A personal computer 1 includes a first communication interface mechanism 16 that communicates with a first scanner 2A, and a first memory 13 that stores first reading setting information 131A in a first folder 131. The first scanner 2A includes a reception unit 221 that receives instruction data CM instructing reading of an image for which the first folder 131 is specified as the storage destination for read data, an acquisition unit 222 that, when the reception unit 221 receives the instruction data CM, accesses to the first folder 131 of the personal computer 1 and acquires the first reading setting information 131A from the first folder 131, a setting unit 223 that sets a reading condition based on the first reading setting information 131A, and a reading unit 224 that reads out an image and generates read data under the reading condition.