Therefore, in {TAIL ~ the normal operation mode} of carrying out {HEAD ~ the image formation operation}, it is possible to decrease power consumption 
Therefore , in { TAIL ~ the normal operation mode } of carrying out { HEAD ~ the image formation operation } , it is possible to decrease power consumption
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH