| 摘要 |
PURPOSE:To confirm the rest of retained toner immediately at a glance by providing a counter which adds and displays a copy quantity and enabling a developing device which has a toner storage part integrally to be attached and detached. CONSTITUTION:An image carrier 30, respective developing devices 36-38, and a cleaning device 39 are all supported on a cartridge 3 incorporated in the main body 2 detachably through bearings or fitted detachably. Further, the developing devices 36 - 38 are provided with a counter on the flank of a housing corresponding to the front surface side of the main body 2 and adds and displays the number of times of rotation of a developing sleeve, and consequently the rest of stored toner can be confirmed from outside. Consequently, toner supply control is perfect and a color image of good picture quality with proper density can be copied. |
