The Kyocera MC-3100 (302LV93010) is a main charge unit for compatible Kyocera laser printers. It is a printer service part intended for models listed for this component.
Compatibility includes the FS-4100DN, FS-4200DN and FS-4300DN, as well as ECOSYS M3040dn, M3040idn, M3540dn, M3540idn, M3550idn and M3560idn. The part number identifies this MC-3100 unit, helping distinguish it when sourcing a replacement part for a supported printer.