142 6 Troubleshooting
6.4 Print Quality Problems
Symptom Cause/Remedy
Output is too light.
(faded or unclear)
The paper is damp. Load fresh paper.
The paper is not appropriate for the printer. Load appropriate paper.
Refer to
• "Supported Paper" (P. 76)
The drum cartridge or the fuser unit is damaged or deteriorated. The drum cartridge or
fuser unit may need replacement depending on its condition. Contact our Customer
Support Center or your dealers.
Is the toner save feature enabled?
On the [Detailed Settings] tab on your print driver, clear the [Draft Mode] check box.
Refer to
• Online help for the print driver.
Change the print density settings under the [Graphics] tab > [Image Settings] or [Color
Balance] on your print driver and try printing again.
Refer to
• Online help for the print driver.
Change the [Paper Type] setting and try printing again. For example, if [Paper Type] is
set to [Plain], try changing it to [Bond] or [Recycled]. If it is set to [Heavyweight 1], try
changing it to [Heavyweight 2].
Color spots or color lines
appear on output.
Equally spaced smears appear
on output.
The paper path may not be clean. Print a couple of sheets or so to remove dirt from the
paper path.
The interior of the printer may not be clean. Clean the interior of the printer.
Refer to
• " Cleaning the Interior" (P. 200).
The drum cartridge or fuser unit is damaged or deteriorated. The drum cartridge or
fuser unit may need replacement depending on its condition. Contact our Customer
Support Center or your dealers.
When a monochrome page is
printed after a color page, the
image on the color page gets
printed on the monochrome
page.
This problem may be improved if you set [Maintenance Mode] > [Print Adjustment] >
[Image Quality] to [On] on the control panel.
Refer to
• " [Print Adjustment]" (P. 128)
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