OKI X400 Manual De Usuario

3. 

Press down firmly on both print head latches to confirm that they 
are closed.   

4. 

Confirm that the printer ERROR indicator is off.   

5. 

Print a self-test label as described on page 10.   

6. 

Restart the printer.   

7. 

Press the FEED button to confirm that the printer will feed a blank 
label or last printed label.   

8. 

Review the common problems described in the following section.   

9. 

If these steps do not correct the problems, contact your dealer or our 
Technical Support Department.   

 

Note   

The information here assumes you are using label printing   

software. If you are programming the printer, please review   
the information in the OKIPOS X400 Manual.pdf file located 
on the 

 

Common Problems And Their Solutions   

Double-check the AC source and the power supply connections. 
Disconnect the cable between the printer and host, then restart the printer. 
If the POWER light becomes lit with the host disconnected, suspect a 
host computer or cabling problem.   

1. 

If both ERROR and POWER indicators are flashing in unison, it 
means media error (media out or gap was not detected).   

2. 

If ERROR and POWER indicators are flashing alternately, it means 
ribbon empty or ribbon not installed.   

3. 

POWER is lit and ERROR is flashing   

4. 

Flashing ERROR indicator:   

 

• Long OFF, shorter ON: Cover is open or there is problem in 

cover sensor.