{HEAD ~ The computer system} 12 wherein said {TAIL ~ cartridge} includes a recess and wherein said holding means includes a lever having an end which hooks into said recess in the cartridge 
wherein
{ HEAD ~ The computer system } 12 wherein said { TAIL ~ cartridge } includes a recess and wherein said holding means includes a lever having an end which hooks into said recess in the cartridge
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH 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