formlabs Form 4B Manual page 37

6.5.1 Inspecting the cover
Visually inspect the cover for traces of resin, cracks, or other damage. Clean the cover with
a non-abrasive microfiber cloth and soapy water or a general purpose cleaner, such as glass
cleaner. In the case of a crack that allows light to pass through the cover, install a new cover.
Refer to section 8 Disassembly and repair for more information.
6.5.2 Inspecting the display
Visually inspect the display for any traces of resin. the display with a non-abrasive microfiber
cloth and general purpose cleaner, such as glass cleaner.
6.5.3 Inspecting the drip catcher
Visually inspect the drip catcher for any traces of resin. Clean the drip catcher with isopropyl
alcohol and low-fiber paper towels.
Moving parts. Disconnect the machine from its power source. Moving parts present
crushing and tangling hazards.
WARNING
Skin irritant: Resin and solvent may cause skin irritation or an allergic skin reaction.
Wear gloves when handling liquid resin, resin-coated surfaces, or solvent. Wash skin
WARNING
with plenty of soap and water.
Required supplies
Isopropyl alcohol
Low-fiber paper towels
Non-reactive nitrile gloves
To inspect and clean the drip catcher:
1. Put on a new, clean pair of nitrile gloves.
2. Disconnect the printer from its power source.
3. Remove the build platform, resin tank, and resin cartridge to access the drip catcher, which
is the area below the tank spout or under the cartridge dispense arm.
4. Visually inspect the drip catcher.
5. Clean any traces of resin or contamination with isopropyl alcohol and low-fiber paper towels.
6.5.4 Inspecting the shells
Visually inspect the rear, front and side shells for traces of resin or other damage. Clean any
traces of resin or contamination with soapy water and low-fiber paper towels.
6.5.5 Maintaining the Z-axis screw
The build platform mount rides along the Z-axis lead screw. The screw must be lubricated for
the build platform mount to move smoothly and quietly.
Moving parts. Disconnect the machine from its power source. Moving parts present
crushing and tangling hazards.
WARNING
6.5.5.1 Inspecting the Z-axis screw
Visually inspect the Z-axis screw to ensure that the build platform mount moves smoothly and
that there is no debris built up in the screw threads.
Maintenance | 33