Image exposure apparatus

An image exposing apparatus for exposing an image onto a light sensitive material, comprising:

• a plurality of light beam emitting element arrays, each light beam emitting element array emitting aligned-light beams which are aligned in at least a single line;
• a light mixing device which mixes a plurality of aligned-light beams emitted from the plurality of light beam emitting element arrays and which emits mixed-aligned-light beams which are aligned in the same line;
• a light receiving device located so as to receive the mixed-aligned-light beams at a position where the light sensitive material is exposed;
• and
• an adjusting device which adjusts a position of each of the plurality of light beam emitting element arrays based on a light receiving result by the light receiving device,
• wherein the light receiving device detects an inclination and a warp in the light beam emitting element array.