Developer accommodating device, developing device, cartridge and image forming apparatus

Abstract

A process cartridge includes a photosensitive member unit with a photosensitive drum, a developing unit detachably mounted on the photosensitive member, and a toner cartridge detachably mounted on the developing unit. The toner cartridge has a holder including a protruding portion on an end side thereof, and the developing unit is provided with a rotatable lift member on an end side thereof. In a mounted state in which the toner cartridge is mounted on the developing unit, the toner cartridge is maintained in the mounted state by engaging of a first portion of the lift member with the protruding portion, and the toner cartridge is transited from the mounted state to a lifted state in which the toner cartridge is rotated upward by contacting of a second portion of the lift member to the protruding portion with rotation of the lift member.

Dependencies are inferred from the claim text.