68 6 Troubleshooting
Hair-like marks appear in or
around black half-tone printing
The paper was left unwrapped for a long time (especially in a dry environment).
Replace it with paper from a new ream.
Refer to
• “5.2 Loading Paper” (P. 55)
Shadows appear around areas
of dense black printing
The paper was left unwrapped for a long time (especially in a dry environment).
Replace it with paper from a new ream.
Refer to
• “5.2 Loading Paper” (P. 55)
White dots appear in black
filled areas.
The paper used is not suitable. Load the correct type of paper.
Refer to
• “5.1 About Paper” (P. 52)
The drum/toner cartridge is defective or damaged. Replace it with a new drum/toner
cartridge.
Refer to
• “7.1 Replacing the Drum/Toner Cartridge” (P. 74)
Printed image smudges when
rubbed with your finger.
The paper is damp. Replace it with paper from a new ream.
Refer to
• “5.1 About Paper” (P. 52)
The paper used is not suitable. Load the correct type of paper.
Refer to
• “5.1 About Paper” (P. 52)
Partial blanks appear
throughout the paper
The paper is damp. Replace it with paper from a new ream.
Refer to
• “5.2 Loading Paper” (P. 55)
The paper used is not suitable. Load the correct type of paper.
Refer to
• “5.1 About Paper” (P. 52)
The drum/toner cartridge is defective or damaged. Replace it with a new drum/toner
cartridge.
Refer to
• “7.1 Replacing the Drum/Toner Cartridge” (P. 74)
Condensation has occurred inside the printer. Turn the printer on and leave it one hour
at least to get rid of any condensation.
Text or images are printed at
an angle.
The paper guides are not set in the correct positions. Set the paper guides to the
correct positions.
Refer to
• “5.2 Loading Paper” (P. 55)
Symptom Reason/Action
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