Device and method for feeding papers
摘要:
A method for feeding sheets of paper comprises the following steps: providing a stack of papers on a storage surface of a paper feeding device; providing a flow of air for separating an uppermost sheet of paper from the rest of the stack of papers; determining the vertical position of the uppermost sheet of paper; adjusting the flow of air in dependence on the determined vertical position of the uppermost sheet of paper; and repeating the steps of determining the vertical position of the uppermost sheet of paper and adjusting the flow of air in dependence on the determined vertical position of the uppermost sheet of paper. During continuous operation, the flow of air is controlled in cycles with one part of the cycle, preferably the first part of the cycle, with a higher flow of air, and one part of the cycle, preferably the second part of the cycle, with a lower flow of air. By imparting the uppermost sheet of paper a pulsating movement up and down, the problems associated with electrostatic charging are mitigated.
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