This cleaner carriage is suitable for Roland CJ-400 printers. This is the original part (number 21755106).
 
Printer compatibility
Roland CJ-400
Roland CJ-500
Roland FJ-40
Roland FJ-400
Roland FJ-42
Roland FJ-50
Roland FJ-52
Roland FJ-600
Roland SC-500
Roland SJ-500
Roland SJ-600
Roland FJ-500