| 摘要 |
PROBLEM TO BE SOLVED: To improve digital image forming performance while substantially minimizing an artifact in digital printing by specifying the lowering of a shoulder part of status A reflection density as the function of each recording part in a specified exposure range. SOLUTION: In the exposure range of at least 125 nsec to 0.5 sec, the lowering of a shoulder part of status A reflection density is <=8% as the function of a cyan color recording part, <=8% as the function of a magenta color recording part and <=4% as the function of a yellow color recording part, the status A minimum reflection density is <0.078 in the cyan layer, <0.075 in the magenta layer and <0.072 in the yellow layer and modulation transfer function(MTF) is at least 78.0.
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