Glossary – Datamax-O'Neil A-Class Mark II Operator’s Manual User Manual
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A-Class Mark II
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Glossary
alphanumeric Consisting of alphabetic, numeric, punctuation and other symbols.
backing material The silicon-coated paper carrier material to which labels with adhesive backing
are affixed. Also referred to as “liner”.
bar code A representation of alphanumeric information in a pattern of machine-readable marks.
The basic categories are divided into one-dimensional (UPC, Code 39, Postnet, etc.) and two-
dimensional bar codes (Data Matrix, MaxiCode, PDF417, etc.).
boot loader The resident program that loads the application from Flash memory, decompresses it
into the SRAM, and starts operations.
burn line The row of thermal elements in the printhead that create the images on the media.
calibration The process through which sensor readings are entered into the printer for correct
sensor function (for example, detection of a given media type) and TOF positioning.
CCA Circuit Card Assembly.
CSI (Coated Side In) Ribbon rolled with the inked coating facing inward.
CSO (Coated Side Out) Ribbon rolled with the inked coating facing outward.
character set The entire complement of alphanumeric symbols contained in a given font.
checksum An alphanumeric error detection method used in many bar code symbologies for
informational security.
continuous media An uninterrupted roll or box of label or tag stock media that contains no gap,
notch, or mark to separate individual labels or tags.
core diameter The inside diameter measurement of the cardboard core at the center of a ribbon.
defaults The functional setting values returned following a factory reset of the printer.
diagnostics Programs used to locate and diagnose hardware problems.
die-cut media Media that has been cut into a pattern using a press, where the excess paper is
removed leaving individual labels, with gaps between them, attached to a backing material.
direct thermal The printing method that uses a heat sensitive media and only the heat of the
thermal printhead to create an image on the label.
direct thermal media Media coated with chemicals that react and darken with the application of
heat.
DPI (dots per inch) A measurement of resolution, rated in the number of thermal elements
contained in one inch of the printhead.