Pitney Bowes J693 Operator's Manual page 105

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 barcodes (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.
calibration The process through which sensor readings are entered into
the printer for correct sensor function (e.g., detection of a given
media) and TOF positioning.
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 or media roll.
cutter A mechanical device (e.g., rotary or guillotine) used to cut labels
or tags following printing.
defaults The functional setting values returned following a factory
reset of the printer.
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