my $data = do { local $/; <> }; # or however you load it.

my( %device, %system );

for ( split /\n(?=\S)/, $data )
{
  if ( /^device for (.*?): (\S+)/ )
  {
    $device{$1} = $2;
  }
  elsif ( /^system for (.*?): (\S+)/ )
  {
    $system{$1} = $2;
  }
  elsif ( /^printer (\S+)/ )
  {
    my $p = $1;
    my %printer =
    (
      name => $p,
      locus => $device{$p} ? "Network" : $system{$p} ? "local" : "Remote",
      description => (/Description: (.*)/)[0],
      up => "Up",
      zero => 0,
    );

    if ( $system{$p} )
    {
      $printer{'interface'} = $system{$p};
      $printer{'remote'} = "N/A";
    }
    else
    {
      ( $printer{'interface'} ) = /Interface: (.*)/;
      $printer{'interface'} ||= ''; # in case it's absent
      $printer{'interface'} =~ s,.*/,,; # strip path info
      $printer{'remote'} = "no";
    }

    print join('|', @printer{qw( name locus interface description up zero remote )}), "\n";
  }
}