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Duplex scanning is usually implemented on multifunction printers using a Reversing Automatic Document Feeder (RADF), which removes, reverses, and re-feeds the document after scanning one side. Duplex scanning is achieved on scanners by either RADF or by single pass duplex scanning using two cameras, one for each side of document; two-camera ...
There are two kinds of document feeders capable of two-sided (duplex) scanning: a reversing automatic document feeder or RADF scans one side of a page, then flips it and scans the other side. A duplexing automatic document feeder or DADF scans both sides in one pass. The advantage of the DADF is faster speed for two-sided originals.
Duplex multifunction printers that also support duplex scanning have a reversing automatic document feeder (RADF) for scanning both sides. Higher volume printers may effectively have two print engines in a single device, and are able to print both sides of the paper in a single pass.
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The scan starts out in black and white. When the first toggle patch is encountered, the following pages are scanned in color. When the second toggle is encountered, the following pages are scanned in black and white. The toggle patch may also be used to switch between scanning resolutions, bit depth , and one-sided or two-sided scanning. [1 ...
Over the last two and a half years, 19 states – home to more than a third of Americans – have passed laws that require pornography websites to confirm a user’s age by checking a government ...
The main cause of cardiac arrest is two types of arrhythmias called ventricular fibrillation or ventricular tachycardia. Other potential causes include: Heart tissue scarring from a previous heart ...