On Sat, 1 Nov 2003 22:38:34 -0500 (EST), John Francis wrote:

> My current HP is 600 dpi in normal mode, 1200 dpi in best quality.

A printer dot (in dpi) is not equal to an image pixel (in ppi).  A
printer dithers a pixel across many dots to get a good approximation of
the color of a pixel.  The HP printer is resampling the image to,
probably, 300 ppi, then dithering that into a 600 dpi or 1200 dpi
pattern.

TTYL, DougF KG4LMZ




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