Selecting an encryption level for a PDF file

This section explains how to select an encryption level for a PDF file.

Press [Options].
Press the [] or [] key to select [PDF Security Encryption], and then press the [OK] key.
Select [Encryption level], and then press the [OK] key.
Select [40 bit] or [128 bit], and then press the [OK] key.
"Programmed" appears, and then the PDF Security Encryption screen reappears.
Press the [Escape] key twice.

PDF file created under the [128 bit] Encryption Level cannot be viewed using Adobe Acrobat Reader 3.0 and 4.0.
If [Permit Low Resolution Only] is specified as the print permission in [PDF Security Permissions], you cannot select [40 bit].