Sheet conveying apparatus and image forming apparatus

A sheet conveying apparatus comprising:

• an apparatus main body;
• a stack unit having a contact portion and configured to be inserted into and extracted from the apparatus main body, wherein the stack unit includes a stack portion on which a sheet is to be placed;
• a conveyance guide that can be located at a guide position for guiding the sheet conveyed on a conveying path and a release position for releasing the conveying path;
• and
• a moving member having a contacted portion and configured to move the conveyance guide from the guide position to the release position by moving in a first direction from a first position to a second position,
• wherein the moving member moves from the first position in a second direction opposite to the first direction by the contact portion of the stack unit coming into contact with the contacted portion of the moving member when the stack unit is inserted to and extracted from the apparatus main body.