Risograph RSGS4387 RISOGRAPH GR1700 2PK SD YLD RED INKS. Compatable with these models: FR2950
FR3910
FR3950
GR1700
GR1750
GR2710
GR2750
GR3710
GR3750
GR3770
RA4000
RA4200
RA4500
RA4900
RA5600
RA5800
RA5900
RC5600
RC5800
RC5900
RC6300
RN2000
RN2030
RN2050
RN2130
RN2235
RN2530
RN2555
RP3100
RP3105
RP3500
RP3505
RP3590
RP3700
RP3790
FR3910
FR3950
GR1700
GR1750
GR2710
GR2750
GR3710
GR3750
GR3770
RA4000
RA4200
RA4500
RA4900
RA5600
RA5800
RA5900
RC5600
RC5800
RC5900
RC6300
RN2000
RN2030
RN2050
RN2130
RN2235
RN2530
RN2555
RP3100
RP3105
RP3500
RP3505
RP3590
RP3700
RP3790