[Koha] spine lable

Dear All, Recently, I installed the CVS version of Koha,my interest was to have the spine label, but I got the print preview and generated PDF file blank! also I tested the koha at http://koha.liblime.com <http://koha.liblime.com> , the result was the same, it seems I forgot to do something, so any comments or help is appreciated. Many thanks in advance -------------------------- Sincerely Yours, Shahab Bohlooli,PhD School of Medicine, Ardabil University of Medical Sciences, Ardabil 56197,Iran Phone no: 0098-451-5512788 Fax no: 0098-451-5510057