This Fan, 9A0624H414 is suitable for Roland RT-640 printers. This is the original Roland part (number 1000006174).

Use for : Roland LEC300 / LEC330 / RA640 / RE640 / RF640 / RT640 / SP300I / VS300 / VS420 / VS540 / EJ640 / LEF200 / LEF300 / LEF2-300 / LEF2-300 / SG-540 / VG-640 / XT-640 / XR-640 / SP-300i / SP-540I  /RT-640 /FH-740