主权项 |
1. A developing cartridge comprising:
a developing roller including a developer roller shaft extending in a direction; a housing configured to accommodate developer therein, the housing having a first side and a second side separated from the first side in the direction; a coupling positioned to the first side of the housing, the coupling including a gear part being rotatable with the coupling; an idle gear positioned to the first side of the housing, the idle gear engaging with the gear part of the coupling; a first gear positioned to the first side of the housing, the first gear engaging with the idle gear; a shaft to which the first gear is mounted, the shaft being rotatable with the first gear; a second gear positioned to the second side of the housing, the second gear being mounted to the shaft, the second gear being rotatable with the shaft; and a detection body positioned to the second side of the housing, the detection body including a gear part engageable with the second gear, the detection body being rotatable with the gear part of the detection body. |