Lexmark LEX56F1H00 LEXMARK MS321DN HI RETURN PROG BLACK. Compatable with these models: MS321DN
MS421DN
MS421DW
MS521DN
MS621DN
MX321ADN
MX521ADE
MX521DE
MX522ADE
MX522ADHE
MX622ADE
MX622ADHE
MS421DN
MS421DW
MS521DN
MS621DN
MX321ADN
MX521ADE
MX521DE
MX522ADE
MX522ADHE
MX622ADE
MX622ADHE