Service manual pdf (http://www.verdico.bg/public/files/file/71/LB1000_TEC_GB.pdf):
LB1000_TEC_GB
repair part list (http://www.kavegep.co/pdf/lavazzablue/LavazzaLB1000.pdf):
LavazzaLB1000

Spare parts sellers:
http://www.tuttocialde.it/ricambi-lavazza-lb1000
http://www.neronero.it/shop/17-ricambi-per-lavazza-lb-1000/ricambi-lavazza-lb-1000.html
http://www.italian-coffee.biz/ricambi-lavazza-filtri-anticalcare-caraffe-filtri-lavazza-blue-lb1000-c-155_216.html