This Gear, S300S10 is suitable for Roland FJ-540 printers. This is the original Roland part (number 21685119).
Printer compatibility
Roland AJ-1000
Roland AJ-740
Roland FJ-40
Roland FJ-400
Roland FJ-42
Roland FJ-50
Roland FJ-500
Roland FJ-52
Roland FJ-540
Roland FJ-600
Roland FP-740
Roland SJ-1000
Roland SJ-1045ex
Roland SJ-500
Roland SJ-540
Roland SJ-600
Roland SJ-640
Roland SJ-645ex
Roland SJ-740
Roland SJ-745ex
Roland VS-300i
Roland VS-540i
Roland VS-640i
Roland XF-640
Roland XJ-640
Roland XJ-740
Roland AJ-1000i