This Spring, Cartridge is suitable for Roland FJ-50 printers. This is the original Roland part (number 22175167).
 
Printer compatibility
Roland CJ-400
Roland CJ-500
Roland FJ-40
Roland FJ-400
Roland FJ-42
Roland FJ-50
Roland FJ-500
Roland FJ-52
Roland FJ-600
Roland RA-640
Roland RE-640
Roland SC-500
Roland SJ-500
Roland SJ-600
Roland VS-300
Roland VS-420
Roland VS-540
Roland VS-640