My printer is displaying the following message - 122.03 Service Fuser Error. Can you tell me what this means?

This means the fuser unit is defective and needs to be replaced.

Depending on your location you need one of the following parts
40X5437 Fuser assembly, 115 V
40X5438 Fuser assembly, 230 V
40X5439 Fuser assembly 100 V

Replacing the fuser is not very difficult but you will have to follow certain steps.
1. Remove the right cover assembly.

2. Remove the left cover.

3. Disconnect the two-wire fuser cable from the LVPS.



4. Position the fuser cable so that it can be pulled through from the front of the printer, and guide the cable through to the front.
Warning: Be careful not to damage the cable by pulling too hard or cutting the cable insulation.


5. Remove the screw and grounding washer (1) on the right side of the frame.
Note: Be careful not to lose the grounding washer.
6. Disconnect the thermistor cablesMy printer is displaying the - future_child_1.gifc="/uploads/images/future_child_1.gif" alt="future_child_1.gif" class="h_mi" />

7. Remove the exit deflector and bin full sensor flag

8. Remove the bin full sensor

9. Unhook the springs (3 My printer is displaying the - future_child_2.gifides of the fuser.