| 摘要 |
PURPOSE:To obtain a color image having good reproducibility by forming independently the black part of an original of cyan, magenta and yellow and developing the image with a black toner. CONSTITUTION:A corona electrifier 8 is provided to face a photosensitive drum 7. A color separating filter 12, a reversal developer of a fore stage, a drum 10 consisting of a light transmittable insulating film, a transfer electrifier 11, a light source 13 for secondary exposing and a cleaning device 15 are provided. A destaticizer 23 installed to face the surface of the film 10 as well as a cyan C developing device 16, a magenta M developing device 17, a yellow Y developing device 18 and a black BL developing device 19 which are post stages are provided. A transfer member 2 is provided adjacently to the drum 7 and a transfer device 20 is provided on the inside thereof; further, a cleaning device 21 and a destaticizer 22 for the drum 7 are provided. The devices 18, 19, 20, 21 are so constituted as to operate respectively selectively in accordance with the characteristics of the filter 12. |
