The print sticks to the vat film (FEP)
10 usi3d guides for “The print sticks to the vat film (FEP)”, each with the likely causes, how to check which one is yours and the step-by-step fix, with each manufacturer's official sources.
3 apply to any resin printer and 7 are for Anycubic, Elegoo, Formlabs and Prusa printers.
Each guide summarises the official documentation and says whether usi3d has already verified it on a machine.
Any resin printer (3 guides)
- Cured resin debris floating in the vat
After a failed print, bits or sheets of hardened resin float in the vat or stick to the film, and the next parts come out with holes or fail.
- Levelling the build plate of a resin printer
The bottom layers do not stick on one side or in one corner, come out squashed and very thin or are missing, and the part stays on the film.
- The print sticks to the vat's FEP film
When it finishes, the part or a sheet of cured resin is stuck to the film at the bottom of the vat instead of the build plate.
Anycubic (3 guides)
- Photon Mono M7 Pro or M7 Max: warnings about residue in the vat, not enough resin, or model fell off/incomplete
The Photon Mono M7 Pro or M7 Max stops or warns with «Residue detected», that there is not enough resin left in the vat, or «Print abnormality, model fell off the…
- Photon Mono M7 Pro: replacing the ACF film (bumps, cured resin, leaks or code 305)
On the Photon Mono M7 Pro the ACF film of the resin vat has bumps, wrinkles, stains or cured resin on it, it leaks resin, the printer reports «Residue detected, please…
- Photon Mono M7 Pro: the print does not stick to the build plate or leveling fails (code 303)
On the Photon Mono M7 Pro the print cures stuck to the ACF film of the resin vat instead of the build plate, only the base sticks, or the printer reports «Leveling…
Elegoo (2 guides)
- Saturn 4 Ultra 16K: replacing the PFA film of the resin tank, or the tank leaks resin
The PFA film of the Saturn 4 Ultra 16K resin tank is whitened, scratched, damaged or aged, resin escapes from the tank and cured resin appears on the LCD, or prints come…
- Saturn 4 Ultra 16K: the print stays in the resin tank or comes off the build plate
On the Saturn 4 Ultra 16K the base of the print does not stick to the build plate, the print comes off and falls into the tank at some height or in the centre of the…
Formlabs (1 guide)
- Form 4: debris in the tank (errors 1.1.6, 1.1.7, 1.7.2, 1.7.3), damaged film or tank not detected
After a failed print, the Form 4 or Form 4L reports that the mixer hit debris (1.1.6 or 1.7.2) or that the build platform found debris when lowering (1.1.7, 1.7.3 or…
Prusa (1 guide)
- SL1S SPEED: the print does not stick to the platform and stays on the film
When the platform rises there is nothing attached; when you take out the tank there is a layer or blob of cured resin stuck to the FEP film.
Products that may help
Products from the usi3d shop that fit these guides, chosen for the fit and not for the commission. Check that they work with your printer before buying.
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