Developer charging unit

The invention claims a developing agent charhing unit, comprising: A developing agent charging component, is a adjacency developing agent bearing part is a developing agent charging of developing agent bearing part device; A support member, for supporting the developer charging component; And multiple fixing part, for converting said the developer charging part and a supporting part is fixed on a same seat, wherein the fixing part of the is arranged. Is less than along the developer charging part and centre of the distance of between two fixing parts located at the developer charging part and is the distance of between two fixing parts.