OK, I had some time to fix it today and I have a solution.
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Get drivers from HP support website:
https://support.hp.com/us-en/drivers/samsung-xpress-sl-m2026-laser-printer-series/16462610 -
Extract file (just double click):
uld_V1.00.39_01.17.tar.gz
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Settings \ Printers \ ⋮ [View More] \ Printer Details \ Install PPD File… \ Select PPD File:
/uld/noarch/share/ppd/Samsung_M2020_Series.ppd -
In Terminal copy:
From directory copy: /samsungM2026/uld_V1.00.39_01.17/uld/x86_64/rastertospl
to: /usr/lib/cups/filter/
~$ sudo cp rastertospl /usr/lib/cups/filter/
- In Terminal install:
From directory istall: /uld_V1.00.39_01.17/uld/install-printer.sh
~$ sudo sh install-printer.sh