| 摘要 |
PURPOSE:To raise maintenance of a function of a cleaning blade, and prevention of contamination, and durability of a photosensitive body by providing a magnetic roller so as to be freely rotatable, on the opposite side of the cleaning blade against the photosensitive body. CONSTITUTION:A magnetic roller 6 is provided in parallel to a photosensitive body shaft on the part opposed to the edge of a cleaning blade of the inside of a photosensitive body, and this magnetic roller 6 is connected and turned by a photosensitive body driving shaft and a belt 7. In this state, a toner Ta staying in the vicinity of the edge is removed by giving a displacement tendency in the direction as indicated with an arrow C, by giving to a circumferential space a variation of a magnetic field caused by rotating the magnetic roller 6 provided with plural poles in the direction as indicated with an arrow B. The staying toner Ta is scraped down once by the cleaning blade 3, therefore, responds easily to the magnetic field variation of the magnetic roller 6, and moved and removed from the staying part. |
