-- note: color conversions in Acrobat Prof are somewhat basic, that is one does not have as much control as with the Source Authoring Applications or DLPs in color servers
-- the best way to convert colors with a PDF is with an Acrobat plug-in ($600), which supports using custom DLPs [Device Link Profiles] that can control all aspects of color conversions including CMYK>CMYK-- this question concerns RGB>CMYK within Acrobat Prof & maintaining RGB 0/0/0 as K100 (this would include text & Drop Shadows & all RGB 0/0/0 elements in the Source Document-- NOTE: Convert Colors can not be undone -- so first Copy the PDF document & run any color conversion on a Copy-- in Acrobat Prof v7 (& v8) > Tools > Print Production > Convert Colors tool / dialog-- in Convert Colors (see PDF "ConvertColors_2") > Document Colors [in this case the document is RGB so select "Device RGB"]-- then > Action > Convert-- then > Destination Space > Profile & from the drop down menu select the CMYK Output space you want such as US Web Coated (SWOP)v2-- then > Convert Pages [ select what you want ]-- then > Conversion Options -- embed color profile or not [ I would usually select "Embed Profile as OutputIntent" as I would want the next person in line to know what I am trying to do ]-- to preserve RGB 0/0/0 as K100 active the "Preserve Black Objects" checkbox
My favorite quote - "Success is the ability to go from one failure to another with no loss of enthusiasm.
-- note: color conversions in Acrobat Prof are somewhat basic, that is one does not have as much control as with the Source Authoring Applications or DLPs in color servers
-- the best way to convert colors with a PDF is with an Acrobat plug-in ($600), which supports using custom DLPs [Device Link Profiles] that can control all aspects of color conversions including CMYK>CMYK-- this question concerns RGB>CMYK within Acrobat Prof & maintaining RGB 0/0/0 as K100 (this would include text & Drop Shadows & all RGB 0/0/0 elements in the Source Document-- NOTE: Convert Colors can not be undone -- so first Copy the PDF document & run any color conversion on a Copy-- in Acrobat Prof v7 (& v8) > Tools > Print Production > Convert Colors tool / dialog-- in Convert Colors (see PDF "ConvertColors_2") > Document Colors [in this case the document is RGB so select "Device RGB"]-- then > Action > Convert-- then > Destination Space > Profile & from the drop down menu select the CMYK Output space you want such as US Web Coated (SWOP)v2-- then > Convert Pages [ select what you want ]-- then > Conversion Options -- embed color profile or not [ I would usually select "Embed Profile as OutputIntent" as I would want the next person in line to know what I am trying to do ]-- to preserve RGB 0/0/0 as K100 active the "Preserve Black Objects" checkbox
My favorite quote - "Success is the ability to go from one failure to another with no loss of enthusiasm.