2.ProductSpecicationsandDescription
2.11.HardwareConguration
M5370/M4370seriesElectricalCircuitSystemconsistsofthefollowing:
•Mainboard
•DSDFboard
•OPEboard
•HVPSboard
•SMPSboard
•FuserDriveBoard(FDB)
DiagramoftheM5370/M4370SeriesElectricalCircuit
Themainboardhandlesthevideocontrol,enginecontrolandscancontrol.
ThemainboardreceivestheprintdatafromthehostthroughthenetworkorUSBport,anditreceivesthecopydatafrom
thescannercontrolunit(CCDmodule).Ittakesthisinformationandgeneratesprintablevideobitmapdata.Thevideo
portionoftheMainBoardcontrolsallmodulesrequiredtoprint,thatis,LSU,HVPS,Fans,Fuser,ScanFunctions,LCD
display,andTouchScreen.
ThemainboardcommunicateswiththedrivesystemandotherdevicesthroughUART.Itcommunicateswiththetoner
cartridgeandimagingunitthroughI2Ctochecktheirlife.
ThemainboardadoptedthedualcoreCPU1GHz,DDR32GBmemory,FlashNAND128MB,320GBSA TAHDDto
controltheenginedriving,videosignalprocessing,interface,etc.successfully.
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