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©
2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-19 T
3.22 The print is solid black
Reader unit/Printer unit (isolation)
1) Does the problem occur only in copy images?
YES: Got to step 2).
NO: Go to step 3).
Scanning lamp
2) Is the scanning lamp on?
NO: See “The scanning lamp fails to turn on.”
YES: Check the connection of the following PCBs; if normal, replace the
PCB.
1. CCDAP PCB
2. DC controller PCB
Laser unit
3) Make the following selections in service mode:
COPIER>DISPLAY>MISC>LPOWER. Is the laser output present during
printing?
NO: Replace the laser unit.
YES:
1. Replace the DC controller PCB.
2. Replace the main controller PCB.
Download Free Service Manual at http://printer1.blogspot.com
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