Patent ID: 11880158
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An image forming apparatus comprising:
a main body housing having an opening;
a cover movable between an opening position at which the opening is opened and a closing position at which the opening is closed;
a drawer movable in a first direction through the opening between an inner position at which the drawer is located inside the main body housing and an outer position at which the drawer is located outside the main body housing, in a state where the cover is located at the opening position;
a drum cartridge attachable to and detachable from the drawer, the drum cartridge including a photosensitive drum and a drum cleaner cleaning a peripheral surface of the photosensitive drum;
a toner container for accommodating toner supplied to the drum cartridge;
a toner conveying tube for conveying toner from the toner container to the drum cartridge;
a waste toner container for accommodating waste toner removed from the peripheral surface of the photosensitive drum by the drum cleaner; and
a waste toner conveying tube for conveying the waste toner from the drum cartridge to the waste toner container,
wherein, in a state where the drawer is at the outer position, the toner conveying tube and the waste toner conveying tube are located inside the main body housing,
wherein, in a state where the drawer to which the drum cartridge is attached is located at the inner position and the cover is at the closing position, the drum cartridge and the toner conveying tube are connected each other, and
wherein, in a state where the drawer to which the drum cartridge is attached is located at the outer position, the drum cartridge and the toner conveying tube are disconnected.