How to fix a jammed nozzle on a ProtoCentre 999

ON the power switch.

Go to prepare .

Click the option , preheat.

Go back to the main menu, check whether the nozzle temperature is increasing to the set temperature.

Remove the teflon tube from the nozzle block.

In some case the teflon tube will not come out free. In this case, increase the temperature to 280 deg and try to remove the teflon tube.

Take the needle, and try to clean it from the top of the nozzle block.

In some case, jammed filament will not come out free. At this case , increase the nozzle temperature to 280deg and remove the nozzle cooler fan.

And try to clean the nozzle from the top with the help of a needle and a nose plier.

If the nozzle is again not clean, try to clean the nozzle by removing the nozzle tip with the help of a nose plier and spanner. Again clean it with the help of a needle.

NOTE: Be careful while removing the nozzle tip. If you extract more pressure on the nozzle tip, it may break. So be careful while doing it.

Reassemble the nozzle tip again with the help of the nose plier and spanner after cleaning the nozzle.

Reinsert the teflon tube.

Go to prepare

click on move axis

Select the extrude

Rotate the knob in clock wise direction and check the extrusion.

Now you can go for the print .