If the document data is a bitmap image file , the process of the step S1202 is executed; if {TAIL ~ the document data} is not a bitmap image file , the process of {HEAD ~ the step} S1207 is executed 
If the document data is a bitmap image file , the process of the step S1202 is executed ; if { TAIL ~ the document data } is not a bitmap image file , the process of { HEAD ~ the step } S1207 is executed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH