In {TAIL ~ one implementation}, {HEAD ~ the device} is a handheld printer having a wireless communication module to receive image data from a host device 
In
In { TAIL ~ one implementation } , { HEAD ~ the device } is a handheld printer having a wireless communication module to receive image data from a host device
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH