Oki C130n User Manual page 144

Symptom
You are
experiencing
duplex
problems.
You hear
unusual
noises.
Media is
wrinkled.
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Cause
Media or settings are not
correct.
The printer is not level.
The tray is not installed
correctly.
There is a foreign object
stuck inside the printer.
The media is moist from
humidity or having water
spilled on it.
The media feed roller or
fuser unit is defective.
Unsupported media (wrong
size, thickness, type, etc.) is
being used.
144 - C130n User's Guide
Solution
For autoduplexing, make sure that you
have a duplex option installed.
Make sure that you are using correct
media.
" Only Letter/A4 plain paper can be
autoduplexed.
" Do not duplex labels, postcards,
thick stock, letterheads, or plain
paper with a size other than Letter/
A4.
" Make sure that you have not mixed
media types in Tray 1.
Make sure the duplex option is installed
and declared in the Windows printer
driver (Properties/Configure tab).
In the printer driver (Layout tab),
choose "Double-sided".
Place the printer on a flat, hard, level
surface.
Remove the tray that you are printing
from and reinsert it completely into the
printer.
Turn off the printer and remove the
object. If you cannot remove it, contact
Technical Support.
Remove the moist media and replace it
with new, dry media.
Check them for damage. If necessary,
contact Technical Support with the
error information.
Use good quality recommended media.
See "Print Media" on page 53.