To provide a photo processor which is provided with an input part for inputting image information, an exposure output part for output-processing the photo print, based on the image information inputted from the input part and a control part, capable of controlling the exposure output part and which enables sales data to be easily grasped based on the amount of processed photo prints.

This photo processor is provided with a communication conversion means 20, for extracting data regarding the processing amount of the photo prints by the exposure output part 4, storing the extracted data for plural number of times of extraction and transferring the stored data to a host computer 50.