[pics] SD10 vs. 20d sample

Started Feb 21, 2005 | Discussions thread
Juri D Regular Member • Posts: 428
you are both correct [partially]...

AMomcil wrote:

The printerdriver separates the input to CMYK (or more colours,
depending on printer) and produces rasterized data from that (a
frequency modulated pattern normally). It then sends the pattern
data to the printer. This has nothing to do with upscaling to
"native resolution" wich btw refers to the positioning accuracy of
the printheads. Printed resolution depends on the size of ink drops
and the raster algorythms used and is MUCH lower than advertized.

It does, of course, everything you said, but it does also something extra. By "native resolution" I mean the positioning accuracy of printhead. It is usually limited at 600-720dpi, even though you think you are printing 5600dpi. A good discussion of that is on Qimage website:


as well as on Printers Forum of DPREVIEW.

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