| 摘要 |
PURPOSE:To copy many sheets of paper with superior resolution and contrast by using the 1st copy as the 2nd original and by exposing a photoreceptor after charging uniformly while making a visible image carrying surface into contact with the photoreceptor. CONSTITUTION:The image of original 0 is exposed by image-formation optical system 2 to conductive photoreceptor 1 charged with prescribed polarity to form the electrostatic latent image that corresponds to white texture part W and image part BL, which is developed to obtain a visible image of toner T and this visible image is transfer onto and fixed on recording paper S to obtain the 2nd original S0. Next, the visible-image carrying surface of the 2nd original S0. is brought into contact with charged photoreceptor 1, whose reverse surface is irradiated uniformly with a dedicated light source and a formed latent image is made visible by being developed. Next, this visible image is transferred onto recording paper S' and fixed to obtain the 2nd copy S1, which is discharged out of the device. This process is repeated (n-1) time and after (n-1) copies are discharged successively, the 2nd original S0 is discharged. |
