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Can anyone explain that when I scan an image in Twain, at 266 "dpi"(as Twain calls it), it is a Photoshop 266 "ppi" image(pixels per inch).
Whatever I scan it at, say 600dpi, that is 600ppi in Photoshop image size.
What is the difference?
The scanner presumably scans in lines? or points?
Anyway, when I then go to print, the Epson printer is in dpi, and I usually print at 720dpi, on photo paper, with good results.
What is the relationship between Twain dpi, P.S. ppi, and ink jet printer dpi?
If I change my image in Photoshop to, say 100 ppi, then the printed image is no good obviously, so changing the ppi changes the print quality, so what is the optimum(smallest file, best results) ppi for printing to an ink-jet printer?
Signed….Confused.:-(
Whatever I scan it at, say 600dpi, that is 600ppi in Photoshop image size.
What is the difference?
The scanner presumably scans in lines? or points?
Anyway, when I then go to print, the Epson printer is in dpi, and I usually print at 720dpi, on photo paper, with good results.
What is the relationship between Twain dpi, P.S. ppi, and ink jet printer dpi?
If I change my image in Photoshop to, say 100 ppi, then the printed image is no good obviously, so changing the ppi changes the print quality, so what is the optimum(smallest file, best results) ppi for printing to an ink-jet printer?
Signed….Confused.:-(
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