Canon MX920 Series Online Manual page 217

PSK: Passphrase and Dynamic Encryption Setup Screen
Note
This screen is not available depending on the printer you are using.
Enter the passphrase and select the dynamic encryption method.
1. Passphrase:
Enter the passphrase set to the access point. The passphrase should be a string of 8 to 63
alphanumeric characters or a 64-digit hexadecimal value.
If you do not know the access point passphrase, refer to the instruction manual provided with the
access point or contact its manufacturer.
2. Dynamic Encryption Type
Select the dynamic encryption method from either TKIP (Basic Encryption), or AES (Secure
Encryption) according to the setting of the access point.