OCR images without text becoming blurry by default

Newbie question here.
Personally..  I don't care about the PDF-filesizes.
I'd like ALL my PDF files to be in the highest possible quality, by default.
No matter whether they involve converted Office documents or JPG-files.
Must confess, I am a bit overwhelmed by the number of settings and am unsure :
- which ones can be set as default
- which ones should be set at each new task
- how to reset Acrobat to its defaults.
I know, it is slightly off-topic as far as "Scanning & OCR" is concerned.
I am posting here because I have this problem of images (screencaptures containing text) are getting blurry
once OCR is being performed.
Based on another post here I now know that I should use 'Searchable Image (Exact)" at the OCR settings.
This made me asking here what best (highest quality) settings I should use when converting other type of documents to PDF.
e.g. noticed a number of settings when converting to PDF
=
=
Use High Quality Print or Press Quality here?
at High Quality / Press Quality - > Edit -> Images I noticed downsampling, should I set this 'Off'
=
Surely appreciate recommendations.
Involves Acrobat XI
TIA
=

Hi,
Unless you use Acrobat 8 Pro's Formatted Text & Graphics" or Acrobat 9 Pro's ClearScan you will find that there is no
practicable means of editing the OCR "hidden text" in a PDF.
The TouchUp text tool (Advanced Editing toolbar) is reliant upon the selected text having an available system font to use during touchup. However, both Searchable Image and Searchable Image (Exact)  OCR output is of text rendering mode 3 (invisible text) that is provided from within Acrobat and not any installed system or other application installed font.
With Searchable Image (Exact) you have the untouched image augmented by the invisible text which is provided as a user aid for search or find with Adobe Reader or Acrobat. The invisible text is not intended to support word processor like editing.
To your questions:
#1. There is no practicable way to edit invisible text (text rendering mode 3) with Acrobat (any past or current release).
#2. None.
#3. A good question. Perhaps a specialty program. Keep in mind, many products provide a promise but those those that actually deliver tend to be expensive.
Something to play with. Using Acrobat 9 Pro or Pro Extended, try the Preflight Fixup to embed hidden text.
Then try using the TouchUp Text tool. You may also want to see if you can change the font type of this newly embedded font.
(use copies of the "real" files - just in case <g>).
Be well...

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