----- Original Message -----
Sent: Saturday, March 31, 2001 4:39
AM
Subject: filmscanners: Re: LPI for
EPSON . Rob, Jon, Austin
_________________________________________________________
Troubleshooting Tip #0216
Scanner
resolution for printing
The Line Screen Frequency for EPSON Stylus
printers can be calculated using the following formula:
Printing
Resolution
1
________________ X ____ =
Line Screen
Frequency
3
2
You should set the MINIMUM scan
resolution at 1/3rd of the desired print resolution. For example, for a
print resolution of 720dpi, you will need to set the scan resolution to
240dpi or higher. If you are going to increase the size of the printed image
then you should scan at a higher dpi resolution.
______________________________
Thank you Austin, Jon, Rob
for the information.
I have been looking for this
since 3 years ago when I bought my first 750.
BTW ... 1440/3 * 1/2 = 240
!!!!!!!!!!!!! ... why ?
from their
calculations should be 720/3=240 . * 1/2 = 120 ... and they say 240
!!!
Where it is the trick in the
calculations ?
Empirically I have used
(lacking this information despite my requests to EPSON) 320 dpi to achieve
near photography quality with my 750 on A4 glossy paper.
Was I over-shooting or
somehow wrong ?
Sincerely.
Ezio
