Datamax E-Class Mark II Programmer's Manual page 328

DPL (Datamax-O'Neil Programming Language) programming commands used
specifically for control of and label production in Datamax-O'Neil printers.
fan-fold Media that is folded and stacked.
feed speed The rate at which the media moves under the print head in non-printed areas
or when the FEED Key is pressed.
Flash memory Non-volatile memory (does not require printer power to maintain data)
that can be erased and reprogrammed, used to hold the printer's operating program.
font A set of alphanumeric characters that share a particular typeface.
gap A space between die-cut or notched labels used to sense the top-of-form.
IPS (inches per second) Imperial measurement of printer speeds.
label A paper or synthetic printing material, typically with a pressure sensitive adhesive
backing.
label length The distance from the top of the label to the bottom of the label as it exits
the printer.
label repeat The distance from the top of one label to the top of the next label.
label tracking Excessive lateral (side to side) movement of the media as it travels under
the print head.
label width The left to right measurement of the label as it exits the printer.
media Generalized term for all types of printing stocks, including: roll fed, continuous,
butt-cut, die-cut, reflective, and fanfold.
media hub Device in the printer used to support roll media.
media sensor An electronic device equipped with photosensors to detect media and the
top-of-form on die-cut, notched or reflective media.
MMPS (millimeters per second) Metric measurement of printer speeds.
notched stock Media, typically tag stock, with holes or notches in the material that is
used to signal the top-of-form. The printer must be set to "gap" to use this media type.
perforation Small cuts extending through the backing and/or label material to facilitate
their separation. Also referred to as "perf".
preprinted media Label stock that contains borders, text, or graphics, floodcoating, etc.
present sensor An electronic sensor that provides a signal to the printer firmware that a
label is present, typically located beyond the print head, where the labels exits the
printer.
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Glossary
Class Series 2 Programmer's Manual