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WorkCentre 6400 Multifunction Printer
User Guide
211
White or Black Areas Print in Regular Pattern
Image Prints with Defects
Probable Causes Solutions
The laser lens is dirty. Clean the laser lens.
Foreign Material in the paper path. Inspect the paper path and remove any foreign
material.
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.
Probable Causes Solutions
A toner cartridge may be defective. Remove the toner cartridge with the color causing the
abnormal image. Replace it with a new toner
cartridge.
The imaging unit may be defective. Remove the imaging units one at a time, and check
for damage. If it is damaged, replace it.