| 摘要 |
PROBLEM TO BE SOLVED: To provide an image read controller, in which image reading can be controlled at various data volume without causing significant cost increase, an image output controller having image read control function, an image read control method, an image read system, and a storage medium. SOLUTION: First image data from a color copying machine 102 is compressed by a data compression circuit 213 to generate second image data. Based on the data volume calculated from the unused capacity of a host memory 206 and the document size read out by means of the color copy machine 102, either of the first or the second image data is stored in the host memory 206, thus reducing the storage capacity of a bit map memory incorporated in a graphic controller 200, while suppressing increase in the capacity being required accompanying enhancement of the performance of the color copy machine 102.
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