When the JAM DUPLEX message appears, the following LED indications is shown on the control panel. The Error LED is flashing.

Please follow the steps below to solve the problem:

1. Pull the paper tray completely out of the machine.
2. Pull the duplex tray completely out of the machine.
   
   
   
   
3. Pull the jammed paper out of the machine or the duplex tray.
   
   
4. Make sure that the jammed paper does not remain under the machine from static electricity.
   
   
5. Put the duplex tray back in the machine.
6. Put the paper tray firmly back in the machine.
7. Open the front cover.
   
   
   
   

   To prevent any degradation to the print quality, DO NOT touch the shaded parts shown in the illustrations.

   
8. Slowly take out the drum unit and toner cartridge assembly.
   
   
   • We recommend that you put the drum unit and toner cartridge assembly on a piece of disposable paper or cloth in case you accidentally spill or scatter toner.
   • To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration.
     
     
9. Push down the green lock lever and take the toner cartridge out of the drum unit. Clear the jammed paper if there is any inside the drum unit.
   
   
   • Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once
   • To prevent damage to the machine from static electricity, DO NOT touch the electrodes shown in the illustration.
     
10. Put the toner cartridge back into the drum unit until you hear it lock into place. If you put the cartridge in properly, the green lock lever will lift automatically.
    
    
11. Put the drum unit and toner cartridge assembly back into the machine.
    
    

    Please confirm that you have installed both a toner cartridge and a drum unit in the machine. If you have not installed a drum unit or have installed the drum unit improperly, then this may cause a paper jam in your Brother machine.

    
12. Close the front cover.
13. Make sure that the Error LED is off and then, the Ready LED lights. If the machine does not start printing automatically, press the Go button.