Lexmark
40X0905
is compatible in the following Printer Models:
Lexmark Paper Handling
W840 Finisher (4024-FIN)
X85xe, X86xe, W840, W850 Finisher-2/3-Hole (7500-FIN)
C950, X95x Booklet Finisher (3-Hole) (7558-FNB)
C950, X95x Booklet Finisher (4-Hole) (7558-FNB)
C950, X95x 3500-Sheet Finisher (3-Hole) (7558-FNS)
C950, X95x 3500-Sheet Finisher (4-Hole) (7558-FNS)