what causes unscannable bar codes how do i know if my bar codes have a problem? what pitfalls and...
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What Causes Unscannable What Causes Unscannable Bar CodesBar Codes
How do I know if my bar codes have a How do I know if my bar codes have a problem?problem?
What Pitfalls and Mistakes should I Avoid?What Pitfalls and Mistakes should I Avoid?
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Unscannable Bar Code CategoriesUnscannable Bar Code Categories
I.I. Visual CluesVisual CluesI.I. Application – Physical Placement of the label or Application – Physical Placement of the label or
printed codeprinted codeII.II. Packaging – Finished Product to CustomerPackaging – Finished Product to Customer
II.II. Non-Visual CluesNon-Visual CluesI.I. Bar Code Characteristics – Dimensions and SizesBar Code Characteristics – Dimensions and SizesII.II. Bar Code Standards – Symbology or Structure Bar Code Standards – Symbology or Structure
GuidelinesGuidelinesIII.III. Measurement Tools – Measurements for QualityMeasurement Tools – Measurements for Quality
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Visual and Non-Visual AttributesVisual and Non-Visual AttributesNON-VISUALNON-VISUAL
Print Quality – ANSI/ISO Standards Encoded Numeric Data Symbology Structure Ink Gain Check Digit Encoded Reflectance Bar Width Ratio
VISUALVISUAL Print Quality Human Readable Text
& Font Sizes Labeling Applications Package/Product
Infringements Bar Code Color
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Common Visual Clues Common Visual Clues APPLICATION
Print Head Failures Wrinkles & Folds Creases & Crinkled Corner Wrapped Carton Clamshell Flaps Laminates Perforations Off Centered Printing
PACKAGING Background Patterns Wrong Substrate Blisters & Bubbles Embossing Over-LabelingHeat Stress/ShrinkAbrasions Tape
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Number One Visual ClueNumber One Visual Clue
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PRINT HEAD BURN OUT
Number Two Visual ClueNumber Two Visual Clue
QUIET ZONES TOO SMALL
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Number Three Visual ClueNumber Three Visual Clue
PRINTED QUALITYOverprinted Or Under-Printed
Too Much or Too Little Ink
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Number Four Visual ClueNumber Four Visual Clue
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WRONG CHECK DIGIT
DATA INTEGRITY
Number Four Visual Clue #2Number Four Visual Clue #2
DATA INTEGRITY
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WRONG NUMBERS APPLIED
16 DIGITS INSTEAD OF 14
Bad Check Digit
12 DIGITS INSTEAD OF 14
Number Five Visual ClueNumber Five Visual Clue
LABEL PLACEMENT
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Number Six Visual ClueNumber Six Visual Clue
PACKAGING
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Number Seven Visual ClueNumber Seven Visual Clue
BAD LABELING
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Number Eight Visual ClueNumber Eight Visual Clue
WRONG SIZES/DIMENSIONS
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HUMAN READABLE TEXT’S FONT SIZE IS LARGER THAN THE SYMBOLOGY
Number Nine Visual ClueNumber Nine Visual Clue
INCORRECT COLOR
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RED DOES NOT SCAN
Number Ten Visual ClueNumber Ten Visual Clue
TRUNCATION
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0 0 1 2 3 4 5 6 7 8 9 5 0 01234 56789 5
Non-visual Issues must be MeasuredNon-visual Issues must be MeasuredTest - Test - TestTest - Test - Test
Use the right equipment to “grade” your bar code’s Use the right equipment to “grade” your bar code’s quality and symbol to ANSI/ISO specificationsquality and symbol to ANSI/ISO specifications
©2005 Ace Hardware Corporation. All Rights Reserved.
Verification Tests CheckVerification Tests Check
SYMBOLOGY - CORRECT STRUCTURESYMBOLOGY - CORRECT STRUCTURE QUIET ZONESQUIET ZONES DECODABILITYDECODABILITY CONTRASTCONTRAST INK GAIN [Bar Width Reduction (BWR)]INK GAIN [Bar Width Reduction (BWR)] REFLECTANCEREFLECTANCE MAGNIFICATION VALUEMAGNIFICATION VALUE CHECK DIGITCHECK DIGIT WIDE TO NARROW BAR RATIOWIDE TO NARROW BAR RATIO DATA FORMATDATA FORMAT
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Verification Tests CheckVerification Tests Check
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EDUCATION AND ASSISTANCEEDUCATION AND ASSISTANCE
GS1 – European Countries GS1 – European Countries (formerly EAN International)(formerly EAN International)
GS 1 US - North America GS 1 US - North America (formerly Uniform Code Council, (formerly Uniform Code Council, Inc.)Inc.)
1SYNC - 1SYNC - subsidiary of GS1 USsubsidiary of GS1 US (formerly UCCNet, Inc.)(formerly UCCNet, Inc.)
AHMA - AHMA - AMERICAN HARDWARE MANUFACTURERS ASSOCIATIONAMERICAN HARDWARE MANUFACTURERS ASSOCIATION
Professional Solution Providers Professional Solution Providers Certified by GS1Certified by GS1
Ace Hardware Bar Code TeamAce Hardware Bar Code Team