 of the picture processing unit 6 and is successively printed on recording paper.