I think that we all agree on this CH. The resolution of the image
file at its printing size is not related directly to the density of
the printer's ink.
Chris
~~ >-)-
C M I Barker
Cambridgeshire, Great Britain.
+44 (0)7092 251126
www.threeshoes.co.uk
homepage.mac.com/zuiko
On 7 May 2006, at 18:10, C.H.Ling wrote:
> The ppi you called in the image has nothing to do with the dip of
> ink dot,
> you should always use highest dip in the printer driver to get the
> best
> result but an image ppi of 300 is good enough in most cases. A ppi
> in the
> image has to go through a very complex process to change it to the
> ink dot
> in the paper. Consider the ppi in image has 24 bit color each and
> you can
> only have 1 bit per each color on paper (either has one drop of ink
> or not).
> To get an idea of how it works you can try to convert a grey scale
> image to
> 1 bit B/W image in PS with diffusion dither, to get better quality
> you may
> want to increase the converting dip to 600.
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