| CPC G03G 15/5033 (2013.01) [H01L 25/165 (2013.01); H01L 25/167 (2013.01)] | 4 Claims |
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1. An image forming apparatus comprising:
an image carrier;
an image forming unit configured to form an image on the image carrier;
a transfer unit configured to transfer the image from the image carrier onto a sheet;
an optical sensor configured to measure reflected light from a test image on the image carrier, the test image being formed by the image forming unit, the optical sensor including:
a printed circuit board;
a light-emitting element provided on a first surface of the printed circuit board, the light-emitting element being configured to irradiate the test image on the image carrier with light;
a light-receiving element provided on the first surface of the printed circuit board, the light-receiving element being configured to receive the reflected light from the test image on the image carrier; and
a connector provided on a second surface of the printed circuit board opposite to the first surface of the printed circuit board, with a cable for controlling the optical sensor being connected to the connector;
a support member configured to support the optical sensor so that the first surface of the printed circuit board faces a surface of the image carrier; and
a controller configured to control the image forming unit based on a result of the reflected light from the test image measured by the optical sensor,
wherein a direction in which the cable is inserted into the connector is orthogonal to the second surface of the printed circuit board,
wherein the printed circuit board is screwed to the support member by a first screw and a second screw, and
wherein the connector is positioned between a position of the first screw and a position of the second screw in a longitudinal direction of the printed circuit board.
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