[henryka]

By default, the Ghostscript bundled with PDF24 doesn’t create system-wide registry keys—PDF24 just uses its internal copy. If you need the registry entry for other software, install Ghostscript separately from the official site; that installer will add the proper keys under HKLM\SOFTWARE\GPL Ghostscript\....

[henryka]

PDF24’s Force OCR option currently doesn’t replace or re-recognize existing text layers — it only adds OCR if none is found. To improve your file:

First, remove the old text layer (e.g. print to image-PDF, or use tools like Ghostscript/PDF-XChange to rasterize).

Then run OCR in PDF24 again — this time it will process the clean image and generate a new text layer.

That way, you bypass the scanner’s poor OCR and let PDF24 handle recognition from scratch.

[henryka]

You can’t save directly through Format Properties — PDF24 Creator resets to its defaults. Instead, create a new printer profile via Settings → PDF Printer → Profiles, then edit it, choose PDF/X-3 in the toolbox, and save. Don’t just modify the default profile. This way, the X-3 setting will persist.

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