An image forming apparatus includes an image forming unit, an image
reading unit disposed above the image forming unit, a sheet discharge
space disposed between the image reading unit and the image forming unit,
a sheet discharge unit to discharge the sheet into the sheet discharge
space from a back side to the front side, an operation unit disposed on
the front side and including a display and an instruction input portion,
and a document feeder disposed above the image reading unit. The image
reading unit includes a document table, a document reverse unit to
reverse and transport the original document, and a document discharge
portion disposed beneath the document table, to which the original
document is discharged. On the front side, the operation unit screens the
document reverse unit while exposing both the document table and the
document discharge portion of the document feeder from the front side.