| 摘要 |
PURPOSE:To provide a toner supplying device capable of carrying toner up to a supplying port before an image forming action is started, and supplying the toner in a short time when a toner concentration is lowered. CONSTITUTION:In the toner supplying device having a toner carrying path extended/provided from one end part where a receiving part for a toner cartridge replenishing the toner, etc., are disposed, toward a developing unit, carrying the toner replenished from the toner cartridge in a carrying path by a carrying means such as a carrying roller, and supply the toner to the developing unit from the supplying port pierced on a surface facing the developing unit, the following means are provided, i.e., a storage means composed of a memory 8 storing information on time required for carrying the toner from one end part to the supplying port, etc., an instructing means composed of an operating part 9 instructing an operation in an initial mode, etc., and an initial mode driving means composed of a control part driving the carrying means according to the information on the time stored in the storage means, when the initial mode is instructed, etc. |
