Epson ColorWorks C3400-LT Technical Reference Guide - Page 138

Application Specification to Develop This section describes specifications to develop printing application of this printer. Character Size to Print To avoid mistaking characters due to missing dots or ink smear, configure the character size setting for your application to a font with 2 or more (vertical) dot configuration (such as Arial 8pt or larger). Print Barcode / 2D Symbol Data on the Graphic Data When creating barcode / 2D symbol data as the graphic data on user's application, use the following input resolution. Paper type Print quality Input resolution (dpi) (Horizontal × vertical) Image resolution (dpi) (Horizontal × vertical) Plain Media Plain Media Label Speed Quality 180 × 180 360 × 360 360 × 180 360 × 360 Other paper Speed Quality 360 × 360 360 × 360 360 × 360 720 × 360 Whether paper feed is performed during 2D symbol printing can be checked using [Display Media Feed Position] - [Display Print Preview] in the Print Preview function. For this function, see "Print Preview" on page 94. When Extremely High Reliability and Safety are Required Epson recommends the following functions: • Missing dot detection with the auto nozzle check system of the printer driver. ("Post-Printing Verifica- tion Settings" on page 19) • Visual detection with the missing dot detection pattern created with the application. • Creation of a barcode with a check digit with application. 138