Canon M3010 Series Service Manual

Contents

Canon M3010 Series Service Manual Manual pdf 20 page image

22 2-52-5Technical Overview > Controller System > Engine Controller > General descriptionTechnical Overview > Controller System > Engine Controller > General descriptionController SystemMain Controller■ OverviewThe Main Controller receives print information from the Reader and external equipment(computer, etc.). Video data is created from the received print information, and is sent to theEngine Controller.There are 2 types of print information from the external equipment: engine command data toexchange the status or unique information of a printer and dot data for printing.In the case of receiving dot data, video data is created and is sent to the Engine Controller.In the case of receiving engine command data, printer status is returned to the externalequipment after communicating with the Engine Controller.EXTERNALDEVICEUSBINTERFACECONTROL PANELENGINECONTROLLERDRAMMAIN CONTROLLEREEPROMREADERCONVERTERANALOG TO DIGITALMOTOR DRIVERDC/DC CONVERTER CPUASICF-2-3Engine Controller■ General descriptionEngine controller is the circuit to control the operation sequence of the host machine and it iscontrolled by the CPU inside the engine controller.When the Power Switch (SW1100) is turned ON and DC power is supplied through the lowvoltage power inside engine controller, CPU starts the printer operation control.Then, CPU drives the loads such as laser diode, motors and solenoids etc. according to theimage data that is input by the main controller when status becomes stand-by mode.The following is the block diagram of this circuit.AC inputFixingassemblyMotorMTransfer roller High-voltagepower supplyLow-voltagepower supplyLaser scannerunitSolenoidMain controllerToner CartridgeSensorCPUSwitchEngine controllerFixing controlF-2-4