56 Xerox Phaser 5400 Laser Printer 
Troubleshooting
Symptom: Black prints
The entire printed page is black.
Symptom: Spot deletions
Areas of the print are extremely light or missing.
Possible causes and solutions:
The Laser Print Cartridge may be defective. 
Replace the Laser Print Cartridge.
The Printer’s power supply may have failed; 
contact your Customer Support Center.
Possible causes and solutions:
The paper stock may be damp. Replace the 
paper stock.
The Laser Print Cartridge may be defective or at 
the end of its life. Replace the Laser Print 
Cartridge.
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