wherein the first paper guide, the movable blade, and {HEAD ~ the feed roller} are detachable from {TAIL ~ a main body} of the printing apparatus 
wherein the first paper guide , the movable blade , and { HEAD ~ the feed roller } are detachable from { TAIL ~ a main body } of the printing apparatus
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH