Restoring The Password Encryption Key; Ssl/Tls Communication With The Printer; About Digital Certification - Epson SureColor SC-T7700D Administrator's Manual

Administrator's Guide
6. Tap Start Backup.
Writing to the USB memory starts. If an encryption key has already been stored in the USB memory, it is
overwritten.
7. When a backup completion message is displayed, tap Close.
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8. Press the button to turn off the printer.
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9. Press the button to turn on the printer again.
The password is encrypted.
The printer may take longer to start than usual.

Restoring the Password Encryption Key

If the TPM chip fails, you can restore the encryption key to the replaced TPM chip by using its backup. Follow the
steps below to replace the TPM chip while the password is encrypted.
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1. Press the button to turn on the printer.
The printer's control panel displays a message that the TPM has been replaced.
2. Select Restore from Backup.
When the administrator password has been set, enter the password and tap OK.
3. Connect the USB memory that contains the encryption key to the printer's external interface USB port.
4. Tap Restore from Backup.
The encryption key is restored to the TPM chip.
5. Check the message, and then tap OK.
The printer restarts.

SSL/TLS Communication with the Printer

When the server certificate is set using SSL/TLS (Secure Sockets Layer/Transport Layer Security) communication
to the printer, you can encrypt the communication path between computers. Do this if you want to prevent remote
and unauthorized access.

About Digital Certification

❏ CA-signed Certificate
This is a certificate signed by the CA (Certificate Authority.) You can obtain it to apply to the Certificate
Authority. This certificate certifies the existence of the printer is and used for SSL/TLS communication so that
you can ensure the safety of data communication.
When it is used for SSL/TLS communication, it is used as a server certificate.
When it is set to IPsec/IP Filtering or IEEE802.1x communication, it is used as a client certificate.
Advanced Security Settings for Enterprise
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