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We need a minimum of 240 ppi for most print production. 300 ppi is often referred to because it's a nice round number, but the reality is for 150 lines per inch (mos ... See More
Scanners: SPI (samples per inch) or ppi (pixels per inch) PPI (pixels per inch) works for scanner input, but technically, spi is more accurate. For exam - ple, if yo ... See More