a holder for slidably supporting said printing element, said holder having a hollow portion located to the rear of said printing element, said hollow portion having rigid inner walls except at a front portion which faces said {HEAD ~ rear end} of {TAIL ~ said printing element} 
of
a holder for slidably supporting said printing element , said holder having a hollow portion located to the rear of said printing element , said hollow portion having rigid inner walls except at a front portion which faces said { HEAD ~ rear end } of { TAIL ~ said printing element }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL