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45584901TH Rev.1

8-2 /

Oki Data CONFIDENTIAL

Fig.8-2

B System ﬁrmware P. 8-23

Fig.8-3

C FAXrmware(GD-1340) P. 8-26

Notes:

• Writtenrmwarevariesdependingonthekindsoftheboardsprovidedasserviceparts.For

updating,onlytheminimumrmwareisinstalledonthesystemcontrolPCboard,logicPC

board,andscanningsectioncontrol PCboard.NormwareisinstalledontheFAXboard.

The latest version of the ﬁrmware at the time of delivery is written on the RADF control PC

board and ﬁnisher control PC board.

 Whenanyofaboveboardsisreplacedwithanewoneintheeld,checktheotherrmware

version used and then update with a corresponding suitable version.

• “Can’tfetchVer.”isdisplayedintheInstalledVersioneldwhentheversionoftheinstalled

firmwarecannotbeacquiredproperly.Ifanormalpoweronisnotperformedafterthe

rmwareisupdatedandthe[POWER]buttonispressedwhilesimultaneouslyholdingdown

the [4] and [9] buttons,“Can’t fetchVer.” may be displayed on the control panel for some

ﬁrmwares. A normal power on must be performed.

Oki MC770 Maintenance Manual

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