| 摘要 |
PROBLEM TO BE SOLVED: To prevent slippage of a dot image corresponding to heat shrinking due to heat fixing in the intermediate heat fixing process with respect to an electrophotographic printing device of multiple color printing. SOLUTION: Relating to the multiple color electrophotographic printing device the enlargement rate adjusting device of the electrophotographic printing device performs multiple color print of black, cyan, magenta and yellow, by the color wise print unit structure provided with the picture image part, data server, the plotting device and a photosensitive drum, is provided with the heat fixing part heat a transfer printing medium in the whole intermediate printing process, image processors 11a to 11d performing the image processing of reduction/supplement of the number of dots of the dot image are arranged between image parts 50a to 50d and data servers 51a and 51d.
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