Glossary
alphanumeric Indicating letters, numer- als, and characters such as punctuation marks.
backfeed Backfeed is when the printer pulls the media and ribbon (if used) backward into the printer so that the beginning of the label to be printed is properly positioned behind the print- head.
bar code A code by which alphanumeric characters can be represented by a series of adjacent stripes of different widths. Many different code schemes exist, such as the universal product code (UPC) or Code 39.
calibration (of a printer) A process in which the printer determines some basic information needed to print
accurately with a particular media/ ribbon combination.
character set The set of all letters, numerals, punctuation marks, and other characters that can be expressed by a particular barcode or font.
check digit A character added to a bar- code symbol that indicates to the scanner that it has read the symbol correctly.
continuous media Media that has no web (space between labels), notch, or gap to separate each label/tag, but rather the media is one long piece of material. This media is typically cut into labels of similar length.
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