40
6.5.2
Cleaning the fresh powder hopper
When transporting the Fuse Sift, performing certain maintenance tasks, or if you suspect that
your powder is contaminated with fibers or other debris, you may need to empty and clean
the fresh powder hopper.
To clean the fresh powder hopper:
1. If there is clean powder in the hopper that you plan to reuse, empty the hopper by dosing
powder with a 100% refresh rate into one or more empty powder cartridges.
2. Turn on the vacuum by pushing the
Vac
button on the control panel or by tapping the
vacuum hose icon on the touchscreen.
3. Vacuum any debris, clumps, or loose powder on top of the fresh powder hopper lid.
4. Remove the screws holding the fresh powder hopper lid in place using a 2.5 mm Allen
wrench or hex driver. Remove the lid.
5. Vacuum out any remaining powder from the fresh powder hopper.
6. Turn off the vacuum by pushing the
Vac
button on the control panel or by tapping the
vacuum hose icon on the touchscreen.
7. Reinstall the fresh powder hopper lid and fasten it in place with the six 2.5 mm hex screws.
6.5.3
Cleaning the used powder hopper
When transporting the Fuse Sift, performing certain maintenance tasks, or if you suspect that
your powder is contaminated with fibers or other debris, you may need to empty and clean
the used powder hopper.
To clean the used powder hopper:
1. If there is clean powder in the hopper that you plan to reuse, empty the hopper by dosing
powder with a 0% refresh rate into one or more empty powder cartridges.
2. If the sifter is on, tap
Sift
on the touchscreen or push the
Sift
button on the control panel
to turn off the sifter.
3. Lift the grate up using the depression in the back-right corner of the workspace and set
it aside.
4. Turn on the vacuum by pushing the
Vac
button on the control panel or by tapping the
vacuum hose icon on the touchscreen.
5. Vacuum any debris, clumps, or loose powder from the sifter mesh. Be very careful not to
damage the sifter mesh with the vacuum or vacuum hose.
6. Turn the turnbuckles to release the sifter mesh.
7. Remove the sifter mesh.
8. Vacuum out any remaining powder from the used powder hopper.
9. Turn off the vacuum by pushing the
Vac
button on the control panel or by tapping the
vacuum hose icon on the touchscreen.
10. Place the sifter mesh back within the Fuse Sift and refasten all the turnbuckles.
11. Place the sifter grate back over the sifter mesh.
6.5.4
Replacing the vent filter
After extended use, the filter behind the vent becomes clogged with powder and cannot be
adequately cleaned. Formlabs recommends replacing the vent filter after every 50 hours
of use.
To remove and replace the vent filter:
