Lexmark LEX27X6410 LEXMARK MARKNET N8372 802.11B/G/N WIFI + NFC. Compatable with these models: CS421DN
CS431DW
CS521DN
CS622DE
CX421ADN
CX431ADW
CX522ADE
CX622ADE
MS621DN
MS622DE
MS823DN
MX421ADE
MX521ADE
MX522ADHE
MX622ADE
MX622ADHE
MX722ADE
MX826ADE
CS431DW
CS521DN
CS622DE
CX421ADN
CX431ADW
CX522ADE
CX622ADE
MS621DN
MS622DE
MS823DN
MX421ADE
MX521ADE
MX522ADHE
MX622ADE
MX622ADHE
MX722ADE
MX826ADE