COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS4-26 T3.22 The copy is completely black.Scanning lamp1) Is the scanning lamp ON during copying operation?NO: See “The scanning lamp fails to go ON.”Margin2) Is there a margin on copies made in normal mode?YES: Go to step 6.NO: Go to step 3.Drum unit3) Is the drum unit fitted correctly? (Is it fully pushed inside?)NO: Mount it correctly.Primary charging roller4) Are the contact of the connectors, connection of the harness, and electri-cal continuity from J130-7 of the composite power supply PCB to the pri-mary charring roller normal? (The resistance of the high-voltage cord forprimary charging is 10 kΩ.)NO: Correct the fault.Mirror (position)5) Generate test prints (PG>TYPE; 1 through 8). At this time, is the imageon the photosensitive drum normal?NO: Go to step 7.DC controller PCB, Composite power supply PCB6) Is the output of J301-B4 (+) on the DC controller PCB 0 V during copy-ing operation?NO: Replace the DC controller PCB.YES: Replace the composite power supply PCB.Reader controller PCB, CCD unit7) Try replacing the CCD unit. Is the problem corrected?NO: Replace the reader controller PCB.YES: End.
