Sheet feeding apparatus and image forming apparatus

A sheet feeding apparatus comprising:

• a tray disposed at a side part of an apparatus body and configured to support a sheet;
• a feed unit configured to feed the sheet supported on the tray;
• a detection unit configured to detect that the sheet has been fed by the feed unit;
• an air blowing unit configured to blow air to the sheet supported on the tray;
• and
• a control unit configured to execute a feeding operation to feed the sheet by the feed unit and a blowing operation to blow the air by the air blowing unit, respectively,
• wherein the control unit is configured to:
• execute a retry operation to re-execute the feeding operation in a case where the detection unit does not detect feeding of the sheet within a predetermined time after executing the feeding operation;
• and
• execute a first blowing mode to execute the blowing operation after executing the feeding operation and before executing the retry operation.