Recording medium containing cassette and image forming apparatus including the same

An image forming apparatus comprising:

• a recording medium containing cassette removably mounted in a body of an image forming apparatus;
• and
• an image forming unit configured to form an image on a recording medium,
• wherein the recording medium containing cassette includes:
• a recording medium support plate configured to allow a stack of recording media to be placed thereon;
• a biasing member configured to bias upward the recording medium support plate;
• and
• a width cursor configured to position the stack of recording media in a widthwise direction perpendicular to a conveyance direction of the recording medium,
• the recording medium support plate is allowed to swing so that a downstream portion in the conveyance direction of the recording medium support plate is moved upward and downward, raised
• the width cursor includes:
• a first limiting portion configured to limit the upward movement of the recording medium support plate when the recording medium containing cassette is outside the body of the image forming apparatus and an amount of the stack of recording media is larger than a predetermined value, and
• a second limiting portion configured to limit the upward movement of the recording medium support plate when the recording medium containing cassette is outside the body of the image forming apparatus and the amount of the stack of recording media is smaller than the predetermined value.