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ES 3037/3037e Windows Troubleshooting • 440
Longitudinal black stripes
Faint shading on unprinted sections
Blurred letter edges
Possible cause Remedy
Image drum is damaged. Replace image drum.
Toner is low. Change toner cartridge.
Periodic black lateral lines or
spots.
• 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.
The image drum has been
exposed to light.
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.
Possible cause Remedy
Paper has been affected by
static electricity.
Store paper within specified temperature and humidity
levels.
Paper is too thick. Use recommended paper.
Toner is low. Change toner cartridge.
Possible cause Remedy
LED is dirty. Clean LED with lens cleaner or soft tissue.
Cannot print desired color
because toner is low.
Replace toner cartridge.
Black formation method does not
match application.
Open the printer driver and set black formation to
CMYK.