Appendix A— Specifications
82 3400, 3440, and 3600 Bar Code Label Printer User’s Manual
Supported 2D Stacked Symbologies
Note: 2D stacked symbologies are not available on the 3400A.
Symbology Description
Code 16K Introduced in 1988, Code 16K is an alphanumeric symbology similar
to Code 49 in that it employs multiple rows (from 2 to 16). Each row
is fixed length and uses a mirror image of the Code 128 coding
patterns.
Code 49 Code 49 is an alphanumeric symbology developed in 1987 as a means
of labeling very small objects. A Code 49 bar code contains from two
to eight adjacent rows, each separated by a one-module separator bar.
PDF417 PDF417 is a stacked 2D symbology that provides the ability to scan
across rows of code. Each row consists of start/stop characters, row
identifiers, and symbol characters (called “codewords”). Each
codeword consists of four bars and four spaces and contain the actual
data. In addition to being able to condense a large amount of
information into the stacked format, PDF417 provides an extensive
error detection and correction option. Up to 510 characters can be
recovered if they are lost due to an error in scanning or if the label is
damaged. PDF417 codes can be scanned with a laser scanner or
imaging device that features 2D code scanning capability.
Data Matrix Data Matrix is a 2D matrix symbology that is made up of square
modules arranged within a perimeter finder pattern. The finder pattern
is a perimeter to the data region and is one module wide. Two adjacent
sides are solid dark lines. These lines are used to define physical size,
orientation, and symbol distortion.
Maxicode Maxicode is a fixed-size symbology that is made up of offset rows of
hexagonal elements arranged around a bull’s eye finder pattern. Each
hexagon represents one bit of information and is either black or white
depending on the state of the encoded data bit. United Parcel Service
(UPS) Research and Development developed Maxicode for the specific
purpose of encoding information about a parcel.
This symbology only encodes very specific data that is divided into the
following fields: a 5-digit zip code, a 4-digit zip code extension, a 3-
digit country code, a 3-digit class of service, and a string of uppercase
letters, numbers, or limited punctuation marks.
QR Code QR (Quick Response) Code is a matrix 2D symbology that encodes
data into patterns consisting of black and white dots or modules. A
three-position detection pattern enables omni-directional reading and
ultra high-speed reading. QR Code can handle a wide range of data,
including numerical, alphabetical, Kanji, Hiragana, Katakana, graphics,
and control codes. A built-in error correction function enables the QR
Code to repair errors in the code.
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