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    • 24. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07021737B2
    • 2006-04-04
    • US10670336
    • 2003-09-26
    • Masatoshi Yamada
    • Masatoshi Yamada
    • B41J29/393H04N1/46
    • B41J2/325B41J29/393
    • An image forming apparatus which corrects a transfer amount of a recording material without a scanner is provided. A paper is transferred to a position in which the transfer amount is adjusted by an LF roller, and a plurality of test pattern images, each of which is composed of a first pattern image and a second pattern image, are printed. Then, the paper is transferred to a position in which the transfer amount is adjusted by an exit roller, and the aforementioned plurality of test pattern images are printed. The plurality of test pattern images differ from each other in the transfer amount between printings of the first pattern image and the second pattern image. A degree of error in the transfer amount of the respective rollers can be visually observed. Accordingly, by receiving an input based on the printed test pattern images, it is possible to correct the transfer amount of the respective rollers.
    • 提供了一种用于校正没有扫描仪的记录材料的传送量的图像形成装置。 将纸张转印到通过LF辊调节转印量的位置,并且打印由第一图案图像和第二图案图像构成的多个测试图案图像。 然后,将纸转印到通过出纸辊调整转印量的位置,并打印上述多个测试图案图像。 多个测试图案图像在第一图案图像和第二图案图像的打印之间的传送量彼此不同。 可以目视观察各辊的转印量的误差程度。 因此,通过基于印刷的测试图案图像接收输入,可以校正各个辊的传送量。