Patent ID: 8139968
Filing Date: 2012-03-20
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: an image forming mechanism to form a toner image on a surface of an image carrier; a transfer mechanism disposed in the vicinity of the image forming mechanism to transfer the toner image formed on the surface of the image carrier onto a first endless belt and further onto a second endless belt, the first endless belt partly held in contact with the image carrier to receive the toner image formed on the image carrier, the second endless belt partly held in contact with the first endless belt to receive the toner image from the first endless belt, the second endless belt receiving the toner image from the first endless belt either directly on a surface thereof or via a recording medium conveyed on the surface thereof; a first detector that detects one of a speed of movement of the first endless belt and a toner image transferred at a predetermined position on the surface of the first endless belt; a belt speed adjustment unit to adjust a speed of movement of the first endless belt based on detection results obtained by the first detector; a second detector that detects the toner image transferred at a predetermined position on the surface of the second endless belt; and a transfer adjustment unit to adjust a speed of movement of the second endless belt based on detection results obtained by the second detector.