What are the common causes of barcode reading problems with the Omni Reader?
a. Vertical position of the barcode on the card. The Omni Combo reader is designed for a barcode centered at 0.49″ from the bottom edge of the card. The Omni Sealed reader is designed for a barcode centered at 0.43″ from the bottom edge of the card. b. The reflection from the lamination. Use less reflective laminating material or try our Infra-red Omni Barcode Reader if the problem is caused by reflections c. Barcode printing quality Use barcode printer or laser printer instead of the Dot Matrix printer or Ink Jet printer to print the barcode d. The color of the barcode background. Use lighter background color, best performance is obtained with a black barcode printed on a white background. e. Masked back grounds, graphic back grounds, or security tape coverings on the barcode. Use the Infrared Omni Reader to avoid reading problems f. Barcode is positioned too close to one side of the card or there is another image near the start or end of the barcode. Leave at least 1/4″ space between
