¶ Tools and Materials
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1.5 mm Allen key x 1
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2.0 mm Allen key x 1
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2.5 mm Allen key x 1
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A new nozzle assembly
¶ Instruction
¶ Preparation
Power off the printer and unplug the power cord.
¶ Remove the rear cooling fan assembly
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Unplug the cables of the rear cooling fan assembly.
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Using a 2.5 mm Allen key, loosen the three screws securing the rear cooling fan assembly.
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Remove the rear cooling fan assembly.
¶ Remove the print head assembly
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Using a 1.5 mm Allen key, loosen the two screws securing the connection cable of the print head.
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Disconnect the connection cable of the print head.
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Using a 2.0 mm Allen key, loosen the four screws securing the back of the print head assembly.
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Using a 2.0 mm Allen key, loosen the two screws securing the front cover of the print head.
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Remove the print head assembly.
¶ Remove the old nozzle assembly
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Remove the front cover of the print head.
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Unplug the cables of the ceramic heating sheet and the thermistor from the adapter board of the print head.
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Using a 2.0 mm Allen key, loosen the screw securing the connection unit.
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Remove the connection unit.
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Using a 2.0 mm Allen key, loosen the two screws securing the nozzle assembly.
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Remove the old nozzle assembly.
¶ Install the new nozzle assembly
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Prepare a new nozzle assembly. Align the nozzle assembly with the screw holes and put it in the installation position.
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Using a 2.0 mm Allen key, tighten the two screws securing the nozzle assembly.
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Align the connection unit with the screw holes and put it in the installation position. Using a 2.0 mm Allen key, tighten the screw securing the connection unit.
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Insert the cables of the ceramic heating sheet and the thermistor into the port on the adapter board.
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Install the front cover of the print head.
¶ Install the print head assembly
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Prepare the print head assembly. Align the print head assembly with the screw holes and put it in the installation position.
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Using a 2.0 mm Allen key, tighten the two screws securing the front cover of the print head.
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Using a 2.0 mm Allen key, tighten the four screws securing the back of the print head assembly.
¶ Install the rear cooling fan assembly
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Prepare the rear cooling fan assembly. Align it with the screw holes and put it in the installation position.
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Using a 2.5mm Allen key, tighten the three screws securing the rear cooling fan assembly.
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Plug the cables of the rear cooling fan assembly.
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Insert the connection cable of the print head into the port.
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Using a 1.5 mm Allen key, tighten the two screws securing the connection cable port of the print head.
¶ Restart the printer
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Plug in the power cord and power on the printer.
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Feed the filament into the extruder.
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Heat up the nozzle and load the filament. On the touchscreen, select Prepare - Temperature - 220℃.
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After the nozzle heating to the set temperature, click Extruder - Load. Observe that the nozzle can extrude the filament successfully.
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The printer is ready for use after it is re-leveled.