Samsung MULTIXPRESS CLX-9251 Series Service Manual

Also see for CLX-9201 Series: User guide User guide Service manual

2. Product Specifications and Description2.11. Hardware ConfigurationThe CLX-9201/9251/9301 Electrical Circuit System consists of the following :• Main Controller (Main board)• OPE Controller• DADF Controller• HVPS board• SMPS board• FDB boardDiagram of the CLX-9201/9251/9301 Series Electrical Circuit320GB2.5”P HYUS B DEVICEDebug1Debug2US B HOS TP ORT2US BHUBGL850US B DEVICEUS B HOS TP ORT11Gb p s N/WRGMIINAND128MBCP U(C4N)ETHERDDRNANDS ATALS UHP VCP WMGP IOI2CUS BDEVUS BHOS TS P I UARTIPRe CP4DDR31GB32-bit600MhzLS UDADFMICOMS CANNERCCD/AFEDCFMICOMFINIS HERMODEM(S iLab )UARTTo n erCh1CCD I/FMS OKE2P ROM32KB Ch0S P IS P IDeveUS B HOS TS TEP MOTBLDC MOTDC MOTS ENS ORSCLUTCHS OLENOIDFANGP IOHVP SP WMI2CI2CFDB S MP S5V24VS ATAAVRUART8-bitm DDR512MB7” TFTUS BHUBUS BP HYNAND256MBAM3715OP ELCDCONThe main controller handles the video controller, engine controller and scan controller.The main controller receives print data from the host through the network or USB port, and it receives copy data from theScan Controller. It takes this information and generates printable video bitmap data. It controls all modules required toprint, that is, LSU, HVPS, FAN, Fuser, etc.The main controller communicates with the drive system and other devices through UART(Universal AsynchronousReceiver Transmitter). It communicates with the toner cartridge and drum/developer unit through I2C to check their life.The main controller adopted Dure Core CPU 1GHZ, DDR3 1GB memory, Flash NAND 128MB, 320GB SATA HDD tocontrol the engine driving, video signal processing, interface, etc. successfully.2-72 Copyright© 1995-2016 SAMSUNG. All rights reserved.