1. An image forming apparatus, comprising: a face recognition section configured to calculate a matching rate based on an information indicating image feature of a face of a person, detected from an periphery image that is an image of the periphery of image forming apparatus and an information indicating image feature of a registered image which is an image of a face of a user registered to the image forming apparatus in advance, wherein the matching rate correlates a distance between the image forming apparatus and the person whose face is detected from the periphery image; and a printing control section configured to control a printing process having a plurality of processing stages, each processing stage being associated at least in part with a respective threshold in one or more thresholds, the printing control section configured to compare the matching rate to at least one of the one or more thresholds, the printing control section configured to determine whether the matching rate exceeds the at least one of the one or more thresholds.