Computers. a mechanism for aligning and transporting paper for a printer by means of pins that catch in perforations along the edges of the paper.
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computing the automatic movement of a continuous roll of edge-perforated paper through the platen of the printer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012