Image forming apparatus having an optical fiber array

摘要

Each of optical fibers 1 includes on the outer peripheral portion thereof a plate member 2 which is used when assembling the optical fiber arrangement portion, and an optical fiber arrangement portion 29 includes an optical fiber array in which the plate members 2 of the optical fibers 1 are superimposed on top of each other in such a manner that they are arranged in parallel to each other.