Prepare the new motherboard cooling fan. Put the new motherboard cooling fan in the installation position by aligning it the the screw holes.
Use a 2.0 mm Allen wrench to tighten the 2 screws securing the motherboard cooling fan.
Insert the ribbon cables of the motherboard cooling fan into the motherboard port.
Put the bottom cover of the printer in the installation position by aligning it with the foot pad holes and screw holes. Use a 2.0 mm Allen wrench to tighten the 10 screws securing the bottom cover of the printer.
Power on the printer. Try to print a test model to ensure there is no error. Then, the printer is ready for use.