Konica Minolta bizhub C650 - Manual (Page 238)

C650 9-33
Function detail description 9
– To do without specifying a user definition for "Encryption Passphrase", clear "Encryption
Passphrase".
5
Click the [OK] button.
2
Note
When entering the encryption passphrase, use 20 alphanumeric characters. Specify the same
encryption passphrase for the machine and the printer driver.
An encryption key using a series of the same character is invalid.