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I’m having this issue where I get sheets of hardened resin stuck to the bottom of the vat, which are sometimes pulled up by surrounding material as seen in the photo, but often left at the bottom of the tank too. They seem to form around the central area of the tank and the prints otherwise come out fine. I’ve tried the UV test and a couple dry runs and haven’t noticed anything untoward. Anyone else have similar problems? Is this indication that it’s time too replace the screen?

EDIT: Also my screen is ~1.5 years old so based on what I've read I'm lucky it's lasted this long.

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Hey guys, I ran out of Elegoo Clear which was working perfectly for me and unfortunately amazon.ca didn’t have any more so I ordered the Elegoo Yellow instead. Did the resin exposure test and came up with 14s and did a print... it was a mess. It failed pretty majorly and there were flakes of hardened resin attached to random parts of it. Cleaned it all up and found large sheets and clumps of hardened resin on the bottom of the vat in the area of the print. I tried again overnight... same thing. Checked the UV test on the printer, everything seems fine there. Based on the fact that it was working perfectly before I changed resin, I suspect the resin, though I also changed the FEP at the same time so that is also under mild suspicion, but I did make sure to take off the protective sheets from BOTH sides of the fresh FEP this time so it’s not a repeat of that problem. Anyone know what the date on the Elegoo resin means? It says 2019/08/12 so if that’s the expiry date they gave me expired resin. I forgot to take pictures until I was half through cleaning it up. I had already removed the biggest piece of hardened resin from the bottom and put it in alcohol but I put it back for the photo.

EDIT: I checked the screen with my flashlight after removing the tank and it seemed a bit cloudy. Would that be enough to cause this or is it more likely bad resin?

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Hey everyone. I’ve been having problems finding chunks of cured resin in my tank after prints, though it doesn’t ruin the prints, it just creates work and wastes resin. I did a dry run and for some reason there’s a glowy spherical shape down there. Anyone know what’s going on?

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Hey folks, I’ve been having an issue with my printer where I consistently find a blob of cured resin in my vat after prints. My prints come out just fine, so it’s more or less just a waste of resin. It always shows up in the same place but seems to form around where the models are on the build plate. It’s not ambient light since it happens no matter when I print or how I cover the printer to block light. I’ve also tried changing the FEP. Is this a sign that my screen is wearing out and needs to be replaced?

The vat photos are from this morning, the chunk of resin I pulled out is from last week.

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This morning I woke up to my printer chugging away just fine, 8 hours into a 9 hour print, but after sitting in the room for a few minutes, I noticed a beep and I looked over. The loading bar on the printer said it was at 93% but a popup had appeared saying the print had completed. Not only that but when I took a look at the print, it looks like it printed the last layer it completed before it decided to stop at a couple centimeters offset from the rest of the print. Anyone know what could have caused this?

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If I’m reading this correctly I should set my exposure time to 14 but that seems a bit long for what I thought Monocure Rapid Clear should be. Am I reading this correctly?

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I’ve been having a lot of fun with my Photon! It’s even got me to take up mini-painting as a hobby.

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One of my screws holding the two pieces of the resin tank together has become stripped. Does anyone know a good place to get a replacement online?

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Hey, so update to my problem with there being a thin layer of cured resin at the bottom of the vat. I tried a dry run and it seems like there’s a bit of a glow to the entire lcd surface. Does this mean the lcd is defective and needs to be replaced?

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When I finish printing, I keep having thin strips of cured resin stuck to the FEP, but the prints themselves have been turning out completely fine. It’s just a giant pain in the ass since it wastes resin and means I have been having to clean out the vat after every print. Does anyone know what could be causing this? I thought maybe it could be ambient UV light getting it so I made sure my last print was done overnight but I found the same thing this morning.

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