CHAPTER 13 TROUBLESHOOTINGCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 200213-363.3.22 The copy is solid black.Machine state1) Execute ‘PRINT’. is the output image normal? (See 5.5.5 of Chap-ter 13.)NO: Go to sep 6.Contact sensor2) Is the contact sensor ON during copying?NO: See “The contact sensor fails to go ON.”Connector3) Is the connection of the connectors (J1, J3) on the analog processorPCB, the connector (J221) on the image processor PCB, and theconnector (J30) on the contact sensor normal?NO: Correct the connection. If the flexible cable has a scratch, replaceit.Contact sensor4) Try replacing the contact sensor. Is the problem corrected?YES: End.Analog processor PCB, Image processor PCB5) Try replacing the analog processor PCB. Is the problem corrected?YES: End.NO: Replace the image processor PCB.High-voltage leaf spring6) Is the connection between the contact of the leaf spring for the pri-mary charging bias and the contact of the developing assembly nor-mal?NO: Clean the contacts. If the problem is not corrected, or if the dam-age/deformation is found, replace the faulty part.Drum unit7) Try replacing the drum unit. Is the problem corrected?YES: End.Developing assembly8) Try replacing the developing assembly. Is the problem corrected?YES: End.High-voltage leaf spring9) Is the connection between the contact for the primary charging biason the DC controller PCB and the contact of the developing assem-bly normal?YES: Replace the DC controller PCB.NO: Clean the contacts. If the fault is not corrected, or deformation/damage is found, replace the faulty part.
