Scanner not detected?

why , zorin default scanner is not detecting scanner
but epson application detected.
i have printer "not scanner" but this printer is both printer and scanner.
is there any option to scan file with Document scanner?
or have to use "epson scanner application"?

what does sudo sane-find-scanner yield?

also i have installed printer & and scanner driver
epson-inkjet-printer-escpr_1.7.9-1lsb3.2_amd64.deb
and
epsonscan2-bundle-6.6.2.2.x86_64.deb.tar.gz

Please remind me: Z15.3 or Z16?

z16 beta

but as i remember , in z15.3 , same result was there

Ok, this may be this bug, then.
https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1728012

That should, however, have been patched by 19.10 and Z 16 is based on 20.04
What is the output of:

dpkg-query -W libsane1 libsane-common sane-utils

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milesdredd@milesdredd-hp-notebook:~$ dpkg-query -W libsane1 libsane-common sane-utils
libsane-common 1.0.29-0ubuntu5.2
libsane1
sane-utils 1.0.29-0ubuntu5.2
milesdredd@milesdredd-hp-notebook:~$

Try

sudo apt install -y libsane1

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yuuppp, it works ,
THANK YOU

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