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Print-Quality Problems
Phaser® 6128MFP Multifunction Printer
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Only one color faded:
• Check the condition of the toner cartridge, and replace as necessary.
• Confirm that all yellow shipping ribbons have been removed from the right
side of the imaging unit.
Stray black dots or white
areas (drop outs)
The paper is outside the recommended specification range.
Replace the paper with a recommended size and type, and confirm that your
control panel settings are correct. See About Paper on page 45.
The transfer unit is old or damaged.
Replace the transfer unit.
The toner cartridges are not Xerox toner cartridges.
• Check the condition of the toner cartridge, and replace as necessary.
• Verify that the toner cartridges (C/M/Y/K) meet specifications, and replace
if necessary.
There is dirt in the paper path.
• Print several blank sheets.
Vertical black or color
streaks
Multiple colored streaks or lines:
• The transfer unit, or fuser, is old or damaged.
Check the condition of the transfer unit and fuser, and replace as necessary.
• The toner cartridges are not Xerox toner cartridges.
Verify that the toner cartridges (C/M/Y/K) meet specifications, and replace
if necessary.
Streak in only one color:
• Check the condition of the imaging unit and replace as necessary.
Recurring smudges Dirt in the paper path.
Print several blank sheets.
The paper is outside the recommended specification range.
Replace the paper with a recommended size and type, and confirm that your
control panel settings are correct. See About Paper on page 45.
The transfer unit, or fuser, is old or damaged.
Check the condition of the transfer unit and fuser, and replace as necessary.
Symptom Reason/Action