
4-10
4.12.3 Printout too light
Symptom: Printed image is faint or does not print solid.
Poor development
•
Remove the toner cartridge and shake it a few times to redistribute the toner
inside. If the problem persists, replace the toner cartridge.
•
Replace the High Voltage Unit.
•
Clean the LED print head.
Defective Drum
•
Replace the Drum Cartridge.
Poor image transfer
•
Replace the Image Transfer Unit.
•
Replace the High Voltage Unit.
•
Replace the Main Control PCB.
4.12.4 Printout too dark
Symptom: Printed image is faint or does not print solid.
Poor development
•
Remove the toner cartridge and shake it a few times to redistribute the toner
inside. If the problem persists, replace the toner cartridge.
•
Replace the High Voltage Unit.
•
Clean the LED print head.
Defective Drum
•
Replace the Drum Cartridge.
Poor image transfer
•
Replace the Image Transfer Unit.
•
Replace the High Voltage Unit.
•
Replace the Main Control PCB.
4.12.5 Blurred background
Symptom: Copies show a gray or dark background.
Poor development
•
Replace the High Voltage Unit.
•
Replace the Main Control PCB.
•
Replace the Toner Cartridge.
•
Replace the Drum Cartridge.
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