Patent ID: 9599948
Date: 2017-03-21
CPC Classifications: G03G

Claim:
1. An image forming apparatus comprising: a main casing having a manual insertion opening; a photosensitive drum; a retaining unit retaining the photosensitive drum, the retaining unit movable in a moving direction from a mounted position in which the retaining unit is mounted in the main casing to a pulled-out position in which the retaining unit is pulled out of the main casing; a belt configured to contact the photosensitive drum; a sheet supply tray configured to accommodate a sheet; a sheet supply roller configured to convey the sheet accommodated in the sheet supply tray; a sheet conveying tray configured to convey a sheet in a conveying direction from the manual insertion opening to the sheet supply roller, the conveying direction being opposite to the moving direction, the sheet conveying tray being movable in the moving direction from an inner position to an external position; a first roller; a second roller located downstream in the conveying direction from the first roller; a third roller provided at the sheet conveying tray, the third roller being located below the first roller when the sheet conveying tray is located at the inner position; and a fourth roller provided at the sheet conveying tray, the fourth roller being located below the second roller when the sheet conveying tray is located at the inner position, wherein the third roller and the fourth roller are located out of the main casing when the sheet conveying tray is located at the external position.