Chapter 22-32F-2-40The duplexing driver PCB monitors the status of the top of page sensor (SR710) sent from the DC controller and controls the duplexing reverse motor (M11) andthe duplexing flapper solenoid (SL10) in order to reverse the paper.1) The duplexing driver PCB rotates the duplexing reverse motor clockwise after Approx. 2.5 seconds from when the top of page sensor detected the leading edgeof first side of paper. Then after Approx. 0.25 second, it turns ON the duplexing flapper solenoid to make a paper path to the duplexing reverse unit.F-2-412) The duplexing driver PCB turns OFF the duplexing flapper solenoid after Approx. 2.5 seconds from when the trailing edge of first side of paper passed throughthe top of page sensor.Accordingly a paper path to the duplexing feed unit is made. At the same timing, it rotates the duplexing reverse motor counter clockwise.Duplexing feed motorDUPLEXING REVERSEMOTOR CONTROL signalDUPLEXING FEED MOTORCONTROL signalBk cartridgeY cartridgeC cartridgeM cartridgeM11Duplexing driver PCBDUPLEXING SOLENOID DRIVE signalOblique rollersDuplexing reverse motorDuplexing flapperDuplexing reverse rollerDuplexing feed unitM10SL10DC controller PCBDriver PCBDuplexing reverse paper sensorM11Duplexing reverse motorDuplexing reverse rollerDuplexing flapperFixing pressure rollerDuplexing feed rollerPaperSL10Duplexing flapper solenoid
