How to install scanner brother dcp-7030 on ubuntu

When I try to follow the instructions here: Scanner driver 64bit (deb package)

I get this error when I run this command in 3:

dpkg -i --force-all   brscan3-0.2.13-1.amd64.deb

Error:

error: required read/write access to the dpkg database directory /var/lib/dpkg

How do I resolve this issue? This is fresh install of Ubuntu 20.04 I think. I have no idea what this means and I am a linux newbie. All I need is a button on desktop to scan a document from the scanner, which is Brother dcp-7030.


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Author Of this post: visor
Title Of post: How to install scanner brother dcp-7030 on ubuntu
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