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