Printout Too Light; Printout Too Dark; Blurred Background - Muratec MFX-1600 Field Engineering Manual

4.12.3 Printout too light

Symptom: Printed image is faint or does not print solid.
ABCDE
Poor development
Remove the toner cartridge and shake it a few times to redistribute the toner
ABCDE
ABCDE Replace the High Voltage Unit.
Clean the LED print head.
ABCDE
Defective Drum
ABCDE
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.
ABCDE
Poor development
Remove the toner cartridge and shake it a few times to redistribute the toner
ABCDE
ABCDE
Replace the High Voltage Unit.
Clean the LED print head.
ABCDE
Defective Drum
ABCDE
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
ABCDE
Replace the High Voltage Unit.
ABCDE
Replace the Main Control PCB.
Replace the Toner Cartridge.
ABCDE
Replace the Drum Cartridge.
ABCDE
ABCDE
inside. If the problem persists, replace the toner cartridge.
inside. If the problem persists, replace the toner cartridge.
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