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Printed images area partially faded. White spots and lines appear in solid printing.
Vertical lines appear.
Horizontal lines and spots appear periodically.
4 4
White area of paper is lightly stained.
The periphery of characters is smudged.
124
Print Quality Problems
The paper is too moist or drying.
The setting of [PAPER BLACK SET] is
incorrect.
The lower point of Postcard is printed
dusts.
The roller in the image drum is
damaged or dirty.
The toner is low.
If the interval of lines or sports is about
94 mm, the image drum (the green
tube) is damaged or dirty.
If the interval of line or spots is about
40 mm, there may be foreign materials
in the image drum.
If the interval of lines or spots is about
88 mm, the fuser unit is damaged.
The image drum has been exposed
to light.
Paper is electro-statically charged.
The paper being used is thick.
Toner is low.
The jammed paper winds around the
transfer roller.
The LED head is dirty.
The print density setting is incorrect.
Use paper stored in proper temperature and humidity
conditions.
(Page
56)
Change the value of [PAPER BLACK SET] in [MAINTENANCE
MENU].
For how to change menu settings, see User Menu of
Printer .
(Page
75).
It is not printer's matter.
Replace the image drum.
(Page
Take a shock to toner cartridge. If it cannot clear the
problem, replace the toner cartridge.
Lightly wipe the image drum with soft tissue paper.
(Page
104)
Replace the image drum if it is damaged.
(Page
104)
Open and close the top cover to have the printer
repeat initialization.
Replace the fuser unit. Please contact the related
service center.
Place the image drum back into the printer and do not
use the printer for several hours. If it doesn't solve
the problem, replace the image drum.
Use paper stored in proper temperature and humidity
conditions.
(Page
56)
Use thinner paper.
Replace the toner cartridge.
Refer to "When paper jams"
（Page
the jammed paper.
Wipe the LED head with soft tissue paper.
Select [Medium Light] or [Light] for print density from
the printer operator panel or in the printer driver.
(User's Manual - Advanced)
104)
(Page
100)
(Page 104
(Page
100)
114） ，and remove
(Page
108)
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