Ten Steps to Bar Code Implementation

Step 1: Get a GS1 Company Prefix

The first step if the company plans to use the barcode on a product is to determine the identification number that will be incorporated into the barcode, the numbers are called GS1 identification keys system.

GS1 identification key system obtained by applying to GS1 Indonesia. As a member of GS1 Indonesia, the company will obtain a GS1 Company Prefix that will be used as the basis for uniquely identifying the path to supply chain and GS1 System currently used by more than 1 million businesses worldwide.

For registration of a member, contact Membership & Business Development GS1 Indonesia (contact person: Hany Rizana & Priyani, EXT. 104).

Step 2: Provision No.

After receiving a number GS1 Company Prefix, a company is ready to begin providing identification numbers to the trade item (product or service), Location, Unit Logistics, Asset Company (individual assets and returnable asset), service relationships, and other special use.

The process is easy and can learn how to format each number. GS1 Company Prefix Use the number (country code and a combination of company code) combined with a reference item number / product code specified by the company. GS1 Indonesia provides training facilities to members of the GS1 system and the public.

For information about training and the application can call the GS1 System Industrial Services & IT GS1 Indonesia (contact person: Ir. Sri Suhartati, Dani Yusdiar ST., EXT. 114)

Step 3: Select a Bar Code Printing Company

The initial step, we must decide what will be in the barcode and the barcode will include whether static or dynamic information inside. Examples of static information is simply a product identification using the GTIN on the product packaging. Examples of dynamic information will normally be printed on a label serial number on the label such as logistics units.

If the barcode only contains static information and the required number of labels that we can ask the printing company to print the label and if we only need a small amount of label in or want to print labels with dynamic information so that we need is on-demand printer like a laser printer or thermal transfer printer.

In planning the implementation of the barcode that is by knowing how the barcode will be printed.

Consideration of the Printing Process

The most recent major consideration for symbol size is the capacity of the selected printing process. Minimum size (magnification) and Bar Width Reduction (BWR) is appropriate for a symbol varies by printing process. Printing company to know the minimum symbol size (magnification) and BWR to generate barcode with acceptable quality.

GS1 Indonesia can help members to make the film master GS1 barcode standards, the master film used to print bar codes on packaging.

More information about the film master, contact Industrial Services & IT GS1 Indonesia (contact person: Koharudin, EXT. 108)

Step 4: Select the "Environment for Reading / Scanning"

Specifications for barcode type, size, placement and quality all depend on where the reading of barcodes will be done.

Four basic scope readings / scenarios for trade items:

A. Product package scanned at the retail point of sale (POS)

2. Product package scanned at the general distribution

3. Product package scanned at POS but also scanned in distribution.

4. Special environments such as the marking of medical devices.

By knowing where the barcode will be scanned you can create exact specifications when the barcode is being produced. For example, if a product package is scanned at Point of Sale (POS) and general distribution, then we must use the EAN / UPC to accommodate POS but print it in a larger size to accommodate the reading of the scanner in the distribution / warehouse and make sure the placement meets readings are automatically provided.

Step 5: Selection Type Bar Code symbology

Choosing the right type of barcode symbology is very important in determining the success of the implementation plan barcode, below are some tips that we can make reference;

- If the trade item barcode will be scanned at the retail point of sale, we have to use the EAN / UPC (UPC-A, UPC-E, GS1-8, GS1-13)

- If you print a bar code with variable information like serial number, expiration date or size, then use GS1-128, GS1 DataBar (RSS), or in special cases Composite Component or GS1 Data Matrix symbol.

- If you want to print a barcode that only contains the corrugated carton GTIN number / outer box, then choose from the ITF-14 symbols.

Step 6: Size of Bar Code

Having determined the appropriate bar code symbol and combined with the information to be encoded into it, then began the design phase. The size of the symbols in the design depends on the type of the selected symbol, which symbols are used, and how the symbol will be printed and no less important is the room / space available on the packaging for the placement of the bar code.

EAN / UPC

EAN / UPC Symbols differ from ITF-14 and GS1-128 for EAN / UPC is scanned at the retail use omni-directional scanner. EAN / UPC have fixed size between the height and width of the symbol. If you want to change one another in size then the size must be changed proportionally. Nominal size of the height and width allowed is 80% to 200%. Below are some examples of the size of EAN-13 barcode.

