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Troubleshooting
WorkCentre 6400 Multifunction Printer
User Guide
206
Image is Blurred or Stained
Print Density is Uneven
Probable Causes Solutions
One or more of the imaging units may be defective. Remove the imaging units one at a time, and check
for damage. If it is damaged, replace it.
One or more of the toner cartridges may be defective. Remove the toner cartridges and check each for
damage. If one or more is damaged, replace it.
The two grey dials on the fuser are adjusted for
envelope printing.
Rotate both grey dials on the fuser to the paper
setting.
Probable Causes Solutions
One or more of the toner cartridges may be defective
or low.
Remove the toner cartridges and check for damage.
If it is damaged, replace it.
One or more of the imaging units may be defective. Remove the imaging units one at a time, and check
for damage. If it is damaged, replace it.
The printer is not level. Place the printer on a flat, hard, level surface.
The grey dials on the fuser are set for envelope
printing.
Rotate both grey dials on the fuser to the paper
setting.
Specialty paper in use. Perform the “Calibrate Paper Type” calibration in the
Tools/Calibration menu.