Lexmark 40X8176 is compatible in the following Printer Models:

Lexmark Paper Handling

MX82x, XM73x 2100-Sheet Tray Option (0464-HC7)

2100-Sheet Tray Option (0464-HCI)

MS81x, MX71x 2100-Sheet Tray (9055-026)

MX81x 2100-Sheet Tray (9055-027)