Canon LBP7210Cdn Manual page 571

Proceed to Step 7
Configuring the SNTP Settings (Notifying the printer of the Time via an SNTP
Server)
Specify the settings for [SNTP].
If the DNS server is configured
1. Enter the server name of the SNTP server in [SNTP Server Name].
2. Select [Time Zone].
3. To set daylight saving time, set [Daylight Saving Time] to [On].
If the DNS server is not configured
1. Enter the IP address of the SNTP server in [SNTP Server Name].
2. Select [Time Zone].
if you do not specify the settings for the other options.