Have you tried Fine Reader?
The one problem I can see is the green bars. You might try fiddling with GIMP
or Photoshop to make those go away.
paul
> On Dec 4, 2025, at 10:56 AM, Marc Howard <[email protected]> wrote:
>
> I've been trying for years to get usable scans of old computer listings.
> Look at the attached file. It was printed with a Diablo HyType and new
> ribbon. There are only 64 unique characters (6 bit character set) in the
> entire listing. Courier (non-proportional) font. And yet the OCRs are
> miserable, even ChatGPTs feeble effort.
>
> Marc