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The Risograph GR 3750 is the flagship of the legacy GR series, a Ledger-size (A3) duplicator with 600 dpi resolution. Printing at 120 PPM, it offered the highest print quality of its era for a duplicator, bridging the gap to offset. It features a touch panel and advanced image processing. Protect the high resolution of your GR 3750 with supplies from G.M. Supplies Ltd. because: 1) We guarantee genuine Riso GR Ink and Masters, critical for achieving the rated 600 dpi output; 2) All qualifying orders over $99.00 receive free UPS Ground shipping; and 3) We are a dependable source for these high-end legacy consumables.