| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an optical printer head capable of finely adjusting the relative positional relationship between a rod lens array fixed on a housing, and a light emitting element array chip on a substrate even after disposing the housing on the substrate. SOLUTION: An optical printer head comprising a housing 4 with a rod lens array 3 fixed, on a rectangular substrate 1 with a plurality of light emitting element array chips 2 mounted in a row such that the rod lens array 3 is disposed on the light emitting element array chips 2, wherein a pair of stopping parts 5 engaged on both longitudinal direction ends of the substrate 1, each movable at least on the direction orthogonal to the row of the light emitting element array chips 2, are provided in the housing 4.</p> |
