These printers use the 12A6865 cartridge:
Click On a Printer to View it's Cartridges
          Lexmark Optra X-622
          Lexmark T 620
          Lexmark T 620 DN
          Lexmark T 620 IN
          Lexmark T 620 N
          Lexmark T 620 Series
          Lexmark T 622
          Lexmark T 622 DN
          Lexmark T 622 IN
          Lexmark T 622 N
          Lexmark T 622 Series
          Lexmark X 620 E
          Lexmark X 620 E MFP
          Burroughs-Unisys UDS 134
          Burroughs-Unisys UDS 134 N
          Burroughs-Unisys UDS 136
          Burroughs-Unisys UDS 136 N
          IBM 4530-001
          IBM 4530-002
          IBM 4530 DN1
          IBM 4530 DN2
          IBM 4530 IN1
          IBM 4530 IN2
          IBM 4530 N01
          IBM 4530 N02
          IBM 4540-001
          IBM 4540-002
          IBM 4540 DN1
          IBM 4540 DN2
          IBM 4540 IN1
          IBM 4540 IN2
          IBM 4540 N01
          IBM 4540 N02
          IBM Infoprint 1130
          IBM Infoprint 1130 DN
          IBM Infoprint 1130 IN
          IBM Infoprint 1130 M
          IBM Infoprint 1130 MI
          IBM Infoprint 1130 MIX
          IBM Infoprint 1130 MN
          IBM Infoprint 1130 N
          IBM Infoprint 1140
          IBM Infoprint 1140 DN
          IBM Infoprint 1140 IN
          IBM Infoprint 1140 M
          IBM Infoprint 1140 MI
          IBM Infoprint 1140 MIX
          IBM Infoprint 1140 MN
          IBM Infoprint 1140 N
          Nashuatec P 6230
          Nashuatec P 6240
          Riso-Corporation M 620
          Riso-Corporation P 620
          Rosetta RT 1130 M
          Rosetta RT 1130 MI
          Rosetta RT 1130 MIX
          Rosetta RT 1130 MN
          Rosetta RT 1140 M
          Rosetta RT 1140 MI
          Rosetta RT 1140 MIX
          Rosetta RT 1140 MN
          Source-Technologies ST 1130
          Source-Technologies ST 1140