Calibration system and drawing device

A drawing device comprising:

• at least one exposure head that irradiates a substrate having a long-sheet shape with a beam for exposure, the substrate being conveyed along a longitudinal direction;
• a calibration system for calibrating the at least one exposure head;
• and
• a conveying drum that has a cylindrical shape, the conveying drum supporting the substrate on an outer periphery and conveying the substrate by rotating about a central shaft of the cylinder, wherein
• the calibration system includes:
• an exposure head support part that supports the at least one exposure head, the exposure head support part being configured to be arranged, at the time of exposure, at a position at which the beam emitted from each of the at least one exposure head is to be incident on at least one predetermined exposure region on the substrate;
• at least one sensor unit that includes an optical sensor, the optical sensor including a light-receiving surface that receives the beam and detecting at least an irradiation position and an irradiation intensity of the beam incident on the light-receiving surface;
• a sensor unit support part that supports the at least one sensor unit, the sensor unit support part supporting the at least one sensor unit so that, at the time of exposure, the light-receiving surface of the optical sensor included in the at least one sensor unit is parallel to an exposure surface in the at least one predetermined exposure region and the sensor unit support part is installed slidably relative to the exposure head support part;
• a movement mechanism that is configured to move at least the exposure head support part out of the exposure head support part and the sensor unit support part;
• and
• a control part configured to control operation of the movement mechanism, wherein
• the control part is configured to move, at the time of calibration, the exposure head support part so as to create a space in which the at least one sensor unit can be arranged on an optical path of the beam emitted from the at least one exposure head, and to move the sensor unit support part to slide relatively with respect to the exposure head support part so as to arrange the light-receiving surface at a position corresponding to the exposure surface on which the beam emitted from the at least one exposure head is incident at the time of exposure.