Patent ID: 7510278

Claim:
An image forming apparatus comprising: a paper feed tray to which a recording paper sheet is loaded; a paper feed roller provided for facing the paper feed tray and feeding a recording paper sheet to a paper conveying path; and an image forming unit for forming an image on a recording paper sheet conveyed along the paper conveying path; wherein the paper feed tray has a first tray portion having a size capable of holding a first recording paper sheet of a first size which is a largest size printed by the image forming apparatus, is held on a main body of the inkjet printer so as to form a first elevation angle with the paper conveying path from the paper feed roller to the image forming unit, and has a rectangular aperture corresponding to a second recording paper sheet of a second size which is smaller than the first size, and a second tray portion attached to the rectangular aperture of the first tray portion; and the second tray portion can be held in a state to form a second elevation angle with the paper conveying path gentler than the first elevation angle when the second recording paper sheet of the second size which is thicker than the first recording paper sheet of the first size is loaded on the second tray portion.