![]() ![]() I managed to do a laser spot test, which activated the galvos and moved the spot to nearly the same location as where the original was. When I powered on the machine and closed the lid, the laser came on immediately (even though nothing was printing). The swap was easy I installed it exactly the same way the original was installed (same offset, similar rotation, plugged in the same way with wire lead colors matching). The replacement (on the right) is ever so slightly smaller in diameter (by about 0.3mm): Here are the two laser modules side by side (original on the bottom the replacement is slightly shorter): I ordered one, but didn’t share their luck. ![]() I talked to someone who tried the Aliexpress Form 1/1+ laser replacement module, and said it worked for them: Unfortunately they no longer stock the part. Given a more detailed description of the symptoms, Formlabs Support is fairly confident the issue is the laser. ![]() The prints come out, but as expected the increased exposure worsens resolution and causes small negative features to fuse. I’m able to achieve prints in Black if I triplicate the model in Preform and align them all up together (thereby forcing the laser to make three passes per layer). I’ve gone through two large mirror replacements, a small mirror replacement, and galvo cleaning. Models placed closer to the edges come out much better (although I’ve had to lower my Z-Offset a fair bit to obtain adhesion). Interestingly, the issues are exacerbated near the center of the build platform. Clear prints (mostly) work, but Black is getting pretty awful (even with a brand new tank, brand new resin, etc). ![]()
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