Konica Minolta BIZHUB C652DS - Manual (Page 184)

bizhub C652/C652DS/C552/C552DS/C452 12-35
12.8 Specifying the encryption passphrase by the user 12
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Select the "Encryption Passphrase" check box, and then enter the encryption passphrase.
% If you do not specify a user-defined "Encryption Passphrase", clear the "Encryption Passphrase"
check box.
% Enter the encryption passphrase with 20 alphanumeric letters. Specify the same encryption
passphrase for the machine and the printer driver.
% An encryption passphrase using a series of the same letters is invalid.
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Click [OK].