CHAPTER 13 TROUBLESHOOTINGCOPYRIGHT © 2002 CANON INC. 2000 CANON iR1600/iR2000/iR1610/iR2010 SERIES REV.0 MAR. 200213-283.3.7 The copy is foggy. (feeding direction).3.3.8 The copy has black lines. (feeding direction, fuzzy, thick)3.3.9 The copy has black lines. (feeding direction, fine)Machine state1) Execute ‘PRINT’. Is the output image normal? (See 5.5.5 of Chap-ter 13.)YES: Go to step 5.Developing assembly2) Is the coating of toner on the developing cylinder even?NO: Rotate the developing assembly cylinder to see if the coating be-comes even. 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.Fixing assembly4) Execute fixing roller cleaning in user mode. Is the fault corrected?YES: End.NO: Replace the fixing assembly.Contact sensor (rod lens array)5) Clean the rod lens array of the contact sensor. Is the fault cor-rected?YES: End.Gain auto adjustment6) Execute gain auto adjustment. Is the fault corrected? (See 2.3.2 ofChapter 13.)YES: End.CS unit7) Are the CS unit and the spacers mounted correctly? Also, are thespacers free of wear?YES: Replace the contact sensor.NO: Correct the fault. If the fault cannot be corrected, replace thefaulty part.
