Patent ID: 11892798
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An image forming apparatus comprising:
a housing comprising a side wall positioned at one end portion of the housing in a first direction;
a drum cartridge attachable to the housing, the drum cartridge comprising:
a photosensitive drum rotatable about a drum axis extending in the first direction; and
a drum frame;

a toner cartridge attachable to the drum cartridge, the toner cartridge comprising:
a toner casing configured to accommodate toner therein;
a toner memory;
a memory holder holding the toner memory; and
a memory holder cover movably holding the memory holder, the memory holder cover having a protrusion protruding in a direction crossing the first direction; and

a contacting portion positioned at the side wall of the housing, the protrusion being configured to contact the contacting portion,
wherein, in a case where the drum cartridge is to be attached to the housing while the toner cartridge is at a lifted-up position relative to the drum frame, the protrusion is configured to contact the contacting portion to move the toner cartridge from the lifted-up position to an attachment position where the toner cartridge is fully attached to the drum frame, the toner cartridge being lifted up from the drum frame at the lifted-up position rather than at the attachment position.