Image forming system

An image forming system comprising:

• an image forming apparatus including an image forming unit configured to form an image on a sheet;
• a first sheet feeding apparatus detachably disposed on a side surface of the image forming apparatus, and configured to feed the sheet to the image forming unit;
• a second sheet feeding apparatus disposed on the side surface of the image forming apparatus at a position above the first sheet feeding apparatus, and including a tray configured to support the sheet and a sheet feeding unit configured to feed the sheet supported on the tray to the image forming unit;
• and
• a sheet supporting apparatus configured to be mounted to the second sheet feeding apparatus and support the sheet together with the tray,
• wherein the sheet supporting apparatus includes:
• a mounting portion configured to be mounted to a mounted portion disposed in the second sheet feeding apparatus;
• a sheet supporting portion configured to support an upstream side in a sheet conveyance direction of the sheet supported on the tray in a state in which the mounting portion is mounted to the mounted portion;
• and
• a first support leg configured to support the sheet supporting portion by coming into contact with a floor surface, on which the image forming apparatus is supported, in the state in which the mounting portion is mounted to the mounted portion.