Patent ID: 7720411

Claim:
An image forming apparatus comprising: an apparatus body; a holding member including a plurality of photosensitive drums, the holding member being configured to hold a plurality of toner cartridges disposed in association with the photosensitive drums in a detachable manner and to move between a storage position in which the holding member is accommodated in the apparatus body and a replacement position; and a supporting member coupled to the holding member, the supporting member being configured to support a plurality of light source arrays in association with the photosensitive drums and to cover the holding member, the supporting member being configured to move between a retaining position where the light source arrays are positioned relative to the photosensitive drums and a withdrawn position where the light source arrays are withdrawn from the photosensitive drums, and the supporting member being configured to move to the withdrawn position in a different direction than the direction in which the holding member is moved to the replacement position.