Sheet processing apparatus and image forming system

An image forming system comprising:

• an image forming apparatus configured to form an image on a sheet;
• and
• a sheet processing apparatus configured to process a sheet being conveyed,
• wherein the sheet processing apparatus includes:
• a first conveyance path for receiving the sheet,
• a punching unit configured to punch the sheet conveyed in the first conveyance path,
• a storage unit configured to be removable from the sheet processing apparatus and to store punch chips generated by the punching unit,
• a movement unit configured to support the punching unit and to move together with the punching unit in a direction parallel to a movement direction of the punching unit, and
• a receiving unit placed between the movement unit and the storage unit and configured to receive the punch chips from the punching unit via the movement unit while supporting the movement unit, and
• wherein, in a case where the storage unit is removed in a state in which punch chips stored in the storage unit have accumulated in the storage unit to reach the receiving unit, some of the punch chips that have reached the receiving unit are leveled by the receiving unit.