formlabs Form 4B Manual page 45

Required supplies
Non-reactive nitrile gloves
Paper towels
Plastic tank scraper
To remove cured resin with the cleaning sheet:
1. Put on a new, clean pair of nitrile gloves.
2. Tap the wrench icon on the Home screen. The Maintenance menu appears.
3. Tap Cleaning Sheet. The Print Cleaning Sheet screen appears.
4. Tap Clean. The cleaning sheet begins printing.
5. Once the cleaning sheet is complete:
° Remove the build platform and resin cartridge from the printer.
° Remove the mixer and resin tank from the printer. Place the resin tank on a clean,
flat surface.
6. Prepare several paper towels nearby to collect cured and uncured resin.
7. To remove the cleaning sheet:
° Slide the edge of the plastic tank scraper under the edge of the cleaning sheet.
° Pry with moderate pressure. Slide or pry from different angles or increase pressure to
detach the cleaning sheet from the resin tank. Do not press directly into the resin tank
with the edge of the tank scraper.
° Lift the cleaning sheet out of the resin tank.
° Rest the cleaning sheet on paper towels.
8. To dispose of the cleaning sheet, refer to section 9.1 Disposal of resin and accessories.
9. Clean the plastic tank scraper and work surface.
7.3.2 Removing cured resin manually
The Form 4B comes with a plastic tank scraper, which can be used to remove cured resin from
the interior of the resin tank without damaging it. Remove individual pieces of cured resin from
the resin tank with the plastic tank scraper.
Required supplies
Non-reactive nitrile gloves
Paper towels
Plastic tank scraper
To manually remove cured resin:
1. Put on a new, clean pair of nitrile gloves.
2. Remove the build platform and resin cartridge from the printer.
3. Remove the mixer and resin tank from the printer. Place the resin tank on a clean, flat surface.
4. Prepare several paper towels nearby to collect cured and uncured resin.
5. Rest the edge of the plastic tank scraper on the interior of the resin tank. Skim the surface.
Search for obstructions that indicate cured resin stuck to the resin tank.
Troubleshooting | 41