said {HEAD ~ second end side lock portion} is inserted and fitted into {TAIL ~ the second end side guide member} provided in a side plate serving as the second end side main body frame in the direction orthogonal to the longitudinal direction of said cartridge 
said { HEAD ~ second end side lock portion } is inserted and fitted into { TAIL ~ the second end side guide member } provided in a side plate serving as the second end side main body frame in the direction orthogonal to the longitudinal direction of said cartridge
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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