The drum cartridge has lock portions that lock on both side plates of {HEAD ~ the apparatus main body} at {TAIL ~ both ends} in a longitudinal direction of the drum cartridge such that the apparatus main body follows the drum cartridge mounted on the apparatus main body 
The drum cartridge has lock portions that lock on both side plates of { HEAD ~ the apparatus main body } at { TAIL ~ both ends } in a longitudinal direction of the drum cartridge such that the apparatus main body follows the drum cartridge mounted on the apparatus main body
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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