1) in high printing definition 2) Printing quantities more than 2000 pages 3) Stable quality GR B4 40.5mm 270mm 100m GR1700 GR1710 GR1750 2roll×5GR A4 40.5mm 227mm 100m GR2700 GR2710 GR2750 2roll×5GR A3(76W) 40.5mm 320mm 100m GR3710,3700,GR3750 2roll×5GR A3 (78W) 40.5mm 320mm 100m GR3700,GR3790 2roll×5RA/RC B4 38.5mm 270mm 100m RC-33,RC-55,RC/RA-300,RA-500,RC-4000,RC-4200,RC-4500,RA-4900,RA-5800, ...