Patent ID: 8577257

Claim:
A process unit comprising: a first housing detachably attachable to an image forming apparatus; an image carrier to carry an image on a surface thereof; a charger to charge the surface of the image carrier; a developing device to form the image on the surface of the image carrier; a cleaning device to remove toner from the surface of the image carrier; a lubricant to be supplied to the surface of the image carrier; a lubricant container to contain the lubricant; and a waste toner container having an enclosed space with an opening through a side thereof to store the toner removed from the surface of the image carrier until the space is filled, wherein the first housing includes the image carrier and at least one of the charger, the developing device, and the cleaning device, wherein the lubricant, the lubricant container, and the waste toner container together are detachably attachable to the first housing, and wherein the lubricant and the waste toner container together are detachably attachable to the first housing in a state in which the first housing remains attached to the image forming apparatus.