Iwert
That's interesting, but I have the following to add, perhaps in
clarification:
300ppi is really the best image resolution for an image file that you
wish to print; that is, if I have A4 paper I want to fill (for
instance), the image should show a size of around 280 x 195mm when
set to 300ppi. If I use less than that it might look poor in print.
But once I have pressed Cmd+P and set the print media, my printer
(1290) will not print at less than 720dpi (in the print dialog) with
certain printing surfaces. And if I use 720 instead of 1440 on some
surfaces the finish is "dotty". Ilford heavyweight glossy paper is a
case in point; I got it cheap and it didn't take long for me to find
out why.
I have learned 2 things from experience: if you have to increase the
dpi you're using the wrong printing surface/media; and use only the
best printing media. [I know, they're both the same ;-)]
Now your wife might be using professional standard machines, but I
have the setup for both my Epsons (old 750 and less old 1290)
suggests this procedure. Are you still saying that I am wasting ink
and that I should force my Epson to use 360dpi, whatever the media?
Chris
~~ >-)-
C M I Barker
Cambridgeshire, Great Britain.
+44 (0)7092 251126
www.threeshoes.co.uk
homepage.mac.com/zuiko
On 6 May 2006, at 10:57, iwert wrote:
> Interesting mythology!
>
> the resolution of a printer has nothing to do with the resolution
> required to print. Art books are printed at a max resolution of 450
> dpi, 300 dpi is perfectly suitable for good printing. 720 dpi is over
> the top, and 1440 is downright "stupid". It only extends printing
> times, rip times and consumes much processing power.
>
> write it somewhere clear:
>
> 300 dpi is the perfect printing resolution for high quality!
>
> just had to get this of my chest, my wife is in printing business
> and I
> learned it the hard way!
>
> One possible effect of images in a too high resolution (say 1440 dpi)
> is that they come out much darker than wanted, mostly it is just time
> consuming.
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