Oki CX2731MFP Advance User Manual page 251

Code Message
320 Please check
Fuser Unit: 320
Please see Help
for details
330 Please check Belt
Unit: 330
Please see Help
for details
321 Power Off and
wait for a while:
321
Please see Help
for details
310 Check top cover:
%ERRCODE%
311
316
Close the top
cover
Please see Help
for details
ADF cover open
Please see Help
for details
MC361/MC561/CX2731 MFP Advanced User's Guide
<STATUS>
key
Blinks
Blinks
Blinks
Blinks
Blinks
251
– Issues: Error Messages
Cause/Remedy
The fuser unit is not properly
installed.
Reinstall it properly.
The belt unit is not properly
installed.
Reinstall it properly.
Motor Driver IC overheat is
detected.
Turn the MFP off and wait for
a while.
The top cover is open.
Close the top cover.
The ADF cover is open.
Close the ADF cover.