Oki MC770 Maintenance Manual page 216

[L] enable HDD encryption
If the HDD encryption function is used, follow the procedure below.
(1) Start up with the Setting mode (08).
(2) Enter the password, and then press the [OK] button.
(If the password is not set for Service, press the [ENTER] button without entering
anything.)
(3) Enable the encryption function.
• For high security mode
Set the value of 08-8911 to "3".
• For enabling HDD encryption only
Set the value of 08-8911 to "1", and then set the value of 08-9379 to "1" (Security
priority) or "2" (Performance priority).
(4) Turn the power OFF.
[m] adjust image quality
(1) Start up with the Adjustment mode (05).
(2) Enter the password, and then press the [OK] button.
(If the password is not set for Service, press the [ENTER] button without entering
anything.)
(3) Perform "Automatic gamma adjustment" <PPC> (05-7869).
 P. 4-5 "4.2.1 Automatic gamma adjustment"
(4) Perform "Automatic gamma adjustment" <PRT> (05-8008/8009).
 P. 4-7 "4.3.1 Automatic gamma adjustment"
(5) Turn the power OFF.
[N] Initialize settings when FaX Unit (GD-1340) is installed
(1) Reinstall the FAX Unit (GD-1340).
(2) Start up with the Setting mode (08).
(3) Enter the password, and then press the [OK] button.
(If the password is not set for Service, press the [ENTER] button without entering
anything.)
(4) Set the destination of FAX (08-9001).
(5) Turn the power OFF.
(6) Start up with the FAX Clearing Mode (1*).
(7) Perform the FAX Set Up (1*-100).
(Refer to FACSIMILE SERVICE HANBOOK P.2-47 "2.5 FAX Clearing Mode(1*)")
(8) Turn the power OFF and then back ON.
(9) Set the dial type according to these buttons: [SETTING] → [ADMIN] → [FAX] → [INITIAL
SETUP]
[O] set date and time
Set the date and time according to these buttons.
[SETTING] → [ADMIN] → [GENERAL] → [CLOCK] → [DATE/TIME]
45584901TH Rev.1
Oki Data CONFIDENTIAL
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