Automatic document feeder

摘要

An automatic document feeder feeds documents placed on a document table to a document exposure position, and has a document discharge means having a discharge roller for discharging the document after exposure onto the document table, the document discharge means being movable in the document conveying direction. The automatic document feeder includes a drive pulley mounted on an end portion of the discharge roller; a pair of transmission pulleys disposed outside the moving range of the drive pulley in the document conveying direction, and rotatably supported at a stationary part; a timing belt looped between the pair of transmission pulleys and the drive pulley; and a drive source transmittingly connected to one of the pair of transmission pulleys and disposed at a stationary part.