RISO GR3770 Digital Duplicator Specifications and Product Details:
	
Processing : Risography (digital printing)
	
Time to first copy : Letter:approx. 22 seconds:Ledger:aprox.29 seconds
	
Printing Speed : 5 selectable Speeds (60, 80, 100, 110, 120 sheets per min.)
	
Scanning Resolution : 600 x 600 dpi
	
Original Type : For Stage glass:
	
max: Ledger 11 x 1: min: Business card 21/8x 31/2
	
In the optional ADF Unit:
	
max: ledger 11 x 17: min: 4 x 6
	
Paper Size : Max: 11x17: Min: 4 x 6
	
Original Weight : For stage glass: 22 lbs. or less
	
In the optional ADF Unit: max: 28 lb. bond; min: 15 lb. bond
	
Paper Weight : Max: 110 lb. index; Min 14 lb. bond
	
Image Area : 10.7 x 16.5
	
Paper Capacity : 1000 sheets in feed and receiving tray (based on 20 lb. bond paper)
	
Optional ADF Capacity : 50 originals with programmable copy count and grouping
	
Machine Weight : Approx. 258 lbs.
	
Dimensions (w x d x h) : In use: 51 x 26 x 25.8 : Instorage: 28.7 x 26 x 25.8
	
With optional ADF unit installed: In use: 51 x 26 x 32.8
	
In storage: 29.3 x 26 x 28.2
	
Power Source : 120 VAC, 60Hz <5.0A>
	
Reduction Parameters : 4 selectable: 94%, 77%, 75%, 66%
	
Enlargement Parameters : 3 selectable: 121%, 127%, 141%
	
Zooming Parameters : 50% to 200% in 1% increments