Troubleshooting; Error Messages - Oki LE840DT User Manual

5. TROUBLESHOOTING

5. TROUBLESHOOTING
This chapter lists the error messages, possible problems, and their solutions.
If a problem cannot be solved by taking the actions described in this chapter, do not attempt to repair the
printer. Turn off and unplug the printer, then contact an authorised Oki Data service representative for
assistance.

5.1 Error Messages

NOTES:
• If an error is not cleared by pressing the [RESTART] key, turn the printer off and then on.
• After the printer is turned off, all print data in the printer is cleared.
Error Messages
HEAD OPEN
COMMS ERROR
PAPER JAM
WARNING!
Problems/Causes
The Print Head Block is opened in
Online mode.
Feeding or printing has been attempted
with the Print Head Block open.
A communication error has occurred.
1. The media is jammed in the media
path. The media is not fed smoothly.
2. The media is not loaded properly.
3. Wrong Media Sensor is selected for
the media being used.
4. The Black Mark Sensor is not
correctly aligned with the Black
Mark on the media.
5. Size of the loaded media is different
from the programmed size.
6. Media sensor has not been properly
calibrated for the media being used.
Close the Print Head Block.
Close the Print Head Block. Then press
the [RESTART] key.
Make sure the interface cable is correctly
connected to the printer and the host and
the host is turned on.
1. Remove the jammed media, and clean
the Platen. Reload the media
correctly. Press the [RESTART] key.
⇒ Section 5.3.
2. Reload the media correctly. Then
press the [RESTART] key.
⇒ Section 2.3.
3. Turn the printer off and then on.
Select the Media Sensor for the media
type being used. Resend the print job.
4. Adjust the sensor position, then press
the [RESTART] key.
⇒ Section 2.3.1.
5. Replace the loaded media with one
that matches the programmed size,
press the [RESTART] key, or turn the
printer off and then on, select a
programmed size that matches the
loaded media. Resend the print job.
6. Refer to Section 2.10 to set the
threshold. If this does not solve the
problem, turn off the printer, and call a
Oki Data authorised service
representative.
E5- 1
5.1 Error Messages
Solutions