function my_kboard_default_build_mod($mod, $board_id){
    if($board_id == 16){ // QnA
        if(is_page('other-page')) {
            $mod = 'editor';
        }
    }
	
	return $mod;
}
add_filter('kboard_default_build_mod', 'my_kboard_default_build_mod', 10, 2);

function my_kboard_after_executing_url($next_page_url, $execute_uid, $board_id){

    $board = new KBoard($board_id);
	$url = new KBUrl();

    if($board_id == 16){ // QnA
        if(is_page('other-page')) {
            $next_page_url = $url->set('mod', 'editor')->toString();
        }
    }
	
	return $next_page_url;
}
add_filter('kboard_after_executing_url', 'my_kboard_after_executing_url', 10, 3);