In conveyance of a recording medium, when a jam occurs and a belt is stopped, the recording medium loaded on the conveyance belt can be easily removed. The apparatus for rotating the conveyance belt and supplying electricity to the belt so as to attract and convey a recording medium on the surface of...http://www.google.com.tw/patents/US6789888?utm_source=gb-gplus-share專利 US6789888 - Recording medium conveyance apparatus and recording apparatus comprising recording medium conveyance apparatus