... amount finished printing, automatic stop into paper.7. Double page detection: can effectively ruled out a newspaper, double, don ... more accurate, reliable on-off, won't produce empty zhang, the reverse side won't ceng dirty. 2. magic eye ... 2root rollers )6(2root rollers )Printing speed2000-8000 page/hour2000-8000 Page/hourElectricity requirementSingle phase:220v;50HzSingle phase: 220v;50HzInverter ...