Patent ID: 8971732
Filing Date: 2015-03-03
Classification: G03G

Abstract:
1. An image forming apparatus that forms an image on a sheet using an image forming unit, the image forming apparatus comprising: a storage unit configured to store sheets to be fed to the image forming unit; a feeding unit configured to feed the sheets stored in the storage unit; a sheet guide disposed above the storage unit and configured to form a sheet conveyance path, on which a sheet is conveyed; a detection unit disposed above the sheet guide and including a light emitting portion configured to emit light towards the storage unit and a light receiving portion configured to receive light; a light passage portion disposed in the sheet guide, through which light emitted from the light emitting portion in the detection unit passes; a reflection portion disposed below the storage unit and configured to reflect, towards the light receiving portion, light emitted from the light emitting portion and having passed through the light passage portion; and a control unit configured to determine, based on an amount of light received by the light receiving portion, whether there is a sheet in the sheet conveyance path and whether there is a sheet stored in the storage unit.