Part Number : 40X9251 Description: Controller Card MX310dn Galvo Lsu (MX317) (LEX-40X9251) NOTE: This part is electronically branded upon installation, and therefore NON-RETURNABLE IF OPENED. See www.fastprinters.com/warning-notice.asp for details.
Check the color of the controller board. For polygon LSU, the color of the controller board is blue. For galvo LSU, the color is green-SEE P/N 41X0482. Please call for technical support before ordering/opening controller board if you have ANY questions. Manufacturer: LEXMARK