EAN / UPC Magnification

Minimum (80%)

29.83mm x 20.73mm

Nominal (100%)

37.29mm x 25.91mm

Reduce the size EAN / UPC is required on packaging design, cutting the size of the existing height or called truncation, is not permitted within the symbology specification EAN / UPC and should be avoided because it would result in adverse effects on scan rates for retail omni-directional scanners. When EAN / UPC is used in logistics (shipping and distribution) and also at Point of Sale (POS), which allowed magnification ranging from 150% to 200%, for example, the symbol on a carton used for large appliances (eg TV or microwave oven) .

Symbol ITF-14 and GS1-128

Symbol ITF-14 and GS1-128 also has a predetermined size range. ITF-14 symbol size and GS1-128 is often determined by the width of the X-Dimension instead of magnification. GS1-128 size varies depending on the amount of additional information that will be incorporated into barcodenya but a maximum of 48 characters.

Nominal size of the ITF-14 symbol (100%): 142.75 mm x 32 mm

(Without the Bearer Bar)

GS1-128

Step 7: Format Text Bar Code

Text under the bar code is critical because if the bar code is damaged or of low quality, then the text is used as a back-up.

To answer questions about text formatting on the bar code symbol, please see the following Frequently Asked Questions;

Is the Human Readable Interpretation need to have a certain size?

OCR-B font was originally specified for use with EAN / UPC, but sepesifikasi GS1 System now allows any letter along with the letters be clear and legible.

Is the Human Readable Interpretation need to be placed above or below?

Depending on the symbol that we use. For EAN / UPC symbol printed text below. Text symbols and ITF-14 GS1-128 can be printed above or below the symbol.

Are the brackets (parentheses) in the Application Identifiers (AI) in GS1-128 should always be used and whether the brackets are encoded into the barcode symbol?

The whole AI should be included in parentheses in the Human Readable Interpretation, but the parentheses are not encoded in the symbol.

How many digits to be printed under the EAN / UPC in the Human Readable text?

* Under the UPC-A symbol we have to print 12 digits, without exception, no more no less.

* Under the EAN-13 symbols we have to print 13 digits, without exception, no more no less.

* Under the EAN-8 we have to print eight digits, without exception, no more no less.

Step 8: Selecting a Color Bar Code

The optimum color combination for a bar code symbol is black and white to the line for the background (space and quiet zones). If you want to use other colors, the following may be helpful in selecting the desired color:

* GS1 barcode symbols require dark colors for bars (eg black, dark blue, dark brown or dark green).

* The bars should always consist of a single color and should never be printed by multiple imaging tools (eg, plate, screen, cylinder).

* GS1 bar code symbols need a light to space and quiet zones (eg white).

* If we use multiple layers of ink to increase the background opacity, each layer should be printed in a solid.

* If we use a fine screen to deliver ink to the substrate, make sure there are no gaps in the process caused by the screen printing is not quite filled in it.

Once again, to stay with black lines and white space, we have chosen the optimum combination, but that does not mean other color combinations can not be used. Consult with an experienced printing company.

Step 9: Placement of Bar Code

The placement of the symbol should have been planned on a design the packaging and packaging processes should also be considered. Consult with staff from the packaging to make sure the symbol will not be blurry or damaged (eg, placed on the carton, under the folds of cardboard, under closed containers or closed by other levels of packaging).

Having determined the location of the placement, consult with a printing company for a number of printing processes require bar codes must be printed with a special orientation to him according to the web or sheet.

If possible, when using flexographic printing, the line should run parallel to the direction of web pressure or picket fence orientation. If a line perpendicular to the direction it takes the pressure or ladder orientation, avoid distortion circle symbol on the plate roll.

When using the silk screen or rotogravure printing, the symbol should be straight parallel with cell structure on a screen or gravure plate cylinder to obtain the outline of the most delicate possible.

Step 10: Knowing the Quality of Bar Code

Standard ISO / IEC 15 416 Bar Code Print Quality Test Specifications for linear symbology is a method used by GS1 in calculating the quality bar code symbols after the bar code is printed. Barcode verification is very important, although the product is not for export purposes.

Verification can be avoided with the losses caused by typographical errors and failure to read the barcode scanner devices are not standardized so that the purpose of automation itself is not achieved, especially at Point of Sale (POS) in retail.

In addition, to ensure that these numbers are encoded in the product represented by the barcode correctly. The verification process carried out before the bar code printed on the packaging in bulk.

Ten Steps to Bar Code Implementation

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