The Ugra/FOGRA Digital Print Scale defines a test image consisting of seven function groups and a register scale for each of the process colors black, cyan, magenta and yellow.
The Ugra/FOGRA Digital Print Scale is processed and output at matched resolution on PostScript-compatible printers, image setters and electronic publishing systems.
The Ugra/FOGRA Digital Print Scale is particularly suitable for the quality control of digital printing systems.
The Ugra/FOGRA Digital Print Scale is an effective tool for characterizing the condition of digital output devices. It has a very broad range of potential applications, which users should try out individually according to their needs. Use and correct interpretation depend on the user's understanding of the digital processing system. Technical proficiency is a significant factor.
The following criteria can be viewed and assessed on the output test image:
• user and device specific information
• resolution
• directional resolution (vertical/horizontal)
• highlight and shadow rendering
• image setter or digital printer setting
• register deviations
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