This product would be the best fit for Ricoh MP5054 users who require a compatible developer unit in black.
Black Developer Unit DV-619K Compatible with Models 308e, 368e, 458e, 558e, 658e, 368, 458, 558, C458, C558, C658 (Replaces A9C803D)
Zenfora Black Developer Unit Compatible With C226 C256 C266 DV-215K Drum
Xerox 675K017930 Black Developer Unit Genuine OEM Unused
Ricoh D2423091 D242-3091 genuine Black Developer Unit MPC3004 C3504 C4504 C6004
Cyan Magenta Yellow Black Developer Unit Compatible With Ricoh MP C2003 C2503 C3003 C3503 C4503 C5503 C6003 MPC 2504(CYMK)
Cyan Magenta Yellow Black Developer Unit Compatible With Ricoh MP C2003 C2503 C3003 C3503 C4503 C5503 C6003 MPC 2504(BK)