| 摘要 |
PURPOSE:To clean up the dirt of a carrying belt machanically and automatically by applying oil for preventing the dirt of the belt to the belt. CONSTITUTION:When the sheet of an original 2 is carried to the prescribed position of an original platen glass 47 by the revolution of a full-side belt 15, the belt 15 is abutted to the original 2, preventing the surface of the belt 15 from dirt. The dirt preventing means 50 consits of an application roll 52, an oil roll 53, an oil pat 54 to supply oil to the oil roll 53, and an oil tank 55, and oil successively drawn up from the oil tank 55 is applied to the full-side belt 15 through the oil pat 54, oil roll 53 and application roll 52, removing the polluted part. |
