Thanks for the suggestion Akemi.
Unfortunately, it made no difference.
I'm awaiting comment from Brother, but I suspect they will say change to Ubuntu :-(
Cheers
Bill 
 
-----Original message-----
> From:Akemi Yagi <[log in to unmask]>
> Sent: Saturday 25th June 2016 1:10
> To: SL Users <[log in to unmask]>
> Subject: Re: SL7 CUPS/SELinux problem trying to install Brother HL-3150CDN printer driver
> 
> On Fri, Jun 24, 2016 at 2:33 AM, Bill Maidment <[log in to unmask]> wrote:
> > Has anyone any suggestions how to get a Brother HL-3150CDN printer driver installed on SL7.
> > I have been trying to install using the Brother supplied installation script, which worked OK on SL6.
> >
> > With SL7 I get error messages such as:
> > SELinux:  Could not downgrade policy file /etc/selinux/targeted/policy/policy.29, searching for an older version.
> > SELinux:  Could not open policy file <= /etc/selinux/targeted/policy/policy.29:  No such file or directory /sbin/load_policy:  Can't load policy:  No such file or directory
> >
> > The file in question does exist, but I have selinux disabled anyway.
> >
> > SL7 is using cups version 1.6 whereas SL6 uses cups version 1.4. Is that an issue?
> > I guess the Brother script is a bit out of date as it was created in 2012.
> >
> > Any help would be appreciated.
> >
> > Cheers
> > Bill Maidment
> 
> Can you try reinstalling selinux-policy packages and see if that fixes
> the issue?
> 
> yum reinstall selinux-policy\*
> 
> Akemi
> 
>