Lexmark
40X7806
is compatible in the following Printer Models:
Lexmark Multifunction Color Laser
Lexmark CX510de (7527-636)
Lexmark CX510dhe (7527-637)
Lexmark CX510dthe (7527-637)
Lexmark Color Laser
Lexmark CX510de (7527-636)
Lexmark CX510dhe (7527-637)
Lexmark CX510dthe (7527-637)