Image forming apparatus and cartridge

An image forming apparatus comprising:

• an apparatus main body;
• a first unit dismountable from the apparatus main body;
• a second unit dismountable from the first unit;
• and
• a protective member dismountably supported by the first unit and the second unit,
• wherein the first unit includes a photosensitive member configured to bear an electrostatic latent image, a transfer unit configured to transfer a toner image formed on the photosensitive member, and a first unit memory section configured to store information regarding the first unit,
• wherein the second unit includes a development roller configured to develop the electrostatic latent image borne by the photosensitive member into a toner image, a storage section configured to store a developer, and a second unit memory section configured to store information regarding the second unit,
• wherein the apparatus main body includes a first main body contact that is electrically connectable to the first unit memory section and
• a second main body contact that is electrically connectable to the second unit memory section, and
• wherein when the image forming apparatus is packed, the first unit and the second unit are mounted to the apparatus main body with the second unit mounted to the first unit and with the protective member mounted to the first unit and the second unit.