| 摘要 |
An image forming device has a first calculator applying any one of setting values for plural alignment patterns pre-set corresponding to magnitudes of feeding error values according to feeding amounts of a printing sheet of paper by feeding rollers and calculating first correction values for the feeding error values depending upon operation modes, a second calculator calculating second correction values for the feeding error values depending upon the printing sheet, and a controller controlling the feeding rollers to be driven to correct the feeding error values depending upon the operation modes and the printing sheet using the first and second correction values calculated by the first and second calculators. Accordingly, the image forming device can correct the feeding error values depending upon the operation modes, the printing sheet, and the printing position sections, thereby obtaining a best quality images in the respective modes.
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