Printing apparatus and storage cassette

A storage cassette capable of being attached to and removed from a housing of a printing apparatus, the storage cassette storing a sheet, the printing apparatus comprising:

• the housing;
• a feed roller, disposed in the housing, that feeds a sheet;
• a cam that rotates in synchronization with the feed roller;
• a conveyance unit configured to convey the sheet fed by the feed roller;
• and
• a printing unit configured to print onto the sheet conveyed by the conveyance unit, and
• the storage cassette comprising:
• a sheet separation unit capable of contacting the feed roller in a state where the storage cassette is attached to the housing;
• a follower driven by the cam when the cam rotates;
• and
• a switching mechanism configured to switch a position of the sheet separation unit between a contact position, in which the sheet separation unit is in contact with the feed roller, and a separated position, in which the sheet separation unit is separated from the feed roller, in conjunction with movement of the follower.