Lexmark
40X1920
is compatible in the following Printer Models:
Lexmark Color Laser
Lexmark C770dn (5061-110)
Lexmark C770dtn (5061-110)
Lexmark C770n (5061-110)
Lexmark C772dn (5061-310)
Lexmark C772dtn (5061-310)
Lexmark C772n (5061-310)