Patent ID: 8340549
Filing Date: 2012-12-25
Classification: G03G

Abstract:
1. An image forming unit configured to form an image on a sheet, comprising: a frame including a wall; a register roller disposed on the frame; a plurality of photosensitive members, wherein the photosensitive members define an image transfer plane including points on each photosensitive member where the image is transferred to the sheet; a plurality of cartridges, each cartridge corresponding to a respective one of the photosensitive members, wherein each cartridge includes at least one developing device configured to develop the image on the respective one of the photosensitive members; a plurality of guide members configured to guide each cartridge to move along a first direction, each cartridge being configured to be attached to and detached from the frame in the first direction, wherein the first direction is inclined with respect to the image transfer plane; and a first guide disposed between the register roller and the photosensitive member which is nearest to the register roller, the first guide being configured to guide a sheet from the register roller to above the image transfer plane and then down to the image transfer plane.