Troubleshooting and Repair | 31
Error Cause Solution
Undeveloped Feature
A void of missing
material forms within a
print and widens as the
print builds away from
the build platform.
Debris/damage in resin tank
Model orientation, layout, and/or
support issues
Contaminated optical surfaces
Consider the following:
• Check the resin tank for debris
or damage.
• Check the model in PreForm.
• Check cleanliness of optical surfaces.
Dimensional Inaccuracy
Models consistently
print with slightly
dierent dimensions
than designed.
The models’ configuration in
PreForm and printer’s Fine Tuning
settings are not optimized.
Use the X/Y Fine Tuning tool to
correct any consistent discrepancies
in measurement between the model’s
design and printed results. The X-axis
refers to the left-to-right direction on the
build platform. The Y-axis refers to the
front-to-back direction.
Holes or Lines
Models have linear cuts
or holes.
Obstructions in the optical path
block the laser from curing resin
in a specific part of the model.
Consider the following:
• Check the underside of the resin tank
for debris or damage.
• Check cleanliness of optical surfaces.
7.5 Disassembly and Repair
All steps that involve opening the printer and/or investigating internal components
should be done by skilled persons under the guidance of Formlabs or a certified
service provider.
Contact Formlabs or a certified service provider to receive repair instructions and authorization,
including how to disassemble or remove the shells.
Task Frequency
Replace the roller holder When the rollers are contaminated by resin or
other debris and unable to roll smoothly
Replace the Light Processing Unit (LPU) When advised by Formlabs or a certified service
provider
Replace the LevelSense board When the resin tank spring fingers are damaged
and cannot be repaired
WARNING
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