Oki MC770 - Page 208

45584901TH Rev.1
6-17 /
Oki Data CONFIDENTIAL
(7) After10to40secondspasses,thescreenfornotifyingthesuccessofperformanceis
displayed.
 Thenpressthe[OK]button.Ifthisscreenisnotdisplayedorthescreenfornotifying
thefailureofperformanceisdisplayed,quitthisoperationbypressingthe[NO]/[CLOSE]
button.Then,checkwhethertheone-timedongle,whichyouusedforuploadingthe
selectedlicense,isinstalledintheequipment.
(8) Check that the returned license is not displayed on the screen.
Remarks:
Ifthereareanyotherlicensestobereturned,repeatfromstep(4).
If there is no more licenses to be returned, press the [CLOSE] button, and then turn the
power OFF.
[B] Replace the CU board
Notes:
BeforereplacingtheCUboard,performthefollowingprocedure.

P. 6-8 "6.2.1 Precautions when replacing PC boards"
(1) Confirm that the power is turned OFF.
(2) Replace the CU board.
(3) Install DIMM (main memory) to the new CU board (from the old CU board).
(4) Install SRAM board to the new CU board (from the old CU board).
(5) Install HDD to the new CU board (from the old CU board).
[C] Restore ADI key
IftheADI-HDDisinstalled,followthestepsbelow.Toconrmthetypeofdevice,startup
theequipmentinthe4Cmode.
Notes:
IfturningthepowerONwhilepressing[3]andthe[CLEAR]button simultaneouslyor
restoring the key is not possible,update the systemrmware usingthe downloadjig, and
then perform this procedure again.

P.8-20"8.4FirmwareUpdatingwithPWA-DWNLD-JIG2"
(1) TurnthepowerONwhilepressing[3]andthe[CLEAR]buttonsimultaneously.
(2) Enterthepassword,andthenpressthe[OK]button.(Ifthepasswordisnotsetfor
Service,pressthe[OK]buttonwithoutenteringanything.)
(3) Keyin[5]toselect"5.KeyBackupRestore",andthenpressthe[START]button.
(4) Keyin[5]toselect"5.ADIKeySRAMtoFROM",andthenpressthe[START]button.
(5) Waituntiltherestoringoftheencryptionkeyiscompleted."OperationComplete"is
displayed.
(6) Turn the power OFF.