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5 Troubleshooting
5.3
Problems With the Print Quality
When the print quality is poor, select the closest symptom from the following table to rectify
the problem.
If the print quality does not improve after carrying out the appropriate action, contact our
Customer Support Center or your dealers.
Symptom
Reason/Action
Faded printouts
The paper is outside the recommended specification range. Replace the media with a
recommend size and type, and confirm that your print driver settings are correct.
Refer to
• “3.1 About Paper” (P. 36)
The paper is damp. Replace the paper.
Refer to
• “3.1 About Paper” (P. 36)
The drum cartridge or transfer roll cartridge is old or damaged. Replace the drum
cartridge or transfer roll cartridge.
Refer to
• “Replacing the Drum Cartridge” (P. 81)
• “Replacing the Transfer Roll Cartridge” (P. 84)
The high-voltage supply is defective. Contact our Customer Support Center or your
dealers for assistance.
Stray black dots or white areas
(drop outs)
The paper is outside the recommended specification range. Replace the paper with a
recommend size and type, and confirm that your print driver settings are correct.
Refer to
• “3.1 About Paper” (P. 36)
The drum cartridge or transfer roll cartridge is old or damaged. Replace the drum
cartridge or transfer roll cartridge.
Refer to
• “Replacing the Drum Cartridge” (P. 81)
• “Replacing the Transfer Roll Cartridge” (P. 84)
Vertical black or color streaks
The drum cartridge, transfer roll cartridge, or fuser unit is old or damaged. Check the
condition of the drum cartridge, transfer roll cartridge and fuser unit, and replace as
necessary. For information about replacing of the fuser unit, contact our Customer
Support Center or your dealers.
Refer to
• “Replacing the Drum Cartridge” (P. 81)
• “Replacing the Transfer Roll Cartridge” (P. 84)
Recurring smudges
Dirt in the paper path. Print several blank sheets.
The drum cartridge, transfer roll cartridge, or fuser unit is old or damaged. Check the
condition of the drum cartridge, transfer roll cartridge and fuser unit, and replace as
necessary. For information about replacing of the fuser unit, contact our Customer
Support Center or your dealers.
Refer to
• “Replacing the Drum Cartridge” (P. 81)
• “Replacing the Transfer Roll Cartridge” (P. 84)
