US 11,892,796 B2
Image forming apparatus
Shougo Sato, Seto (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Nov. 10, 2022, as Appl. No. 18/054,178.
Claims priority of application No. 2021-210003 (JP), filed on Dec. 23, 2021.
Prior Publication US 2023/0205126 A1, Jun. 29, 2023
Int. Cl. G03G 21/10 (2006.01); G03G 15/08 (2006.01)
CPC G03G 21/105 (2013.01) [G03G 15/0887 (2013.01); G03G 2221/1621 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a photosensitive drum rotatable about a first axis extending in a first direction;
a toner container configured to contain toner;
a development housing configured to contain toner from the toner container;
a development roller rotatably supported by the development housing, the development roller being configured to supply toner in the development housing to the photosensitive drum;
a drum cleaner configured to clean a circumferential surface of the photosensitive drum; and
a toner pipe configured to allow passage of toner that is recovered from the drum cleaner to the toner container, the toner pipe having a discharge port configured to discharge toner in the toner pipe,
the toner container including:
a toner discharge port configured to discharge toner in the toner container;
a toner reception port configured to receive toner discharged from the discharge port of the toner pipe; and
a toner conveyor configured to convey toner from the toner reception port toward the toner discharge port,
the development housing including:
a development reception port configured to receive toner discharged from the toner discharge port; and
a development discharge port configured to discharge, to the toner pipe, toner that is retuned from the development housing to the toner container.