This Spring, Cap is suitable for Roland VS-640 printers. This is the original Roland part (number 1000007551).
 
Printer compatibility
Roland BN-20
Roland RA-640
Roland RE-640
Roland RF-640
Roland RF-640a
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 XR-640
Roland EJ-640
Roland XT-640