On Mon, Dec 30, 2024 at 06:15:31PM +0000, Kleene, Steven (kleenesj) wrote:
> On December 7, 2024 4:21 PM, I wrote:
> 
> > If you are able, please recommend a black-and-white Postscript laser
> > printer that will work well with Debian (Bookworm). ...
> 
> With advice from the group, I bought a Brother DCP-L2640DW driverless 
> monochrome printer/scanner.  I run the fvwm window manager and can print with 
> lp and scan with xsane.  I never installed the Brother printer, scanner, or 
> BR-Script3 drivers.
> 
> So I'm mostly happy, but I can't say I really understand who's doing what.  
> Here are three questions.
> 
>
[...]
 
> 3. With xscan, the scan quality is good enough for most purposes.  But when I 
> tested some fine engraving (like a dollar bill), it was less sharp than I get 
> with my old Epson Perfection 2400 (from 2004).  In both cases I asked for 300 
> dpi and set JPG quality as high as possible.  The Brother at 600 dpi didn't 
> match the Epson at 300 dpi.  Would installing the Brother scanner driver be 
> an improvement, or is this just a limitation of the hardware?
> 

I hope you tried with something other than paper money. Usually all paper
currency have some pattern (like an irregular five of a dice) embedded.
Most imaging software won't allow to process these images (in high quality)

-H


-- 
Henning Follmann           | hfollm...@itcfollmann.com

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