| 摘要 |
PROBLEM TO BE SOLVED: To improve operability when setting scale factor at the time of copy by simultaneously displaying a regular scale factor and an arbitrary scale factor on the same screen. SOLUTION: When 'A4→A3' is selected on a setting picture St for the regular scale factor by up and down keys Ku and Kd and selective display (underline) is displayed for 'A4→A3', at the same time, the scale factor of 141% corresponding to this selection is numerical displayed in a display picture Sn for the arbitrary scale factor. Thus, after the scale factor is set by the regular scale factor, it can be precisely adjusted by the arbitrary scale factor immediately. When it is desired to a little reduced an image rather than A3 size, for example, operation for setting 140% or 139% while using a ten key Kt can be continuously performed. Besides, when the set scale factor is matched with any regulator scale factor in the display screen Sn for the arbitrary scale factor, the regular scale factor is displayed while being inverted so that the size of copy image can be known.
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