CHAPTER 13 TROUBLESHOOTINGCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 2002 13-293.3.10 The copy has white strips. (feeding direction)3.3.11 The copy has white lines. (feeding direction)Machine state1) Execute ‘PRINT’. Is the output image normal? (See 5.5.5 of Chap-ter 13.)YES: Go to step 6.Developing assembly2) Is the coating of toner on the developing cylinder even?NO: Rotate the developing cylinder to see if the coating becomeseven. If not, replace the developing assembly.Drum unit3) Is there a scratch or black line in the peripheral direction of thesurface of the photosensitive drum?YES: Replace the drum unit.Transfer charging roller, Pre-transfer static eliminator4) Is the transfer charging roller or the pre-transfer static eliminatorcoated with foreign matter?YES: Clean the transfer roller or the transfer static eliminator. If thefault is not corrected, replace the transfer charging roller or thetransfer static eliminator.Fixing assembly5) Execute fixing roller cleaning in user mode. Is the fault corrected?YES: End.NO: Replace the fixing assembly.Gain auto adjustment6) Execute gain auto adjustment. Is the problem corrected? (See2.3.2 of Chapter 13.)YES: End.Contact sensor, Standard white plate7) Clean the rod lens array of the contact sensor and the copyboardglass (standard white plate). Is the fault corrected?YES: End.Shading position correction8) For shading position correction in service mode, set a level be-tween ‘90’ and ‘72’ for ‘6 SCANNER>7 CCD>parameter ‘19’. Isthe fault corrected?YES: End.NO: Replace the copyboard glass. If the fault cannot be corrected, goto step 9).CS unit9) Are the CS unit and the spacers mounted correctly? Also, are thespacers free of water?YES: Replace the contact sensor.NO: Correct the fault. If the fault cannot be corrected, replace thefaulty part.
