Paper feed apparatus, image reading apparatus comprising paper feed apparatus, and image forming apparatus comprising paper feed apparatus

A paper feed apparatus, comprising:

• a paper placing tray on which a plurality of paper can be placed at one time, the paper placing tray being disposed at an upstream end of a paper feed path;
• a pickup roller that is provided movably between a standby position and an operation position and sends-out a paper placed in the paper placing tray;
• a first regulating portion that regulates a movement of a first width paper placed in the paper placing tray in a paper feeding direction, outside a second width paper passage area in a direction orthogonally intersecting the paper feeding direction;
• a second regulating portion that regulates a movement of a second width paper placed in the paper placing tray and having a smaller width than the first width paper in the paper feeding direction, inside the second width paper passage area in the direction orthogonally intersecting the paper feeding direction, the second regulating portion being provided closer to a center of the paper placing tray with respect to a width direction of the paper placing tray;
• and
• a setting detecting member that detects that the paper has been placed in the paper placing tray, wherein
• each of the first regulating portion and the second regulating portion is provided on the paper placing tray, such that one of the first regulating portion and the second regulating portion makes contact with the paper placed in the paper placing tray and regulates movement of the paper,
• each of the first regulating portion and the second regulating portion is provided movably between a position for regulating the movement of the paper and a position for feeding the paper, and
• the first regulating portion and the second regulating portion are arranged at only the same side with respect to a center portion in an axial direction of the pickup roller in the direction orthogonally intersecting the paper feeding direction.