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Symptom
Output is partially blanked-out.
Vertical white streaks appear
on output.
White patches appear on
output.
Toner scatters around images.
Images are bluish.
The paper is not appropriate for the printer. Load appropriate paper.
Refer to
• "Supported Paper" (P. 70)
The paper is damp. Load fresh paper.
The toner cartridge is not installed correctly.
Correctly install the toner cartridge.
The interior of the printer may not be clean. Remove the drum cartridge from the printer,
and place it in a dark place. Check the light path, and then remove the shielding.
Dew condensation may have formed in the printer.
On the control panel, set the interval that the printer switches to the Sleep mode to
more than 60 minutes, and let the printer stand with its power on. After about an hour,
the condensation disappears due to the heat inside the printer.
Refer to
• Sleep mode: " System Settings" (P. 90)
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.
The image transfer voltage (the [Adjust BTR] setting on the control panel) may not be
set properly.
Adjust the transfer voltage on the control panel.
Refer to
• "7.10 Adjusting the Image Transfer Voltage" (P. 165)
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].
Cause/Remedy
light path
6.4 Print Quality Problems
109
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