Canon Authorized Sen for ImageRUNNER Machines Version 4.1 - Manual (Page 145)

Authorized Send Installation and Configuration Guide for imageRUNNER Machines 145
6. Specify the SNTP settings.
<Use SNTP>:
Select [On] to perform time synchronization using SNTP.
<Polling Interval>:
Select the interval for performing time synchronization
from ‘1’ to ‘48’ hours.
[NTP Server Address]: Enter the NTP server address or host name.