摘要 |
PURPOSE:To exactly execute a replenishment of a prescribed color toner by providing an insertion port shape setting member for varying an insertion port shape to a different shape at every color of a developer filled to a developing device, on a cartridge guide part. CONSTITUTION:Plural insertion port shape setting members 23a-23d which are operated by a movement of developing devices 18-21 carried along a developing device carrying path 4, and vary an insertion port shape of a cartridge guide member 5 at very color developing device 18-21 which has filled each different color toner are provided on the cartridge guide part 5. In such away, it can be avoided that a developer of a different color is replenished to the developing devices 18-21, or the developer is discharged to a place where the developing devices 18-21 do not exist.
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