... offset printing pressesWidely used in school, middle and small enterprise, suitable for examination paper, notes, exercise books, bills ... finished printing, automatic stop into paper.7. Double page detection: can effectively ruled out a newspaper, double, ... rollers )6(2root rollers )Printing speed2000-8000 page/hour2000-8000 Page/hourElectricity requirementSingle phase:220v;50HzSingle phase: 220v; ...