| 摘要 |
<p>PURPOSE:To supply a developer to a developing tank by a quantity in accordance with a developing tank by disposing a weight sensor in a developer replenishing tank. CONSTITUTION:When the developer D is charged from a developer bottle 53 to the developer replenishing tank 24, the weight sensor 27 detects the quantity of the developer and when the weight sensor 27 detects the fact that the developer D is charged up to a specific amount, an LED is turned on. The charging of the developer D is stopped, a shutter 26 is opened and a developer supplying screw 48 is driven to supply the developer D to the developing tank 22.</p> |
