| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a printer head which can reduce an influence by vibration from the outside without causing the enlargement of a size. <P>SOLUTION: The printer head has a base board 301, a light source, a rod lens array 304, a housing 306, an installation member 310 or the like. The light source has a plurality of LED elements which are aligned along the Y-axial direction and mounted on the base board 301. The rod lens array 304 concentrates a plurality of light fluxes emitted from the light source in the vicinity of the surface of a photosensitive drum. The housing 306 has a ceiling plate with the Y-axial direction set in the longitudinal direction and two side plates which oppose each other with respect to the X-axial direction, and holds the base board 301 and the rod lens array 304. The installation member 310 is partially installed at -Z sides of the two side plates of the housing 306, and raises the rigidity of the printer head. Furthermore, the frequency of the inherent vibration of the housing 306 is adjusted by changing a position of the installation member 310 in the Y-axial direction. <P>COPYRIGHT: (C)2013,JPO&INPIT |
