Abstract / scope
Cancels and replaces the second edition (1977). Specifies the shapes, dimensions and tolerances for the ten digits and four special symbols to be printed in magnetic ink and used für the purposes of character recognition. Describes the various types of printing defects and other printing considerations, together with the tolerances permitted, and also contains specifications for signal level measurement and references to Optical Character Recognition (OCR), a technology now often used in conjunction with E 13 B MICR reading.