Enclosed CoreXY 256 mm cube printer with activated-carbon filtration and a monochrome button UI, sold with or without the four-spool AMS.
256 x 256 x 256 mm advertised. Bambu's own footnote sets the default printable height in Bambu Studio to 250 mm to prevent heatbed collisions, and notes the collapsible filament-cutter stopper occupies part of the print area when popped out
Advertised dimensions; check usable space and variants.
300 C claimed max hot-end temperature
Published limits; hardware and firmware limits may differ.
From $369.00 (base P1S) on the Bambu Lab US store, Aug 2026, against a stated typical price of $399.00; with the P1S AMS 2 Pro Combo variant selected the same page shows $539.00 against a typical $579.00
Dated listing, not a live offer. Read the configuration and region.
Understand the hardware, explore compatible changes and find a diagnostic starting point when something goes wrong. Expand the specification sections for every recorded value, condition and original reference.
Dimensions, construction and the hardware that moves the print.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Manufacturer & exact marketed model name (verify the exact product identity first) | Bambu Lab P1S. Store title: "Bambu Lab P1S 3D Printer" | 1 source |
| Street price (USD; dated snapshot per entry) | From $369.00 (base P1S) on the Bambu Lab US store, Aug 2026, against a stated typical price of $399.00; with the P1S AMS 2 Pro Combo variant selected the same page shows $539.00 against a typical $579.00 | 2 sources |
| Variants & sibling models — and how to tell them apart (spec-contamination risk) | Enclosed version of the P1P and mechanically the same motion platform. Three SKUs on one product page: P1S, P1S AMS Combo and P1S AMS 2 Pro Combo (the AMS 2 Pro adds active filament drying). Sibling figures that get mixed up: net weight 12.95 kg (P1S) vs 9.65 kg (P1P); depth 389 mm vs 386 mm; ABS/ASA Ideal (P1S) vs Capable (P1P). Also distinct from the 2026 P2S, which is a different machine (600 mm/s, 110 C bed, 5-inch touchscreen, 14.9 kg) | 2 sources
|
| Market position: superseded? successor announced? | Still sold in Aug 2026, but Bambu now markets the P2S as "The Classic Evolves" above it in the same enclosed-CoreXY slot | 2 sources
|
Jericho’s riser provides a printed support between a glass top and the AMS. Confirm the surrounding enclosure, clearance and chosen print material for your setup rather than treating a printed riser as temperature-certified hardware.
Applies to: Creator lists P1P and P1S with a glass top. An open, stock P1P needs the corresponding enclosure/top arrangement.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Build volume X×Y×Z (mm) — advertised vs actually usable | 256 x 256 x 256 mm advertised. Bambu's own footnote sets the default printable height in Bambu Studio to 250 mm to prevent heatbed collisions, and notes the collapsible filament-cutter stopper occupies part of the print area when popped out | 1 source |
| Machine footprint (mm) & clearance needed (cable/spool overhang) | 389 x 389 x 458 mm; package 485 x 480 x 530 mm | 1 source |
| Net weight (kg) | 12.95 kg net, 17.60 kg gross; the AMS Combo ships at 21.60 kg gross and the AMS 2 Pro Combo at 21 kg gross | 1 source |
| Frame construction & material | Steel chassis (shared with the P1P) inside plastic and glass panels | 1 source |
| Enclosure: open / enclosed; panel material; door/lid | Fully enclosed - plastic and glass panels with a glass front door and lid, plus an activated-carbon air filter. No active chamber heater; the chamber temperature regulator fan is closed-loop controlled | 1 source |
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Kinematics (bedslinger i3 / CoreXY / other) | CoreXY driven by two stepper motors, each with an independent belt to the printhead; the P1P and P1S share the same motion system | 1 source
|
| Z-axis: leadscrew count & type, sync mechanism, anti-backlash | Three leadscrews belt-driven from a single stepper motor, whole bed moving in Z; manual tramming by three knobs under the bed, no motorised Z-tilt | 1 source
|
| Belts (type, width, e.g. Gates?) | Rear adjustable belt tensioners with a Belt Tension Monitor | 1 source
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max print speed (claimed, mm/s) | 500 mm/s max toolhead speed (manufacturer claim); no independent measurement found | 1 source |
| Max acceleration (claimed, mm/s²) | 20 m/s2 = 20000 mm/s2 max toolhead acceleration (manufacturer claim) | 1 source |
Extrusion, heating, leveling and material handling.
