Digital signature certificate , cryptographic xerox 7345

[cosmoslight]

Hello everybody
I have xerox workcenter 7345 there is an option in this machine when scan to pdf is digital signature visible or invisible i already do it but when i verify this signature only i got the date and time and i want to got all machine information i will atach print screen for what i want
and how can i import a digital certificate to the machine and install it inside the machine
many thanks