Bambu Lab P2S

The Bambu Lab P2S is the successor to the P1S with higher print speeds up to 700 mm/s, 32-bit STM32 electronics, improved part cooling, and an updated AMS 2 with humidity auto-calibration (256×256×256 mm build volume, enclosed chamber, bed strain gauge). This category is built for owners weighing an upgrade from the P1S and trying to quantify the real time savings on a typical model, working through first firmware errors on the fresh release, and picking mods that improve reliability on long ABS and ASA runs in the enclosed chamber (including electronics heat protection under sustained load).

Three scenarios dominate P2S support threads: first-layer drift after long sessions in a hot chamber, AMS reliability with third-party spools, and bearing noise after the first 200 hours. If you just unboxed it, start by rolling back to a stable firmware branch. After six months of prints, check feeder gear quality and corner-by-corner first-layer geometry. Before swapping the plate, verify chassis level.

Related reads: the cross-printer FDM troubleshooting hub and the Bambu Lab P2S card with up-to-date configuration.