Patent ID: 9316991
Filing Date: 2016-04-19
CPC Classification: G03G

Claim Text:
1. A developer cartridge comprising: a case having a first side wall formed with a toner fill-hole and a second side wall facing the first side wall in a particular direction, the case being configured to accommodate a developing agent therein; a developer roller supported to the first side wall and the second side wall and rotatable about a rotation axis extending in an axial direction parallel to the particular direction, the developer roller being configured to carry the developing agent; a supply roller supported to the first side wall and the second side wall and rotatable about a rotation axis extending in the axial direction, the supply roller being configured to supply the developing agent onto the developer roller; a cap configured to seal the toner fill-hole, the cap having: an electrode made from electrically conductive resin and configured to supply a bias voltage to at least one of the developer roller and the supply roller, the electrode being overlapped with the cap as viewed in the axial direction, the electrode having: a screw configured to fix the electrode to the cap by being threaded into the end of the boss in a state where the boss is fitted into the fitting hole, wherein the screw has a shaft portion threadingly engaged with the cap.