US 11,815,847 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 Sep. 28, 2022, as Appl. No. 17/955,471.
Application 17/955,471 is a continuation of application No. 17/116,645, filed on Dec. 9, 2020, granted, now 11,480,915.
Application 17/116,645 is a continuation of application No. 16/443,110, filed on Jun. 17, 2019, granted, now 10,866,560, issued on Dec. 15, 2020.
Claims priority of application No. 2018-116238 (JP), filed on Jun. 19, 2018.
Prior Publication US 2023/0019865 A1, Jan. 19, 2023
Int. Cl. G03G 21/18 (2006.01)
CPC G03G 21/185 (2013.01) 10 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a main body housing having a space inside, the main body housing comprising:
a front wall having an opening; and
a rear wall, the front wall and the rear wall defining a space therebetween;
a drum cartridge comprising a photosensitive drum and a guide, the drum cartridge being movable between an inner position where the drum cartridge is accommodated inside the space and an outer position where at least a part of the drum cartridge is drawn out of the space through the opening;
a developing cartridge comprising a developing roller, the developing cartridge is detachably attachable to the guide on the drum cartridge;
an exposure device configured to expose the photosensitive drum, the exposure device located above the developing cartridge when the drum cartridge is at the inner position and the developing cartridge is attached to the guide on the drum cartridge; and
a transfer roller located nearer to the rear wall than the developing roller locates when the drum cartridge is at the inner position and the developing cartridge is attached to the guide on the drum cartridge.