In an image reading apparatus, a user ID is input as login information pertaining to the user who implemented reading of the original document. When output current increases from a first current value to a second current value, the voltage converting controller temporarily sets a control frequency to a maximum frequency value. The series of gear systems comprises several variants of size categories. In one specific embodiment of the invention, inner and outer housings of the manifold assembly extend around a portion of an anchor for a seat belt.