Lexmark #70C0D10 - Black Developer genuine
CS310, CS410, CS510, CX310, CX410, CX510, XC2132 series color laser printers - Black Developer Unit (700D1) (40,000 yield)
Lexmark #70C0Z10 - Black Imaging Unit genuine
CS310, CS410, CS510, CX310, CX410, CX510 series color laser printers - BLACK IMAGING KIT (700Z1) (approx. 40k page yield) (this is NOT toner)
Lexmark #80C0X10 - Extra HY Black Toner genuine
CX510de, CX510dhe, CX510dthe MFP color laser printers - BLACK Extra High Yield Toner (800X1) (approx. 8,000 yield)
Lexmark #80C10K0 - Low Yield Black Toner genuine
CX310, CX410, CX510 series color laser printers - Black Toner Cartridge (Low Yield) (approx. 1,000 page yield) (prepaid return program shipping label included)
Lexmark #80C1SK0 - Standard Black Toner genuine
CX310n MFP, CX310dn MFP, CX410, CX510 series color laser printers - BLACK toner cartridge (801SK) (approx. 2,500 yield) (return program prepaid label included)
Lexmark #80C1XK0 - Extra HY Black Toner genuine
CX510de, CX510dhe, CX510dthe MFP color laser printers - BLACK Extra High Yield Toner (801XK) (approx. 4,000 yield) (return program prepaid label included)