| 摘要 |
An image forming apparatus with an original table, an original scanning section for optically scanning an origical placed on the original table, an image forming section for processing image information from the original scanning section and forming an image on an image forming medium, and an image forming medium feedback section for feeding back the image forming medium again to the image forming section, has shift source and destination specifying sections for moving light transmitted through desired first and second portions of the original placed on the original table and specifying shift source and destination, a first control section for calculating position information of the first and second portions and distance information representing a distance between the first and second portions and storing the position information and the distance information, an erasing section for erasing desired image formation information of the image forming section in accordance with specified information, a second control section for reading out the position information of the first portion from the first control section and supplying it to the erasing section and generating a signal for driving the image formation medium feedback section, and a third control section for reading out the distance information and the position information representing a portion excluding the second portion from the first control section and supplying readout information to a magnification control section of the original scanning section and the erasing section.
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