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Productive The GR-3770 dramatically cuts the time it takes to achieve top quality results with 600 dpi resolution. From a standing start you can print your first A4 copy in less than 22 seconds. From then on, the GR-3770 will produce superb copies at up to 1 20 per minute-each a perfect reproduction of the original. Add RISO's optional Automatic Document Feed, Sorter, 3000 Sheet Paper Feed and you can rush from artwork to a satisfying stack of several thousand fully sorted multi-page documents in under an hour. Versatile Able to copy from open books or single sheets with equal ease, the GR-3770 accepts paper sizes from A6 right up to A3 and weights from 46 to 210 gsm! It's as happy printing on recycled grades as on higher quality papers, easily coping with single or multi-colour work thanks to RISO's wide range of special inks. Further flexibility is ensured by a 50% to 200% zoom facility And a special Two Up feature enables two originals to be printed side by side onto one sheet of paper for the rapid production of leaflets, manuals and newsletters. Economical RISOGRAPHY can bring copy costs down to around one tenth the cost of photocopying or laser printing. It can also show substantial savings over commercial print services. But it's more than merely money that you'll save with RISOGRAPHY. Tasks that once required days or even weeks to schedule can now be confidently tackled in-house in little more than an afternoon! So rather than stockpile large quantities of printed materials, you can save on storage by printing strictly on demand. Refined Easy to operate with its large LCD panel and user - friendly prompts, the GR-3770 also features a revolutionary Paper Delivery System. Copy quality can be further enhanced thanks to Duo mode, Photo Mode, and Automatic Base Control, which automatically senses the best settings for each original to ensure optimum results every time. Memory Mode allows you to store frequently used jobs and the optional Automatic Document Feed is fully programmable, enabling the operator to leave the machine unattended while work proceeds. Processing Book Top Digital Printer with Digital Scanner First Print Speed A3 Original: 29 seconds A4 Original: 22 seconds Print Speed 5 selectable print speeds (60 to 120 copies per minute) Scanning Resolution 600 x 600 dpi Original Type Bound documents or sheets Original Size -For the Platen Glass: 50 x 90 mm (Business Card) to 297 x 420 mm A3 In the optional ADF Unit: 100 x 148 mm (A6) to 297 x 420 mm (A3) Original Weight -For the Platen Glass: 10 kg or less In the optional ADF Unit: 50 g/mē to 110 g/mē Printing Paper Size A6 to A3 Paper Weight 46 — 210 g/mē Image Area 290 x 412 mm Paper Capacity Feed: 1000 sheets (64g/mē) Receiving: 1000 sheets (64g/mē) Reduction 4 Steps: 71, 82, 87 & 94% Optional ADF Capacity 50 Originals Reduction 4 Steps: 71, 82, 87 & 94% Enlargement 141%, 122% & 116% Zoom 50 – 200% Features Print Speed/Density control (auto/manual) Confidential Mode Two Up Printing Book Document Processing Programmed Printing Memory Mode Photo Contrast enhancement Dot Screen Mode Photo mode Duo Mode Interface Capabilities Scanning Contrast adjustment (auto/manual) Automatic Ejection Guide Control Precision Stacking Tray Print Colours A wide range of colours including: Black Red Yellow Blue Green Brown Purple Bright Red Medium Blue Federal Blue Grey etc. Optional Accessories Colour Drum Units (A3 and A4) A4 Drum Unit Digitiser III Sorter TM5000 Sorter TM2500 Sheet Feeder SF3000 Job Separator III Key Card Counter III Computer Interface Power 100-120V 50-60 Hz <2A> or 220-240V 50-60 Hz <3A> Weight Approx. 116 kg Dimensions (W x D x H) 1316 x 669 x 832 mm (In Use) 745 x 669 x 715 mm (Stored)