Where online can I buy a Xerox Workcentre 3220 Transfer Belt Cleaner (R2 smartkit)

My Xerox Workcentre 3220 says that I have to replace Transfer Belt Cleaner (R2 smartkit) ..(I didn't even know that WC 3220's have Transfer Belt Cleaner) and I cannot find anywhere online where I can but that part from. So if anyone knows where please do help me and tell me.

Oh, and I am also looking for the Copystar CS-1820 Memory, if anyone also knows where I can buy that from I would very much appreciate it.

Thanks