Process unit, photosensitive member cartridge, developer cartridge, and image forming apparatus

摘要: A process unit detachably attachable to an image forming apparatus includes a photosensitive member cartridge having member, and developer developing roller that supplies the member. Urging devices are provided on right left sides of urge Action-receiving portions opposite receive action performed by urging devices. Each device has frame-like slide support pivotably connected corresponding side wall inner surface via pivots, motion acting portion protruded outwardly from beyond wall. Guide surfaces housing. As is moved into housing, each slides along upward downward slopes one guide surfaces, whereby changed non-urging orientation relative action-receiving portion, so can be pressed against drum.