发明名称 Image forming apparatus and method to correct magnification error caused by optical characteristics of image writing device
摘要 An image forming apparatus and method wherein a writing device writes information of an image on a photoconductive body traveling in the sub-scanning direction to form an electrostatic latent image of the image thereupon by driving a light source to emit luminous flux, in response to an image signal corresponding to the image information, using a write clock and scanning the luminous flux from the light source with a scanning device in the main scanning direction on the photoconductive drum. The electrostatic latent image on the photoconductive body is developed by a developing device to a toner image, a transfer sheet having a size in the main scanning direction is selected by a selecting device, and the toner image on the photoconductive body is transferred by a transfer device to the selected transfer paper. The write clock is reset on the basis of information of the size of the selected transfer paper in the main scanning direction such that a magnification error of the writing device in the main scanning direction of the image is corrected.
申请公布号 US6236418(B1) 申请公布日期 2001.05.22
申请号 US19990439994 申请日期 1999.11.15
申请人 RICOH COMPANY, LTD. 发明人 YAMAKAWA TAKESHI
分类号 B41J2/44;B41J2/47;G03G15/01;H04N1/053;H04N1/113;H04N1/12;(IPC1-7):B41J2/385;G03G13/04 主分类号 B41J2/44
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