B. Self Diagnosis (ADF)Table 10-20Note:To reset the copier after activation of the self diagnosis mechanism, switch thecopier off and then on.You can still continue to make copies even when the ADF is out of order; simplyopen the ADF, and set the documents on the copyboard glass.10-113COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTINGCode Cause• data communication withcopier (error)• belt motor (fails to rotate)• belt motor clock sensor (faulty)• delivery motor (fails to rotate)• delivery motor clock sensor(faulty)• document detection (faulty)• registration sensor (faulty)• document edge sensor (faulty)DescriptionThe data communication is monitored at alltimes; the error is identified if thecommunication with the copier is absent for5 sec or more.The belt clock pulses within 200 msec arebelow the specified number.The delivery motor clock pulses within200 msec are below the specified number.The output of the sensor is 2.3 V or more inthe absence of paper.E400E402E404E411
