To provide an optical print head which can keep the fixed interval between a photoreceptor and an optical print head over the main scanning direction and maintain an excellent quality of printing.

The optical print head 3 includes a plurality of light emission heads 10 which have a base member 11, a substrate 12 installed above the base member 11, and a light emitting element array which is installed on the substrate 12 and in which a plurality of light emission elements 14 are arranged in one direction, respectively. A plurality of light emission heads 10 are arranged in the arrangement direction of the light emission element 14. The optical print head has interval adjustment means 17 for adjusting the interval between the base member 11 and the substrate 12, between the base member 11 and the substrate 12, respectively.