| 摘要 |
PROBLEM TO BE SOLVED: To output original contents while recognizing them and to visually grasp the progress situation of copying operation and copying operation abnormality such as paper jamming by simultaneously previewing and displaying an output image to paper at the time of copying and outputting plural originals by means of a document feeder, etc. SOLUTION: Final image data Y1, M1, C1 and K1 are inputted to a 4×3 reverse making correcting circuit 217-1 so as to execute an operation, converted into pieces of three-color information Y2, M2 and C2 so as to execute the operation by the inverse logarithmic transformation correcting circuit 217-2 and conversion is executed from density data of YMCK into luminance data so as to execute display in CRT. Since color reproducing ranges are different by CRT kinds, a correcting operation is executed by a 3×3 monitor color correction 217-3, theγcharacteristic of a monitor is corrected by a monitorγ-correcting circuit 217-4 and, moreover, editing at the time of monitor display is executed by a display editing circuit 217-5 so as to control a monitor. Thus, the monitor 219 displays the final screens.
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