The Print Is Solid Black - Canon iR5000 Service Manual

CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

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:
Scanning lamp
2) Is the scanning lamp on?
NO:
YES: Check the connection of the following PCBs; if normal, replace the
1.
2.
Laser unit
3) Make the following selections in service mode:
COPIER>DISPLAY>MISC>LPOWER. Is the laser output present during
printing?
NO:
YES:
1.
2.
COPYRIGHT © 2000 CANON INC.
Download Free Service Manual at http://printer1.blogspot.com
Go to step 3).
See "The scanning lamp fails to turn on."
PCB.
CCDAP PCB
DC controller PCB
Replace the laser unit.
Replace the DC controller PCB.
Replace the main controller PCB.
2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
4-19 T