Toner Smudges - Muratec MFX-2050 Field Engineering Manual

4.12.7 Irregularities
Symptom: Portions of image are broken or missing.
Poor image transfer
ABCDE
ABCDE
ABCDE
ABCDE
ABCDE
4.12.8 White (Black) Line
Symptom: White or black strip appears vertically through image.
Poor development
ABCDE
Defective Drum
ABCDE
ABCDE
Improper charging
ABCDE
ABCDE
Improper fusing
Poor image transfer
Improper LED exposure
Poor scanning

4.12.9 Toner Smudges

Symptom: Background appears "peppered" with black spots.
Poor scanning
ABCDE
ABCDE
ABCDE
Improper fusing
ABCDE
Improper cleaning
ABCDE
• Replace the Image Transfer Unit.
• Replace the High Voltage Unit.
• Replace the Toner Cartridge.
• Replace the Drum Cartridge.
• Clean the Charge Wire.
• Replace the Drum Cartridge.
• Replace the Fusing Unit.
• Replace the Image Transfer Unit.
• Replace the LED Print Head Unit.
• Clean the ADF glass.
• Clean the ADF glass.
• Clean the Fusing Rollers. If it is not effective, replace Rollers or the Fusing
Unit.
• Replace the Drum Unit.
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