| 摘要 |
PURPOSE:To obtain high picture quality by providing two developing and cleaning devices and using a copying machine even as a printer. CONSTITUTION:When an original is copied, a photosensitive body 1 made of Se, OPC, etc., is charged electrostatically uniformly by an electrifier 2, its surface is exposed to an original image, and a printer head 4 is not in operation. The electrostatic latent image is visualized by a developing and cleaning device 5 for copying. Transfer paper 7 aligned to the image by a register roll 8 is sent and the image is transferred by a transfer device 9. The photosensitive body 1 carrying a small amount of residual toner which is not transferred to the transfer paper 7 is destaticized by an eraser 10 and then charged electrostatically by the electrifier 2 successively, and its surface is exposed to an image. Toner remaining after the transfer in the 1st process of the developing and cleaning device 5 is a developer containing carriees, so it is cleaned excellently and development is performed simultaneously. |
