In the step S1201, a judgment is made as to whether a document {HEAD ~ data} received from other equipment, e.g., the computer 30, is {TAIL ~ a bitmap image file} 
is
In the step S1201 , a judgment is made as to whether a document { HEAD ~ data } received from other equipment , e.g. , the computer 30 , is { TAIL ~ a bitmap image file }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL