FLSUN S1 Pro 3D Printer, Max 1200mm/s High Speed & Precision, 350°C High Temp Extruder & Full-Auto Calibration,65°C Heated Chamber, ≤55dB Quiet FDM 3D Printers,Large Build Size 13"x13"x17"

I would not reccomend this printer to my worst enemy. It has extremely poor print quality out of the box. Also it does not print at the speeds it says it can. If you reduce the speed a lot, tighten all the control joints, and modify the slicer settings a lot then you can get it to print sorta okay. The debris detector constantly fails positive and stops a print even when there is no debris. Also after just a few months the power system started failing. Now whenever the extruder starts heating the system shuts down. I have also had similar power system failure issues with other FLSUN printers, so its not just this model. Basically its really expensive landfill. You're better off with almost any other printer in my opinion.

Printer is amazing, the quality is tolerable at max speed, but comes out great at 160% speed, have ran 5 prints first day and must say this is easily my favorite printer. Printed 3 items with PETG-CF and am very happy with how they came out. Still was not prepared for how huge it is.

This printer has been a complete nightmare trying to deal with Customer Service across the world is even worse. I’ve owned two bamboo labs printers and not had any issues, first the limit switch is tripping which I guess is a known problem I’ve managed to fix that on my own second even with the power switch off it keeps running the only way to get it to turn off is unplugged it third my prince now are just failing it won’t even start and it gives me an unknown error how am I gonna diagnose this with an unknown error. Their support wants you to send videos and logs and spend hours dealing with this this is a $1500 paper wait at this point!

I've had this item for 4 months now. I've been able to produce 2 prints (total of maybe 20 hours working time). The rest of the time has been sitting around waiting on replacement parts. The effector has needed to be replaced twice, one of the arms needs to be replaced, still haven't received the item despite ordering about a month ago from the manufacturer website. I pray that anyone that is thinking about purchasing one of these read some of the reviews and think twice before wasting a couple grand in an oversized paper weight

I love this printer. I have created some amazing print from the 3d printer BUT I have not been able to get a new hot a replacement for 74 days ( since Nov 30.2025) I keep email support and they say they are working to get new ones back into stock . Flsun is not a reliable company. I was a loyal Flsun customer but now I’m gonna go buy bamboo. I hope this review helps someone stay away from Flsun the printer .