This E-rings is suitable for all Roland printer. This is the original Roland part (number 31149703AS).
 
Printer compatibility
Roland BN-20
Roland FP-740
Roland LEJ-640
Roland PNC-1860
Roland PNC-960
Roland RA-640
Roland RE-640
Roland RS-540
Roland RS-640
Roland SC-545ex
Roland SJ-1045ex
Roland SJ-645ex
Roland SJ-745ex
Roland SP-300
Roland SP-300i
Roland SP-300v
Roland SP-540i
Roland SP-540v
Roland VP-300
Roland VP-300i
Roland VP-540
Roland VP-540i
Roland VS-300
Roland VS-300i
Roland VS-420
Roland VS-540
Roland VS-540i
Roland VS-640
Roland VS-640i
Roland XC-540
Roland XC-540mt
Roland XJ-540
Roland XJ-640
Roland XJ-740
Roland XR-640