PDF Export vs Distiller Resolution Issue

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i running cs2 under mac os 10.4.11.

i [acrobat] distilling ps file generated indesign file using "press quality" option.

the publication generating pdf prints @ 100 lpi. when submitted file, according prepress person resolution low.

the text in pdf looks fine suspect problem cmyk image. never had problem image since has printed fine before.

i went pdf file , did "touch image" tool option on cmyk image, resolution 127.406 @ 100 percent of size. lot lower should be. minimum resolution photo should fall around 200 dpi, no? trashed distiller preference files, re-saved tiff photo , re-imported indesign , distilled again , still came same results.

but when exported pdf directly indesign, pdf file fine , image comes out @ 300 dpi when checked photo acrobat's "touch image" tool.

it seems in general, exporting indesign produces chunkier file size needs be. that's why prefer using distiller.

any idea why distiller sampling photo way below needed resolution should (based on resolution needed 100 lpi)?

thanks.

use preflight tool in acrobat 8 professional attain exact
resolution in ppi (and not lpi) ..

adobe indesign uses same core adobe pdf engine - albeit in pure
fashion ... should differences providing use same options ...

there might other reasons why exported pdf larger since can
contain other data - maybe not suitable print ..
recommend using export since retains high fidelity of
original document ..

jon


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