Still another object of the invention is to provide {HEAD ~ an image forming apparatus} capable of printing {TAIL ~ a specific mark}, which identifies the printing person or the contents of the document, on the back face of the print medium 
capable of printing
Still another object of the invention is to provide { HEAD ~ an image forming apparatus } capable of printing { TAIL ~ a specific mark } , which identifies the printing person or the contents of the document , on the back face of the print medium
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH