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12/16/13 EPL Programming Guide 14245L-003 Rev. A
PDF 417 Symbol Geometry
Automatic PDF 417 Bar Code Generation
The printer automatically tests and changes the PDF 417 bar code geometry to maximize the
readability of the bar code for a given maximum
height and width, specified by p
4
and p
5
.
The printer tests the PDF 417 parameters in this order for a given data string (error correction
and compression included):
1. Module width p
10
(for codeword width)
2. Symbol width p
4
3. Symbol column maximum p
13
4. Module height p
11
5. Symbol height p
5
6. Symbol row maximum p
12
The printer will start with the maximum value (default or explicit) for these parameters. The
printer reduces these values to get the module width and height to maximize readability.
Columns
Maximum
Rows
Codewords Columns
Maximum
Rows
Codewords
590 90 1866924
6 90 180 19 61 915
7 90 270 20 58 928
8 90 360 21 54 918
9 90 450 22 51 918
10 90 540 23 48 912
11 90 630 24 46 920
12 90 720 25 44 924
13 90 810 26 42 924
14 90 900 27 40 920
15 84 924 28 38 912
16 77 924 29 37 925
17 71 923 30 35 910
18 66 924 31 34 918
19 61 915 32 33 924
20 58 928 33 32 928
21 54 918 34 30 900