Barcode Problems - Tesco Value Dishcloths

This EAN 13 barcode has been printed by flexography (flexo) - and there are tell-tale artifacts of flexo printing near the printed edges of the printed image which result in a barcode that does not meet the standard. In this case, a large magnigfication of barcode may have improved the quality. Remember, the higer the magnification, the more tolerance in the barcode.

REA Scancheck 3
Barcode verification reports
created with REA Scancheck 3
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Isis Integration Ltd 6 Cantelupe Mews, Cantelupe Road East Grinstead, RH19 3BG
Barcode Problem EAN-13
Operator: SC3 User
         
Aperture: 6 mil, 0.15 mm
Wavelength: Laser 670 nm
Unit: Micrometer [µm]
Date: 7/21/2008 3:11:49PM
Device: REA ScanCheck 3 (V1.0.9.11)
Serial Number: 0030.207.105-03096-8
Symbology: EAN-13
Code Content: 5013873439780
         
User comment:
Tesco Vale 3 Dishcloths  
GS1 Business comment:
 
Flexo printed at too small a magnification for the process.
Bars overprinted causing ghosting of bars.
Bars edges not seen correctly therefore giving a low Defect grade.
 
Evaluation:ISO/IEC 15416, ISO/IEC 15420
 
Measurements: 3 Measurements of 3  
Symbol: Fail 0.0/06/670  
List of errors:  
01) Error Edge determination
02) Error Defects too large, actual: 33%, Max Value: 25%
03) Warning Bar too narrow, actual: -220%, Min Value: -100%
04) Warning Space too small, actual: -105%, Min Value: -100%
05) Warning Space too large, actual: 155%, Max Value: 100%
06) Warning E-Value too small, actual: -180%, Min Value: -100%
07) Warning E-Value too large, actual: 195%, Max Value: 100%
08) Warning P-Value too large, actual: 165%, Max Value: 100%
 
Selected Grade 2 (1.5)        
Overall symbol grade 0.0        
           
Scan: 1 2 3 [Average]  
           
Decode: 0 4 4 [2.6]  
Edge Contrast: 4 4 4 [4.0 (42%)]  
Symbol Contrast: 4 4 4 [4.0 (75%)]  
Modulation 2 2 2 [2.0 (56%)]  
Rmin/Rmax: 4 4 4 [4.0 (4%)]  
Defects 0 0 0 [0.0 (33%)]  
Decodability 2 1 2 [1.6 (40%)]  
OPTIONAL PARAMETERS          
           
Z-Module 4 4 4 [4.0 (302)]  
           
SRP grade 0 0 0    
Overall symbol grade       0.0  
Bar Devition -11% -12% -16% [-13%]  
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