Resolution is switchable between {TAIL ~ 600 dpi} and 300 dpi in the first embodiment, and between {HEAD ~ 600 dpi} and 400 dpi in the second embodiment 
Resolution is switchable between { TAIL ~ 600 dpi } and 300 dpi in the first embodiment , and between { HEAD ~ 600 dpi } and 400 dpi in the second embodiment
OTH OTH OTH OTH 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 OTH OTH OTH OTH