This Fan, 9A0624H414 is suitable for Roland RA-640 printers. This is the original Roland part (number 1000006174).
 
Printer compatibility
Roland LEC-300
Roland LEC-300a
Roland LEC-330
Roland LEC-540
Roland LEJ-640
Roland RA-640
Roland RE-640
Roland RF-640
Roland RF-640a
Roland SP-300i
Roland SP-540i
Roland VS-300
Roland VS-300i
Roland VS-420
Roland VS-540
Roland VS-540i
Roland VS-640
Roland VS-640i
Roland XF-640
Roland SG-300
Roland SG-540
Roland VG-640
Roland VG-540
Roland EJ-640
Roland XT-640
Roland XR-640