Lexmark Parts Store

Site Assistance

Please contact at ecommerce@lexmark.com or call 1-866-378-5646

Sensor (punch unit motor encoder)

Part Number: 40X3944




          Status:  Constrained Get ETA


  • The availability of Lexmark parts is subject to change without notice..
RoHS compliant

Part #: 40X3944 is compatible with:

Model Name: Model Number:
X85xe, X86xe, W840, W850 Finisher-2/3-Hole 7500-FIN
X85xe, X86xe Booklet Finisher-2/3-Hole 7500-FNB
C935, X940e, X945e 3500-Sheet Finisher 7510-FNS
C935, X940e, X945e Booklet Finisher 7510-FNB