| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress color shift of respective colors even when angles of respective holding parts for holding a plurality of reflecting mirrors provided corresponding to the respective colors are changed due to heat. <P>SOLUTION: An optical scanner 40 comprises: a resin housing 40A housing an optical system for irradiating image holders 34 of respective colors with exposing light of the respective colors; a plurality of reflecting mirrors 118 which are included in the optical system housed in the housing 40A, are provided to face the same direction, and reflect light emitted from a light source 124 with respect to the respective colors; and a plurality of holding parts 162 which are formed at positions different in distance from a heat source 130 in the housing 40A and hold each reflecting mirrors 118 at three holding points 164A. The positions of the three holding points 164A of at least one holding part 162 out of the plural holding parts 162 are different from the positions of three holding points 164A of other holding parts 162. <P>COPYRIGHT: (C)2012,JPO&INPIT |
