Patent attributes
An image forming apparatus includes a door which is disposed on a rear surface of the image forming apparatus that allows a portion of the rear side thereof to open. The image forming apparatus further includes an image forming unit. The door is disposed at a position accessible to the image forming unit. The door includes a swelling portion which outwardly swells and receives parts and devices therein, for example, cables and tubes of the image forming apparatus. The swelling portion has an arc shape. The door on the rear surface of the image forming apparatus serves as a door for maintenance. The image forming unit includes an inkjet type image forming unit. The image forming unit includes a gel-inkjet type image forming unit.