Oki C5150n, User Manual

Page: 106 / 163

Troubleshooting • 106
Longitudinal black stripes
Faint shading on unprinted sections
Blurred letter edges
Possible cause Remedy
Image drum is
damaged. Replace image drum (see page 55).
Toner is low. Change toner cartridge (see page 47).
Periodic black
lateral lines or
spots. • If the lines or spots occur at intervals of approximately
44 to 94 mm, the green surface of the image drum is
damaged or dirty. If damaged, replace the image drum
cartridge (see page 55). If dirty, wipe the image drum
gently with soft tissue. If this does not work, replace
the image drum (see page 55).
• If the lines or spots occur at intervals of approximately
113 mm, the fuser roller is damaged. Change the fuser
(see page 70).
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 (see page 55).
Possible cause Remedy
Paper has been
affected by static
electricity. Store paper within specified temperature and
humidity levels (see “Specifications” on
page 113).
Paper is too thick. Use recommended paper (see “Media Weight
Designations” on page 10).
Toner is low. Replace toner cartridge (see “Toner Cartridge
Replacement” on page 47).
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 (see “Toner Cartridge
Replacement” on page 47).