Compatible Riso GR RA RC FR RP Blue Ink For Use In S4388, S4394, S4395, S-4388, S-4394, S-4395, GR1700, GR2700, GR2710, GR2750, GR3710, GR3750, GR3770, RA4000, RC4200, RC4500, RC4900, RC5600, RC5800, RC5900, RC6300, FR2950, FR3910, FR3950, RP3100, RP3105, RP3500, RP3505, GR-1700, GR-2700, GR-2710, GR-2750, GR-3710, GR-3750, GR-3770, RA-4000, RC-4200, RC-4500, RC-4900, RC-5600, RC-5800, RC-5900, RC-6300, FR-2950, FR-3910, FR-3950, RP-3100, RP-3105, RP-3500, RP-3505