Patent ID: 8121518

Claim:
A combination comprising: a photoconductor cartridge including: a photoconductor drum, a first housing configured to support the photoconductor drum, and a slot being formed in the first housing; a developing cartridge configured to be removably installed in the photoconductor cartridge, the developing cartridge including: a developing roller configured to hold toner thereon, and a second housing configured to support the developing roller, the developing roller being configured to be supported in the slot when the developing cartridge is installed in the photoconductor cartridge; and a toner cartridge configured to hold the toner therein, the toner cartridge being configured to be removably installed in the developing cartridge, wherein the photoconductor cartridge further includes an attachment device provided in the first housing, the attachment device being configured to apply a pressing force to the toner cartridge to cause the developing roller to move along the slot when the toner cartridge is installed in the developing cartridge.