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Possible cause
Periodic black lateral
lines or spots.
The image drum has been
exposed to light.
Faint shading on unprinted sections
Possible cause
Paper has been affected
by static electricity.
Paper is too thick.
Toner is low.
Blurred letter edges
Possible cause
LED is dirty.
Cannot print desired
colour because toner is
low.
Black formation method
does not match
application.
Remedy
>
If the lines or spots occur at intervals of approximately
44 - 94 mm, the image drum (green tube) is damaged
or dirty. If damaged, replace the image drum
cartridge. If dirty, wipe the image drum gently with
soft tissue. If this does not work, replace the image
drum.
>
If the lines or spots occur at intervals of approximately
113 mm, the fuser roller is damaged. Change the
fuser unit.
Remove the image drum from the printer and store it in a
dark place for several hours. If this does not work, replace
the image drum.
Remedy
Store paper within specified temperature and humidity
levels.
Use recommended paper.
Change toner cartridge.
Remedy
Clean LED with lens cleaner or soft tissue.
Replace toner cartridge.
Open the printer driver and set black formation to CMYK.
TROUBLESHOOTING > 174
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