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45584901TH Rev.1

6-16 /

Oki Data CONFIDENTIAL

6.2.4 Precautions and Procedures when replacing the CU board

A procedure for CU board replacement is shown below.

[C] Restore ADI key

Start

[A] Return License

[D] Restore encryption key

[G] Reinstall license

[F] Update firmware version

[H] Check firmware versions

[E] Restore license

Setting completed

[B] Replace the CU board

Fig.6-23

[A] Return License

Notes:

• IftheSettingMode(08)isnotstartedup,"[A]ReturnLicense"canbeomitted.Inthatcase,

reinstall the license with "[1]Re-registration when the board is replaced" if it is cleared

since"[G]ReinstallationofLicense"cannotbeperformed.

• WheninstallingtheDataOverwriteEnabler(GP-1070)andsecuritymodeissettingHigh

Security,setthesecuritymodelevlelto"1"(Lowlevel).Thenrestarttheequipment.

(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) Keyin[3840],andthenpressthe[ENTER]button.

(4) Selectthelicensetobereturned,andthenpressthe[REMOVE]button.

(5) Installtheone-timedongle,whichyouusedforuploadingtheselectedlicense,inthe

equipment,andthenpressthe[OK]button.

(6) TheRemovescreenisdisplayed,thenpressthe[YES]button.Ifthisscreenisnot

displayed,checkwhethertheone-timedongleisinstalledintheequipmentproperly.

Oki MC770 Maintenance Manual

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