| 摘要 |
PURPOSE:To make constitution simple and perform development well with easy work by providing a toner receiver of the capacity according to the cleaning amount corresponding to one toner replenishment amount and simultaneously performing the replenishment and recovery of the toner at the time when the tiner replenishment display is made. CONSTITUTION:The toner replenishment instruction according to the decrease in the concentration detection value of the developer toner of the developing device 8 along with the consumption of the toner replenished to a toner vessel 29 or the decrease in the toner amount in the vessel 29 and the recovery instruction of the toner of the toner receiving vessel 24 of the cleaning device of a capacity slightly larger than the cleaning capacity for one time of toner replenishment amount are displayed by lighting of lamps, etc. If the replenishment and recovery works of the toner are performed simultaneously based on this display, the constitution may be simplified by the toner receiving vessel of comparatively small capacity, etc. and the image forming recorder capable of readily performing works such as maintenance may be obtained. |
