Oki C5100 User Manual page 149

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.
One side of printed pages appears blurred
Possible cause
Top cover is not
properly closed.
One or more of the
toner cartridges is
not seated properly.
Remedy
Store paper within specified temperature and
humidity levels (see "Specifications" on
page 152).
Use recommended paper (see "Media Weight
Designations" on page 11).
Replace toner cartridge (see "Toner Cartridge
Replacement" on page 87).
Remedy
Clean LED with lens cleaner or soft tissue.
Replace toner cartridge (see "Toner Cartridge
Replacement" on page 87).
Remedy
Press the cover release latch and open, then
close, the cover.
Open the top cover and check to be sure that
each toner cartridge is fully seated and that each
toner cartridge lock lever is pushed all the way
back.
C5100 Troubleshooting • 149