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Re: Problem with Synaptic

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On Thu, Nov 11, 2021 at 12:38:33PM -0500, Stephen P. Molnar wrote:
> I am running buster on my Linux platform.
> 

Perhaps consider updating to Bullseye (Debian 11) as the latest stable
version. Printer driver support has been improved and many printers 
now run "driverless" and work out of the box.

> I have installed a new Brother Laser print using the current Brother Linux
> installer.
> 

If this is the Brother installer from Brother - a commercial product - we
probably can't help. Take it up with Brother? How did you download it - from
where - and how did you install it

> The printer is working, but when I try running Synaptic I get an error:
> 
> E: The package brscan4 needs to be reinstalled, but I can't find an archive
> for it.
> E: Internal error opening cache (1). Please report.
> 

That suggest that this wasn't a Debian package recognised by packaging
databases, maybe. 

> I tried Goggling but didn't find any solutions. Then I tried uninstalling
> the offending package and got an error:
> 
> comp@AbNormal:~/Downloads/Brother-MFC-L2710DW$ sudo ./uninstaller_brscan4
> [sudo] password for comp:
> dpkg: error processing package brscan4 (--purge):
>  package is in a very bad inconsistent state; you should
>  reinstall it before attempting a removal
> Errors were encountered while processing:
>  brscan4
> 

Not properly installed: you might 

apt-get --fix-install

If the worst is the worst, 

dpkg --configure -a 

might help. The last resort is forcibly deleting bits of package and manually
amending the package database which is somthing you _really_ don't want to do
unless absolutely unavoidable.

> That failed. Fin
ally,  I tried reinstalling with dpkg, which also failed.
> The complete log is attached.
> 
> At this point I am completely beyond my depth in even starting to understand
> the error messages, let alone solving it.
> 
> Help will be much appreciated.
> 
> Thanks in advance.
> 
> -- 
> Stephen P. Molnar, Ph.D.
> www.molecular-modeling.net
> 614.312.7528 (c)
> Skype:  smolnar1
> 

> comp@AbNormal:~/Downloads/Brother-MFC-L2710DW$ l
> total 544
> -rw-r--r-- 1 root root 109890 May  7  2021 brscan4-0.4.10-1.amd64.deb
> -rw-r--r-- 1 root root  71758 May  7  2021 brscan-skey-0.3.1-2.amd64.deb
> -rwxr-xr-- 1 comp comp 143001 Nov 10 07:28 linux-brprinter-installer-2.2.3-1
> -rw-r--r-- 1 root root  80536 Nov 11 07:25 mfcl2710dwpdrv-4.0.0-1a.i386.deb
> -rw-r--r-- 1 root root 122978 May  7  2021 mfcl2710dwpdrv-4.0.0-1.i386.deb
> -rw-r--r-- 1 comp comp   5907 Nov 11 07:26 run.installer.log
> -rwxr--r-- 1 root root     96 Nov 11 07:26 uninstaller_brscan4
> -rwxr--r-- 1 root root     43 Nov 11 07:26 uninstaller_brscan-skey
> -rwxr--r-- 1 root root   1177 Nov 11 07:26 uninstaller_MFCL2710DW
> comp@AbNormal:~/Downloads/Brother-MFC-L2710DW$ sudo ./uninstaller_brscan4
> [sudo] password for comp:
> dpkg: error processing package brscan4 (--purge):
>  package is in a very bad inconsistent state; you should
>  reinstall it before attempting a removal
> Errors were encountered while processing:
>  brscan4
> comp@AbNormal:~/Downloads/Brother-MFC-L2710DW$ sudo dpkg -i brscan4-0.4.10-1.amd64.deb
> Selecting previously unselected package brscan4.
> (Reading database ... 495753 files and directories currently installed.)
> Preparing to unpack brscan4-0.4.10-1.amd64.deb ...
> /var/lib/dpkg/info/brscan4.prerm: 3: /var/lib/dpkg/info/brscan4.prerm: /opt/brother/scanner/brscan4/setupSaneScan4: not found
> /var/lib/dpkg/info/brscan4.prerm: 4: /var/lib/dpkg/info/brscan4.prerm: /opt/brother/scanner/brscan4/udev_uninstall.sh: not found
> rm: cannot remove '/opt/brother/scanner/brscan4/udev_uninstall.sh': No such file or directory
> dpkg: warning: old brscan4 package pre-removal script subprocess returned error exit status 1
> dpkg: trying script from the new package instead ...
> /var/lib/dpkg/tmp.ci/prerm: 3: /var/lib/dpkg/tmp.ci/prerm: /opt/brother/scanner/brscan4/setupSaneScan4: not found
> /var/lib/dpkg/tmp.ci/prerm: 4: /var/lib/dpkg/tmp.ci/prerm: /opt/brother/scanner/brscan4/udev_uninstall.sh: not found
> rm: cannot remove '/opt/brother/scanner/brscan4/udev_uninstall.sh': No such file or directory
> dpkg: error processing archive brscan4-0.4.10-1.amd64.deb (--install):
>  new brscan4 package pre-removal script subprocess returned error exit status 1
> This software is based in part on the work of the Independent JPEG Group.
> /var/lib/dpkg/info/brscan4.postinst: 18: /var/lib/dpkg/info/brscan4.postinst: /opt/brother/scanner/brscan4/setupSaneScan4: not found
> /var/lib/dpkg/info/brscan4.postinst: 19: /var/lib/dpkg/info/brscan4.postinst: /opt/brother/scanner/brscan4/udev_config.sh: not found
> dpkg: error while cleaning up:
>  installed brscan4 package post-installation script subprocess returned error exit status 127
> Errors were encountered while processing:
>  brscan4-0.4.10-1.amd64.deb
> comp@AbNormal:~/Downloads/Brother-MFC-L2710DW$
> 

