Oki C5100 User Manual page 138

Message
CHECK FUSER
320: FUSER MISSING
CHECK MP TRAY
390: PAPER :JAM
CLOSE COVER
316: DUPLEX COVER OPEN
CLOSE COVER
: COVER OPEN
nnn
INSTALL PAPER
CASSETTE
: TRAY 1 MISSING
430
INSTALL PAPER
CASSETTE
: TRAY 1 OPEN
440
Meaning
The fuser unit is not
properly installed.
Paper has jammed
while exiting the MP
Tray.
The duplex cover is
open or not properly
latched.
Either the top cover
or the front cover is
open.
Tray 1 is not
installed in the
printer.
Tray 1 is not properly
installed in the
printer.
C5100 Troubleshooting • 138
What to Do
Open the top cover and
check to be sure that
the fuser unit is
properly seated in the
printer and that the lock
levers are pushed all
the way toward the
back of the printer:
Clear the jam: see
"Jam 390" on
page 135.
Close the duplex
cover:
Be sure both the top
cover and the front
cover are firmly closed.
Install the missing tray.
Make sure the tray is
pushed fully into the
printer.