Need some education here please.
The circular part seem fairly straight forward to read and understand. How do I read and test this step wedge scale portion horizontally and vertically for test? SPI - Samples per inch?
Thank you, very practical device to measure vendors addressability when shopping around. Reading about vendors capabilities and proving it are always more reassuring when shopping. This can a good start also for identifying root causes.
I pulled this from one of his RIT papers Addressability Indicator. Sometimes output devices indicate a higher addressability than they mechanically produce. This target helps to determine true mechanical addressability.
MIGRATION-OPTIMIZED DIGITAL INK SYSTEMS FOR PACKAGING PRINTING
There is no such thing as a “one-size-fits-all” ink system that
suits all digital packaging applications—learn more here: Link To White Paper