| 摘要 |
A copier with an editing function and operable in operable in a trimming mode for extracting part of an image printed on a document as a trimmed image and transferring it to a paper sheet, a masking mode for omitting part of the image as a masked image and transferring a non-masked image surrounding the masked image to the paper sheet, and a centering mode combinable with either one of the trimming mode and masking mode for shifting the center of the image on the document into register with the center of the paper sheet and transferring it to the paper sheet. Centering in the trimming mode transfers the trimmed image to the center of a paper sheet by using the trimmed image itself as a reference. Centering in the masking mode transfers the image on the document to the center of a paper sheet in the same manner as ordinary centering without taking account of the dimensions of the masked image, i.e., by shifting the document image by an amount matching the size of the paper sheet and the size of the document.
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