The above classification is approximate and depends on the type of barcode. The classification of graphic linear barcodes is shown in the table below: For example, for linear barcodes, the thinner the stroke, the higher the density (and therefore the less space the barcode takes). The graphics density of the barcode is connected with the barcode size. The less the number of bars and spaces required to encode one symbol the higher the information density of the barcode. The information density of a barcode depends on the character encoding. The smaller the value of X, the more characters can be encoded in an inch and, thus, the density rises. The information density is the number of characters that can be encoded per inch given a certain X value. A mil is used to specify the barcode density. There are two elements of density - the graphics density and information density of a barcode. For example, if the narrowest bar is 10 mils it is said that the barcode is printed with 10 mil resolution or that the density of the barcode is 10 mil. This parameter is connected with the printing resolution of a barcode and the barcode density. Module parameter ("Module", sometimes referred to as the "X dimension") indicates the narrowest bar of a barcode. Each type of barcode is defined using the following size parameters. Barcode sizes are very important if they are to read successfully by scanners. Secondly, the density of barcode code simpler connects with the resolution of print devices ability, which is usually expressed dots-per-inch (dpi). Firstly, it`s comfortable, because values are expressed in whole numbers. Don't forget to hit Apply before exiting Administration Console.The mil inch system is usually used to express the density of barcode code. By changing the dot size value from the new 1.7 setting to 2.5 (see above screenshot) after clicking the " Override default settings" checkbox, you should see the x-dimension preset return to 0.40 mm.ģ. The dot size of driver versions 2020.1 through 2022.1 is 1.7Ģ.In the 2019.2 version of the Epson driver, the dot size was 2.5.In the BarTender Administration Console, there is an option to override the default "dot size" settings. If the user would like the old set of x-dimension values available to them, there is a workaround for this. This is an improvement/correction of the driver. With the release of version 2020.1, we removed this feature. Modern inkjets (such as the Epson Colorworks C7500) have a much larger resolution (600圆00) and do not need to compensate for "ink spread" as the dots are much smaller. ![]() Because of this, there was a built-in margin of error to account for what we called "ink spread," which is the ink literally spreading on the paper making the printed dot larger than the resolution's defined dot size. Underlying Issueįor context, 20 years ago inkjet printers had a much lower resolution and therefore a larger dot size. EnvironmentĮpson printers with Seagull Printer drivers versions 2020.1 to 2022.1 installed. Specifically, they noticed that the x-dimension preset on their barcode is 0.42 mm when it used to be 0.40 mm. Some users have encountered an inconsistency in barcode size when updating their Epson Seagull printer driver from version 2019.2 and earlier to more current versions (2020.1 and above).
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