| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a post-processing device that suppresses unintended behavior of paper while preventing blocking phenomenon, and provides excellent post-processing quality. <P>SOLUTION: A post-processing device includes: speed variation detection means 27 for detecting speed variation against target speed of a DC motor 20 in a conveyance path during paper conveyance; paper thickness determination means 28 for determining thickness of paper based on the detection value; and fan control means 25 for changing drive (blast volume) of a fan motor 21 of a cooling fan in accordance with the determination result. <P>COPYRIGHT: (C)2012,JPO&INPIT |
