Patent ID: 11927909
Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Field: Optics (Instruments)
Classification: CPC G  F | IPC F  G

Claim 15:
16. The image forming apparatus of claim 14, wherein
the developing roller includes a roller body and the first shaft of the first coupler passes through the roller body and is a shaft of the developing roller,
the developing roller is movable between an alienated state in which the developing roller is spaced apart from the photoconductor, and a non-alienated state in which the developing roller is brought into contact with the photoconductor to perform an image forming operation, and
when the developing roller is moved from the alienated state to the non-alienated state, the first magnet is magnetically attractable with the second magnet or ferromagnetic material to cause the first shaft to be aligned with the second shaft.