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Chapter 4 Application Development Information
Application Development and Distribution for iOS
If your application enables communication with the printer using Bl uetooth or a Lightning-USB cable, Epson
must submit the application to Apple before you submit it to the App Store. Please apply for each application
you want to submit to the App Store from the URL below.
U www.epson-biz.com/ais/E/
Notes on Printing Barcodes and Two-Dimensional Symbols
• Ensure adequate space around the code; “quiet zone” that is required for the code.
• To print PDF417 (two-dimensional symbol), the following settings are recommended.
Module height: 3 to 5 times the module width
Vertical size of the symbol: approximately 5 mm {0.20"} or more
• The recognition rate of ladder bar codes and two-dimensional symbols may vary depending on widths of the
modules, print density, environmental temperature, type of paper, and characteristics of the reader. Make
sure to check the recognition rate beforehand to determine the settings and use conditions so that the restric-
tions of the reader are satisfied.
• Reading quality of multi-gradation bar codes and two-dimensional symbols is not guaranteed.
• When printing a ladder barcode or two-dimensional symbol that is created as a graphics data, set the print
speed to level 5.
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