Fuji Xerox DocuCentreS2520 User Manual page 251

For example, in Dual Stack mode, either the IPv4 address or IPv6 address may not be
displayed, or a different IPv6 address may be displayed.
 When IPv6 is enabled and IPv4 is disabled on the machine, you cannot specify a storage
location for the Browse feature of the Scan to PC (SMB) function.
 In the following cases, the machine may not be able to identify whether addresses are for
the same device, so may not be able to execute status check (lpq) or cancel (lprm)
commands for user print jobs executed by LPD.
- When simultaneously operating IPv4 and IPv6 addresses with the same host
- When simultaneously operating multiple IPv6 addresses with the same host
 IPv6 addresses may not be correctly recorded on job logs. Use an IPv4 network for correct
logging.
 When searching a device outside the router via SMB, directly specify the address.
Multicasting is supported only within a local link (FF02::1).
 In an IPv6 network environment without a DNS server, authentication fails when a
computer name is specified in the SMB server settings for SMB authentication. Specify an
IPv6 address directly as the authentication server's computer name.
Notes and Restrictions
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