Canon BJC-4400 Service Reference Manual

Also see for BJC-4400 Series: User manual Quick start guide

Contents

Canon BJC-4400 Service Reference Manual Manual pdf 18 page image

4.2 Logic Section4.2.1 Logic section block diagramPart 4: Technical Reference4-38BJC-4400Figure 4-29 Printer Block DiagramMPUParallel Interface22.11MHzPrinter ControllerP60 to 63P90 to 93A0 to 23AD0 to 15A0 to 23Carriage MotorERRORPOWERBeeperTransistor 8-Mbit Control/CG ROMAD0 to 15PB0PB1 P71P33A/Data BusAddress BusPaper Feed MotorBZRESRESCECS0RESUMECARTRIDGEDriver ICPaper End SensorPS1Pickup Roller SensorPS2P72P73A0 to 18D0 to 1520MHzP41Reset ICHome Position SensorP40TransistorPC2 to 3AD16 to 23PMPMDRAM4-MbitMA0 to 9MD0 to 15A0 to 9DRAM BusDO 1 to 16A0 to 15MA0 to 9MD0 to 15AN0Temp. Sensor(TH1)P87POWER SwitchP42P66INT 0 to 3EEPROMP35,36PB0,PB1PB4,PB5BJ Cartridge• Sub-heater• Temperature controlheater• Head temperaturesensor• Rank resistorBlack BJ Cartridgeheater (128 nozzles)Color BJ Cartridgeheater (136 nozzles)VHC,CVDCAN1,3Driver IC1 KbitPE4 to 7MCH0ID0,1HRESHCLOCKHDATAHLATCHBENB1 to 3HENB0 to 3ODDENBEVENENB Scanner Cartridge(Option)• Scanner controller• CCD• LEDs (R,G,B)HVHH VDDSCLOCKSDATASLATCHCOM 0 to 3C.CHKC.CHAP94P95Vcc (+5VDC)VH (+24.0VDC)Logic BoardJ2CartridgeControlBi-directionalInterface ControlControl ButtonsIndicatorsIndicator Control Switch DetectionJ4MechanismControlCarriage MotorTemp.Sensor(TH1)Pick-upRollerSensorPaperEndSensor J3Purge UnitPaper Feed RollerMECHANISM SECTIONELECTRICAL SECTIONSheetFeederJ1Paper Feed MotorAC AdapterJ5AC InletBJ CartridgeHome Position Sensor Scanner Cartridge (Option)LEDs(R,G,B)CCDScannerControllerCarriageFigure 4-28 Logic Board Block Diagram