US 11,809,123 B2
Image forming apparatus and image forming unit
Kazutaka Sueshige, Susono (JP); Tatsuro Harada, Mishima (JP); Takayuki Yada, Suntou-gun (JP); and Akinobu Hirayama, Susono (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on May 24, 2022, as Appl. No. 17/751,790.
Application 17/751,790 is a continuation of application No. 17/201,148, filed on Mar. 15, 2021, granted, now 11,378,909.
Application 17/201,148 is a continuation of application No. 16/798,618, filed on Feb. 24, 2020, granted, now 10,983,475, issued on Apr. 20, 2021.
Claims priority of application No. 2019-032129 (JP), filed on Feb. 25, 2019; and application No. 2019-189732 (JP), filed on Oct. 16, 2019.
Prior Publication US 2022/0283535 A1, Sep. 8, 2022
Int. Cl. G03G 21/16 (2006.01); G03G 21/18 (2006.01); G03G 21/10 (2006.01); G03G 21/00 (2006.01)
CPC G03G 21/1647 (2013.01) [G03G 21/0005 (2013.01); G03G 21/105 (2013.01); G03G 21/186 (2013.01); G03G 21/1825 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
an apparatus body;
a first attached portion supported by the apparatus body and configured to be movable with respect to the apparatus body between a first position and a second position in which the first attached portion is projected out of the apparatus body;
a second attached portion supported by the apparatus body and configured to be movable with respect to the apparatus body between a third position and a fourth position in which the second attached portion is projected out of the apparatus body;
a first cartridge including a toner discharge portion, the first cartridge being detachably attached to the first attached portion in a state in which the first attached portion is in the second position; and
a second cartridge including a developing roller configured to develop an electrostatic latent image into a toner image and a toner receiving portion configured to receive toner discharged from the toner discharge portion, the second cartridge being detachably attached to the second attached portion in a state in which the second attached portion is in the fourth position,
wherein the image forming apparatus is configured to perform an image forming operation to form an image on a sheet in an operable state in which the first attached portion to which the first cartridge is attached is in the first position and the second attached portion to which the second cartridge is attached is in the third position, and
wherein in the operable state the first cartridge is positioned above the second cartridge.