Issues like these can be tricky to diagnose and our support team is going to be best suited to go through troubleshooting steps with you. The laser spot test isn’t a useful troubleshooting step so it’s not something we use much, but ruling out the laser flare issue is certainly something we’ll look into. Is the resin expired by chance? Expired resin can lead to issues like you’re seeing and it might be worth attempting prints with a different cartridge and tank to see how they differ.