General Process For Barcode Analysis - Printronix ThermaLine T5000r User Manual

General Process For Barcode Analysis

The following flow chart is an overview of how the validator
performs the barcode analysis.
Reflectance Minimum <=
Threshold percentage of Reflectance
Maximum
Symbol Contrast >= Symbol Contrast
Threshold
Grading Scale:
A: >= 70 %
B: >= 55 %
C: >= 40 %
D: >= 20 %
F: < 20 %
Defects <= Defects Threshold
Grading Scale:
A: <= 15 %
B: <= 20 %
C: <= 25 %
D: <= 30 %
F: > 30 %
Percent Decode >= Percent Decode
Threshold
Figure 19. Barcode Analysis Flowchart
General Process For Barcode Analysis
Edge Determination
Min. Edge Contrast (worst pair) >=
Min. Edge Contrast Threshold
Modulation >= Modulation Threshold
Grading Scale:
A: >= 70 %
B: >= 60 %
C: >= 50 %
D: >= 40 %
F: < 40 %
Decodeability >= Decodeability
Grading Scale:
A: >= 62 %
B: >= 50 %
C: >= 37 %
D: >= 25 %
F: < 25 %
Overall Grade >= Overall Grade
Grading Scale:
A: 3.5 to 4.0
B: 2.5 to 3.4
C: 1.5 to 2.4
D: 0.5 to 1.4
F: 0.0 to 0.4
Threshold
Threshold
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