Longitudinal Black Stripes; Faint Shading On Unprinted Sections; Blurred Letter Edges - Oki 3037 User Manual

Longitudinal black stripes

Possible cause
Image drum is damaged.
Toner is low.
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 color
because toner is low.
Black formation method does not
match application.
Remedy
Replace image drum.
Change toner cartridge.
•
•
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.
ES 3037/3037e Windows Troubleshooting • 440
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.