Digital BW, The Print

Roy

Thank you for your support.

I'm sure that I'm doing 720 dpi.

Let me tell you my workflow. I use an Epson 2200, Enhanced Matte and letter
size paper.

(1) I load a 16 bit color picture on Photoshop. Convert it to B&H using the
Channel Mixer and save the file again still as a 16 bitt TIFF file. I
usually do not convert to grayscale and would like to know it that's
mandatory with QTR.

(2) Load Qimage, place the file on the page, make annotations and frames,
and print the picture to a file. That creates a new TIFF file for me. When I
print to a file I can specify the dpi and the size. I'm testing only 360 and
720. Will try 540 ppi and see what happens.

(3) I usually don’t do this for color work, but now that's I'm trying QTR I
open the NEW tiff file in Phothosop to see if everything is ok. And the
program show me the size and ppi information correct. 

Problems I've found:

A - I can't send a picture larger than the letter size paper can handle. The
RIP can't resize the picture to the maximum size allowed. The RIP has the
information of the paper size I'm using. It should be able to tell me "my
friend, you're trying to print something that is too big" or, at least,
resize the picture for me.

B - I can't send a picture with 8.5x11 inches to the printer. I have to
consider the margin in my calculations. Something like 1/8 of an inch on
each side. I guess A and B are the same problem.

C - I can't print 8x10 with 720 ppi. Other were able to print it, but I'd
like to know it they were using letter size paper.

D - I CAN print 8x10 with 360 ppi just fine.

I'll try 7x9 720 dpi next and see if it goes.

Again, thank you for your support and congratulations.

Nelson

> -----Original Message-----
> From: Roy Harrington [mailto:roy@...] 
> Sent: sábado, 7 de agosto de 2004 23:27
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: [Digital BW] PPI for QuadToneRIP for Windows XP
> 
> 
> 
> I pretty much agree that you probably hard pressed to see the 
> difference
> of 360ppi versus 720ppi or more.  But its probably image dependent and
> viewer dependent.  My usually method is to just print at 
> whatever I have
> unless its drastically too high or too low.  
> 
> I've done a little checking of the code and I'll probably be 
> able to fix it=
> 
>  so
> it'll most likely be a moot point.
> But I'm a little surprised that exactly 720 doesn't work.  It 
> is possible t=
> 
> hat
> you are slightly over like 720.10?   
> 
> Roy
> 
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Nelson 
> Ricciardi" 
> <nelson_@r...> wrote:
> > Richard,
> > 
> > What you say is correct. For most uses, 360 ppi is just perfect.
> > 
> > Anyway, I was told that the native resolution of the 
> 2100/2200 is 720 ppi=
> 
> ..
> > And for the 7600/9600, the native res is 360 ppi.
> > 
> > I´m just trying to get the best quality I can out of my 
> printer> I always=
> 
> 
> > believed that the right way to do was to send the file in 
> the final res,
> > ready to print. 
> > 
> > Michael Tapes, designer of Qimage, belongs to the group of 
> people that
> > believe the best approach is to send the file in the native 
> resolution. T=
> 
> hat
> > is the only reason I use this approach. 
> > 
> > I never did any test myself. I was just following a recipe 
> that seems to
> > work fine.
> > 
> > But your points are all valid.
> > 
> > Again, thank you for your input.
> > 
> > Nelson
> > 
> > -----Original Message-----
> > From: richard_h95050 [mailto:richardh@j...] 
> > Sent: sábado, 7 de agosto de 2004 22:04
> > To: DigitalBlackandWhiteThePrint@yahoogroups.com
> > Subject: [Digital BW] Re: Announcement: QuadToneRIP for Windows XP
> > 
> > 
> > Hi Nelson,
> > 
> > I just ran an 8X10 @ 360 ppi, and the tonal transitions are 
> still "smooth=
> 
>  as
> > a baby's bottom" -- I guess I can safely say that because 
> the print is a
> > studio shot of a newborn and mother, and that's the main 
> subject matter ;=
> 
> >)
> > 
> > Don't know what would happen over 8X10 or at 720 ppi, but 
> since my machin=
> 
> e
> > has a stack of letter-size EEM in it, that's what I'm 
> playing with. The o=
> 
> nly
> > other question I have is regarding the need for the 720 ppi 
> setting, and
> > it's purely a theoretical question:
> > 
> > I haven't tested 720 PPI with QTR to see if it causes any 
> problems for me=
> 
> ,
> > but I also haven't found any reason to go to the higher res 
> for my own wo=
> 
> rk
> > (admittedly a subjective choice). I'm also running other 
> RIPs; Imageprint=
> 
>  on
> > my 9600, PiezoBW/Pro or Imageprint/Quad drivers on my 7000 
> and Paul Roark=
> 
> 's
> > UT-2 (both EZ and w/curves) on my 1280. All are fed at 360 
> ppi, and the
> > output pleases my eye. 
> > 
> > John Cone used to suggest pushing as much resolution down 
> the pipe as
> > possible, but others present some interesting counterpoints 
> about just ho=
> 
> w
> > much of that information actually impacts the print, 
> depending on how the=
> 
> 
> > RIP and/or driver handles the data, etc. -- and they're all 
> a bit differe=
> 
> nt.
> > Roy would be able to answer that for us about QTR, I'm 
> sure, and you as a=
> 
> n
> > artist are the best judge of your own results.
> > 
> > Speaking subjectively, I've can't pragmatically 
> differentiate between pri=
> 
> nts
> > made using the additional ppi, and some of the RIP makers 
> even suggest
> > letting their software do the work and not adding to the file size
> > unnecessarily. However, those are some of the ongoing technical
> > conversations that cycle continuously through the forums, 
> and I'm not try=
> 
> ing
> > to rekindle that flame (pun intended). The bottom line to me is
> > -- "be happy, make your clients happy and make beautiful prints". 
> > 
> > Hope you get everything tweaked to meet your own personal 
> workflow. It wo=
> 
> uld
> > be interesting to know if the difference in ppi is really 
> evident in your=
> 
> 
> > prints -- I'm always interesting in taking a second look at 
> things and
> > questioning my own assumptions... ;>)
> > 
> > Most of all, thanks to Roy for all his hard work, endless 
> generousity, an=
> 
> d
> > giving us all an exciting reason to be even having these dialogs!
> > 
> > Kind regards,
> > Richard
> > 
> > 
> 
> 
> 
> 
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