F055090 DX2 Solvent Printhead Print Head for Roland FJ-50 FJ-52 CJ-500 SC-500 SJ-500 SJ-600 FJ40 CJ400 CJ500 SC500 SJ500 SJ600 generic roland scan motor for sj 540 sj 740 fj 540 fj 740 sc 540 printer parts motor