Lexmark
40X8158
is compatible in the following Printer Models:
Lexmark Paper Handling
MS81x, MX71x 550-Sheet Tray (9010-136)
MS81x, MX71x 250-Sheet Tray (9010-137)
MS81x, MX71x 250-Sheet Lockable Tray (9010-139)
MS81x, MX71x 550-Sheet Lockable Tray (9010-140)
MX81x 550-Sheet Tray (9010-141)