Shown here is this Lexmark C780H4KG Black Return Program print cartridge.
Compatible Printers:
Lexmark C780n
Lexmark X782E
Lexmark C782n
Lexmark C780dn
Lexmark C782DN
Lexmark C782dtn
Lexmark C780dtn
Lexmark C782DTN
Check my other listings for other Lexmark items.