Ricoh Aficio MP 9000 - Manual (Page 140)

Various Scan Settings
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6
F
In [Password], press [Enter].
G
Enter a password, and then press [OK].
The password entered here will be required to open the PDF file.
H
Enter the password again, and then press [OK].
I
In [Encryption Level], select [40 bit] or [128 bit].
J
Press [OK] twice.
Note
❒ A document password cannot be the same as the Master password.
❒ You can enter up to 32 alphanumeric characters for a document password.
❒ PDF files created under the [128 bit] Encryption Level cannot be viewed us-
ing Adobe Acrobat Reader 3.0 and 4.0.