Manually delete all files under /opt/brother/scanner/* and try again?

Hope this helps in some smwall way at least. With every good wish, as ever,

Andy Cater

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Thread

Problem with Synaptic "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2021-11-11 18:40 +0100
  Re: Problem with Synaptic "Andrew M.A. Cater" <amacater@einval.com> - 2021-11-11 19:20 +0100
    Re: Problem with Synaptic "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2021-11-11 19:40 +0100
  Re: Problem with Synaptic Brian <ad44@cityscape.co.uk> - 2021-11-11 20:10 +0100
    Re: Problem with Synaptic "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2021-11-11 20:40 +0100
      Re: Problem with Synaptic Brian <ad44@cityscape.co.uk> - 2021-11-11 21:20 +0100
        Re: Problem with Synaptic "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2021-11-11 22:10 +0100
        Re: Problem with Synaptic Eduardo M KALINOWSKI <eduardo@kalinowski.com.br> - 2021-11-12 13:40 +0100
          Re: Problem with Synaptic "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2021-11-12 14:10 +0100
            Re: Problem with Synaptic Eduardo M KALINOWSKI <eduardo@kalinowski.com.br> - 2021-11-12 14:30 +0100
          Re: Problem with Synaptic Gene Heskett <gheskett@shentel.net> - 2021-11-12 14:20 +0100
            Re: Problem with Synaptic Greg Wooledge <greg@wooledge.org> - 2021-11-12 19:40 +0100
              Re: Problem with Synaptic Gene Heskett <gheskett@shentel.net> - 2021-11-12 20:30 +0100
        Re: Problem with Synaptic "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2021-11-12 13:40 +0100
          Re: Problem with Synaptic Gene Heskett <gheskett@shentel.net> - 2021-11-12 14:20 +0100
          Re: Problem with Synaptic Brian <ad44@cityscape.co.uk> - 2021-11-12 20:10 +0100
            Re: Problem with Synaptic "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2021-11-13 16:00 +0100
              Re: Problem with Synaptic Brian <ad44@cityscape.co.uk> - 2021-11-13 17:40 +0100
                Re: Problem with Synaptic Brian <ad44@cityscape.co.uk> - 2021-11-13 21:00 +0100

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