> Pritner resolution in dpi is different than, and can't really be related
to, image resolution in ppi.  Yes, an Epson printer can lay down 720 or more
dots per inch, but multiple dots of various colors and sizes are used to
represent one pixel, so the number of pixels per inch is significantly lower
than the dpi rating.

You are correct. It has to do with the way printers halftone photographs and
not so much their resolution, although their resolution is a factor in how
fine of a line screen a printer can print, or how small of a dot the printer
makes in the case of stochasic screening which is what inkjet printers use.

>I've spent a lot of time looking into this, and without a magnifying glass
I defy anyone to tell the difference between a print resolution of 240 and
300 ppi (on an Epson photo printer).

You won't find anyone that can find a "significant" difference between those
two resolutions.

Mike

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