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45584901TH Rev.1

3-20 /

Oki Data CONFIDENTIAL

[F] Erasing HDD securely (Erase HDD Securely)

This function is used when installing Data Overwrite Enabler (GP-1070) or before discarding

theHDD.ItoverwritesalltheusedareasontheHDDwiththeselecteddata,andmakesit

unusable.

 Afterselectingthisfunction,specifythelevelbelowtobeoverwritten.

1: LOW(Normallyusethissetting.)

This is the standard overwriting method.

2: MEDIUM

 ThisoverwritingmethodismoresecurethanLOW.Theerasingtimeisbetween

LOWandHIGH.

3: HIGH

This is the most secure overwriting method. It takes the longest time to erase data.

4: SIMPLE

This is the simple overwriting method. It takes the shortest time to erase data.

 Keyinthelevelnumbertodisplay“<”nexttoit.

 (Atthistime,if“0”isentered,thescreenreturnstotheinitialoneoftheAssistMode.)

 Pressthe[START]buttontodisplaythereconrmationscreen,andthenpressthe[START]

button again to start overwriting.

[G] Erasing SRAM securely (Erase SRAM Securely)

This function is used before discarding the SRAM board (for the CU board).

 ItoverwritesalltheusedareasontheSRAMboardwiththeselecteddata,andmakesit

unusable.Immediatelyafterselectingthisfunction,theprocessingstartsandiscompleted.

[H] Clearing service tech password (Clear Service Tech)

This function is needed after the HDD is replaced.

 WhentheHDDisreplaced,theservicetechpasswordstoredinthenewoneissetasa

blank.Therefore,itspasswordiscopiedtotheSRAMboardsothatbothpasswordsbecome

thesamewiththisfunction.Thesettingisenabledwhentheequipmentisstartedupinthe

normal mode after performing this function.

Oki MC770 Maintenance Manual

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