Use a 2.0 mm Allen wrench to loosen the 4 screws securing the front glass door, then remove the front door.
Note: Hold the door to prevent it from falling.
Rotate the upper hydraulic hinge. Use a 2.0 mm Allen wrench to loosen the screw securing the upper hydraulic hinge, then remove the hinge.
Similarly, rotate the lower hydraulic hinge. Use a 2.0 mm Allen wrench to loosen the screw securing the lower hydraulic hinge, then remove the hinge.
Prepare the new upper hydraulic hinge. Put the upper hydraulic hinge in the installation position by aligning its outer edge with the printer's front border.
Use a 2.0 mm Allen wrench to secure the screw securing the upper hydraulic hinge, then rotate the hinge to horizontal position.
Put the lower hydraulic hinge in the installation position by aligning its outer edge with the printer's front border.
Use a 2.0 mm Allen wrench to tighten the screw securing the lower hydraulic hinge, then rotate the hinge to horizontal position.
Prepare the new glass front door. Put it in the installation position by aligning it with the screw holes.
Use a 2.0 mm Allen wrench to tighten the 4 screws securing the front door.
Check that the front door can be opened and closed smoothly, then the printer is ready for use.