| 摘要 |
PURPOSE:To suppress vibration and noises by arranging a non-magnetic cylinder under a lower side carrier roller and closely arranging a 1st and a 2nd rotation driving means under the non-magnetic cylinder. CONSTITUTION:In the lower part of the lower side track of a recording belt which turns in an up-and-down direction, a line connecting the center of rotation of the lower side carrier roller 11 with the center of the non-magnetic cylinder 3 is set with a small angle to a vertical direction. Then, the toner hardly retains between the roller 11 and the cylinder 3, so that the favorable fluidity of the toner can be secured, namely, the image of favorable image quality can be formed at high speed. And driving force transmission system from motors 17 and 18 arranged under a developer carrier is set within the range where they are in a short distance to a rotary magnet 2 and the carrier roll 11 which are the system to be rotated and driven. Thus, the problems such as the vibration and the noises, etc., are suppressed and the stain by the toner hardly occurs owing to the arrangement of the motors 17 and 18, etc. |
