Let’s say that you are talking about the CARTRIDGES. That’s the correct name.
Formlabs call TANKS to the trays, and CARTRIDGESto the resin holders.
TANKS:
CARTRIDGES:
I have exactly the same issue, but with all cartridges from any resin type! It all started with the latest firmware version. Immediately after the update.
Take a look here
Will now sent the printer back after only about 400hrs of use…
Have you already contacted support?
About reusing the resin: Each cartridge can run a maximum of 3L before the printer consider it is completly used. So you can pour resin from one cartridge to other, just remove the top cap and you are ready to go.
CPinto