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User Check
(1) Check the operating environment. High temperature and high humidity
or low temperature and low humidity conditions can cause this problem.
(2) Check if the text background is dirty.
(3)Check if AC power output is 198~264V.
(4)Check if the paper is damp.
(5)Replace the fuser.
Poor Image
Step
Cause
Solution
1
Fuser is malfunctioned.
Replace the fuser.
User Check
(1) The problem may disappear after printing a few pages.
(2) The drum unit may be damaged. Install a new one.
(3) There is dirt on the paper path. Wipe off the dirt.
■ Dirty Background
Step
Cause
Solution
1
There is dirt on the paper path.
Wipe off the dirt.
Refer to < The Spacing of Various Rollers
in the Image >Table
2
There is dirt on the heating roller of
the fuser.
Replace the fuser unit.
Replace the drum unit.
3
There is dirt on the surface of the
OPC or the drum is damaged.
4
Toner cartridge near end of life.
Replace the toner cartridge.
Refer to < The Spacing of Various Rollers in the Image >Table
Important:
Periodic image defects may be caused by defects of various rollers. Please refer to the table
below to determine the cause of the defect based on the diameter of various rollers or the
spacing in the image.
<The Spacing of Various Rollers in the Image >
Component name
Spacing in the Image
Developing Roller(DR)
33mm
Drum Unit(OPC)
75mm
Heating Roller(HR)
63.5mm
<Example of Image Defects> , Value of A: Refer to < The Spacing of Various Rollers in the Image >Table
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