Digital BW, The Print

That's one small pixel for man, one large pixel for mankind.
Thanks again everyone for the help,
Mark

On Dec 19, 2004, at 1:37 PM, Ernst Dinkla wrote:

> Richard wrote:
>  >
>  >
>  > -----Original Message-----
>  > From: Ernst Dinkla [mailto:E.Dinkla@...]
>  > Sent: Sunday, December 19, 2004 2:07 PM
>  > To: DigitalBlackandWhiteThePrint@yahoogroups.com
>  > Subject: Re: [Digital BW] Re: Whites of their eyes
>  >
>  > The 9000s have a native resolution of 360. The 9600s have a
>  > native resolution of 720 max in some settings. The 9600 has a
>  > smaller minimum droplet size and droplet size variation so there
>  > is a hardware difference that could be the cause.
>  > --------------------------------
>  >
>  > That might well be the case and the cause, but how is it that this 
> condition
>  > has not yet been reported by others - many others with the same 
> piece of
>  > equipment.
>  >
>  > Richard
>
>  I didn't mean as a direct cause for what Mark is seeing but the
>  reason why drivers are different for both printers with the
>  possibility that something like this happens.
>
>  One pixel extra to shift the image enough to get rid of the
>  interpolation artifact in a round object at a certain place in
>  that image that happens to be an eye that catches the attention
>  of the viewer. It could be that for 360 images with the same
>  content but the eye at another place this artefact wouldn't show.
>  It may have happened enough times where it did go by unnoticed.
>  Mark used Imageprint on the 9000, its extrapolation can be
>  different to the Epson 9000 driver, can be different to the 9600
>  driver in that RIP, can be different to the Epson 9600 driver.
>  Part of the differences in the drivers is based on the hardware
>  differences of the printers, other differences are there because
>  newer and better algorithms are used in the 9600 driver. Very few
>  drivers and even RIPs get a renovation when new algorithms are
>  introduced for new printers, one is lucky when old printers get a
>  new driver for a new OS.
>
>  The one pixel shift is something to remember.
>
>  Ernst
>
>
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