CHAPTER 13 TROUBLESHOOTINGCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 200213-180E716 The communication between the cassette unit and the DC controller PCBis disrupted.Possible cause The wiring is faulty (short circuit, open circuit). The cassette unit control-ler PCB is faulty.The DC controller PCB is faulty.Remedy1) ConnectorIs the connection and the wiring for the connector on the cassetteunit controller PCB and the connector on the DC controller PCBnormal?NO : Correct the connection.2) Cassette unit controller PCBTry replacing the cassette unit controller PCB. Is the fault cor-rected?YES : End.NO : Replace the DC controller PCB.E717 The communication between the RDD (Remote diagnostic device) andthe image processor PCB is disrupted.Possible cause The wiring is faulty (short circuit, open circuit). The RDD is faulty.The image processor PCB is faulty.Note Be sure to clear the error in service mode : #12 CLEAR>ERR>E717-CL.Remedy1) ConnectorIs the connection and the wiring for the RDD’s connector and theconnector (J208) on the image processor PCB normal?NO : Correct the connection.2) Image processor PCBTry replacing the image processor PCB. Is the fault corrected?YES : End.NO : Replace the RDD.If E717 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>ERR>E717-CLR in servicemode before making corrections.
