CHAPTER 13 TROUBLESHOOTINGCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002 13-181E719 The communication between the card reader and the image processorPCB is disrupted.Possible cause The wiring is faulty (short circuit, open circuit). The card reader is faulty.The image processor PCB is faulty.Note Be sure to clear the error in service mode : #12 CLEAR>CARD.Remedy1) ConnectorIs the connection and the wiring for the connector (J1131) of thecard reader and the connector (J10/J210) on the image processorPCB normal?NO : Correct the connection.2) Image processor PCBTry replacing the card reader. Is the fault corrected?YES : End.NO : Replace the image processor PCB.If E719 is indicated, the fault in communication is retained by the RAMon the image processor even when the power switch has been turned offand then on; be sure to execute #12 CLEAR>CARD in service mode be-fore making corrections.E733 The communication between the DC controller PCB and the image pro-cessor PCB is disrupted.Possible cause The flexible cable is faulty (short circuit, open circuit). The DC controllerPCB is faulty.The image processor PCB is faulty.Remedy1) ConnectorIs the connection and the flexible cable for the connector (J104) onthe DC controller PCB and the connector (J35/J235) on the imageprocessor PCB normal?NO : Correct the connection2) DC controller PCBTry replacing the DC controller PCB. Is the fault corrected?YES : End.NO : Replace the image processor PCB.