Sheet Discharge Apparatus Provided with a Plurality of Sheet Discharge Trays

A sheet discharge apparatus comprising:

• a first discharge tray;
• a second discharge tray disposed above the first discharging tray;
• a support unit configured to support the first discharge tray and the second discharge tray, the second discharge tray being attachable to and detachable from the support unit;
• an electric motor configured to generate a drive force;
• a first discharge roller configured to be driven by the drive force and configured to discharge a sheet toward the first discharge tray;
• a second discharge roller configured to be driven by the drive force and configured to discharge a sheet toward the second discharge tray;
• a first controlling unit configured to:
• control, in case that the second discharge tray is detached from the support unit while the first discharge roller and the second discharge roller are halted, the first discharge roller to remain halted;
• and
• control, in case that the second discharge tray is detached from the support unit While the first discharge roller and the second discharge roller are rotating, the first discharge roller to be halted after the first discharge roller continues rotating until a sheet has been discharged toward the first discharge tray;
• and
• a second controlling unit configured to control the second discharge roller.