6.4 Print Quality Problems 143
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 Paper], try changing it to [Bond Paper] or [Recycled Paper]. 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. 202).
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. 129)