Patent ID: 6978097

Claim:
An image-forming apparatus comprising: an image-forming unit disposed so as to be detachably attached to an apparatus body; at least one sheet supply unit disposed at a lower portion of the apparatus body so as to be located below the image-forming unit for supplying a sheet, and including a sheet tray detachably attached to a body of the sheet supply unit; and a sheet carrying system including a sheet carrying path extending substantially vertically in the apparatus body so that the sheet supplied from the sheet supply unit is carried to an image-forming region of the image-forming unit and then ejected, wherein the apparatus body is provided with openings formed at its top and bottom portions; and a spatial portion communicating with the openings at the top and bottom portions of the apparatus body and facing at least one part of the sheet carrying path is formed when the image-forming unit and the sheet tray of each sheet supply unit are detached from the apparatus body.