Patent ID: 8437659

Claim:
An image forming apparatus, comprising: a main body; an image carrier; a housing provided with a rotation fulcrum in a lower part thereof; a transfer roller that is disposed in the housing and configured to be opposite to the image carrier when the housing is rotated around the rotation fulcrum; a transfer roller pressing member that is disposed in the housing and configured to urge the transfer roller toward the image carrier; a guide that is disposed in the housing and configured to feed transfer paper; a fixing hook that is disposed in the housing and configured to be urged in a direction to lock the housing about the main body; a transfer roller releasing lever that is disposed in the housing and configured to separate the transfer roller from the image carrier against urging performed by the transfer roller pressing member; a transfer roller positioning part that is disposed in the main body and configured to position the transfer roller; and an operation part configured to cause the fixing hook to rotate in a direction to unlock the housing such that the transfer roller releasing lever rotates in a direction to release the transfer roller from the image carrier.