Image forming apparatus with scanner mounted on upper cover thereof

An image forming apparatus comprising:

• a printing unit comprising a fixing device having a heater to form an image on a print medium;
• a housing in which the printing unit is located, the housing comprising an opening at an upper portion of the housing;
• an upper cover to open and close the opening, the upper cover comprising a loading table to load the print medium discharged from the printing unit;
• and
• a scanner, to read image information from a document, installed above the upper cover such that at least a part of a lower surface of the scanner faces the loading table and forms a discharge path of the print medium, the scanner located in a vertical projected area of the housing,
• wherein the scanner comprises a first end on an upstream side and a second end on a downstream side with respect to a discharge direction of the print medium, and
• wherein the first end is spaced apart from the heater in the discharge direction and 0≤X≤100 mm, where X is a vertical projected distance between the first end and the heater.