I'm writing to see if anyone has had a problem with the Benchmark Immunostainer when the EZ Prep fails to prime. This usually occurs within the first 45 minutes of a run, no alarm sounds, but the run completely stops. I have cleaned the filter nipple, cleaned the EZ prep containers, gotten a pipette and sucked out the fluid from the lines, cleaned any "fish" in the lines, and given the unit a good kick in the pants. Ventana has sent their repairman to fix this "nonexisting" problem, and he has changed all the filters, lines, hoses, etc, whatever could be replaced, with no resolution of the problem. Any suggestions??? Thank you so very much!
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