Formlabs Form 4B - Finishing and Post-Processing a Print

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To start a print on the printer’s touchscreen:
1. Tap the print job on the Home screen, or from Queue. The print job screen appears.
2. Tap Print to confirm. A new screen appears.
3. Follow the prompts on the touchscreen to check the resin tank and cartridge are inserted
correctly, then tap Confirm. The print starts once the resin in the resin tank has reached
its optimal temperature.
5.4.4 Stopping a print
To stop a print in progress, tap Pause > Abort on the printer’s touchscreen.
Moving parts. Do not open the printer cover until the printer’s touchscreen indicates
the print is complete. Moving parts present crushing and tangling hazards.
5.5 Finishing and post-processing a print
Finishing and post-processing includes all steps after printing. Bring a 3D model from a digital
file to a functional print with the following steps. For detailed guidance and visual assistance,
visit support.formlabs.com.
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
with plenty of soap and water.
To finish and post-process a print:
1. Put on a new, clean pair of nitrile gloves.
2. When the print is complete, open the printer cover and lift up the platform lock.
3. Use both hands to grip the handles and remove the build platform from the printer.
4. Close the printer cover.
5.
Wash the print in the Form Wash, Form Wash (2nd Generation), Form Wash L, Form4B Finish
Kit, or a Formlabs-approved third-party large-format ultrasonic cleaner. Formlabs products,
such as the Form Wash L, can be used with either isopropyl alcohol or tripropylene glycol
monomethyl ether as a washing solvent.
Fire hazard: Isopropyl alcohol is a flammable chemical. Keep away from ignition
sources, including open flames, sparks, or concentrated sources of heat.
6. Remove the solvent from the print.
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If your solvent evaporates readily (e.g., isopropyl alcohol), allow at least 30 minutes for
the solvent to fully evaporate after washing.
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If your solvent does not evaporate readily (e.g., tripropylene glycol monomethyl ether),
wash the prints with water to remove excess solvent.
7. Dry your prints. Ensure all prints are fully dry and free of excess solvent, resin, and other
liquids before post-curing.
8. Post-cure your print with the Form Cure, Form Cure L, or a Formlabs-approved third-party
large-format SLA post-curing unit to achieve a part’s full mechanical properties.
9. Post-process your print by removing supports, sanding down blemishes, and adding paint.
CAUTION
WARNING
DANGER