Provided is a small-sized electrophotographic apparatus having a double face printing function, which can print at a high speed even during double face printing. There are provided a recording medium conveying path 5 composed of a vertical conveying path 5a for upward conveying a sheet fed from a sheet...http://www.google.es/patents/US6895211?utm_source=gb-gplus-sharePatente US6895211 - Electrophotographic apparatus
