Printhead  Name:DX6 Original of Roland VS,RA and RE series-6701409010 (Note,DX6 or DX7 is actually the printhead name from the distributor,here dx6 or dx7 is the same thing,but you need to know the model name of the Roland,then the printhead is clear)
Application: For Roland VS-420 / VS-300 / VS-540 / VS-640 / VS-300i / VS-540i / VS-640i / BN-20 / FH740 / RA-640 / RE-640 / RF-640 / RF-640a / EJ-640 / XT-640 / RT-640 / XR-640 / XF-640.
Note:Original  and New Roland Printhead with Original packing of Roland
Part No.:6701409010