| 摘要 |
An image forming apparatus with a plurality of image forming units for forming an input image on a recording medium, a fixing unit for fusing the image formed on the recording medium to the recording medium, a fixing temperature detecting unit for detecting the temperature of the fixing unit, a registration pattern detecting unit for detecting a registration pattern formed by a plurality of image forming units, a calculator for determining a registration correction value for correcting the input image based on output from the registration pattern detecting unit, and an update requesting unit for requesting an update of the registration correction value. The update requesting unit requests an update of the registration correction value based on the temperature detected temperature of the fixing unit.
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