Filament debris and wear in the extruder can contribute to clogs and inconsistent flow. Bambu documents inspection, cleaning and lubrication for the P1 extruder, with reassembly checks before printing again.
Applies to: P1P / P1S. Use the P1 electrical connectors and cleaning procedure; the X1 complete hotend is a different assembly.
Bambu lists a hardened extruder gear assembly for the P1 series as an alternative to the stock stainless assembly. Pair the drive-path change with a suitable hardened nozzle and the material’s requirements; the gears alone do not make every abrasive filament suitable.
Applies to: P1P / P1S gear assembly. Select the matching P1 hotend components; do not assume the P2S uses this assembly.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Type (direct drive / bowden) & design name | Direct drive; the service part is the "Stainless Steel Extruder Unit (P1 series)" | 1 source
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Hotend design (proprietary/standard; quick-swap mechanism?) | All-metal all-in-one hotend with the nozzle integrated into the heatblock, replaced as a unit; 0.4 mm stainless-steel nozzle included, 0.2/0.6/0.8 mm optional | 2 sources
|
| Max nozzle temp claimed AND firmware max temp limit (both values) | 300 C claimed max hot-end temperature | 1 source |
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max bed temp claimed AND firmware limit | 100 C max build-plate temperature | 1 source |
| Bed surface (material, texture, coating), single/double-sided | Textured PEI plate; Cool Plate, Engineering Plate and High Temperature Plate compatible | 1 source |
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe) | Nozzle-touch probing using three ceramic force (piezo) sensors mounted under the heatbed - Z homing is done by detecting the force of the nozzle contacting the bed | 2 sources
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Filament runout sensor (type, location) | Yes - filament run-out sensor | 1 source |
| Multi-material/multi-color capability or official upgrade path | AMS-compatible; sold as P1S AMS Combo and P1S AMS 2 Pro Combo, up to 16 colours with four AMS units | 1 source |
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Part-cooling fan(s): count, size, ducting design | Part-cooling fan plus auxiliary part-cooling fan, control-board fan and chamber temperature regulator fan, all closed-loop controlled (all four are merely Optional on the P1P) | 1 source |
| Chamber/exhaust fan & filtration (activated carbon / HEPA) | Chamber temperature regulator fan with an activated-carbon air filter | 1 source |
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Officially supported filament list | Ideal: PLA, PETG, TPU, PVA, PET, ABS, ASA. Capable: PA, PC | 1 source |
Firmware, controls, connections and calibration.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Total rated power draw | 100-240 VAC 50/60 Hz; 1000 W at 220 V, 350 W at 110 V | 1 source |
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Firmware base & current version (Klipper fork / Marlin fork / proprietary) | Closed-source proprietary firmware - not a Klipper or Marlin derivative, and no printer-firmware source is published. The bambulab GitHub organisation carries 11 repositories (Bambu Studio, wxWidgets/boost/ffmpeg forks, the wiki); none is printer firmware. Updates are delivered over the air via Bambu Studio / Bambu Handy | 1 source |
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Display: size, type, touch? | 2.7-inch 192x64 monochrome screen, not a touchscreen; control by button, app or PC application (P1 series) | 1 source
|
| On-device UI capabilities (model preview, per-object controls, etc.) | Button-driven monochrome on-device UI; job setup happens in Bambu Studio or Bambu Handy | 1 source
|
| WiFi (band/standard), Ethernet, USB ports, SD/flash-drive | Wi-Fi, Bluetooth and Bambu-Bus, microSD card storage, 5 V/1.5 A USB output power (P1 series) | 1 source
|
| Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps) | Low-rate chamber monitoring camera, 1280x720 at 0.5 fps, timelapse supported | 1 source |
Published safeguards, support terms and independent evidence.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Warranty length & support reputation (evidence, not vibes) | 2-year limited warranty for consumers in the US, Canada, the EU, Switzerland, Norway and Iceland; 1 year in the rest of the world. Bambu Lab's own policy records the US/Canada term as a 2026 extension from one year to two | 1 source
|
This guide presents the catalog’s sourced record for this exact model. Source dates belong to each reference; a page update does not mean every specification has been rechecked.
Prices are dated listing snapshots, with configuration, regional and sale conditions. They are not current offers. Unknown values remain unfilled.
Firmware, variants and available accessories can change. Read the original reference before making a purchase or planning a process.
Firmware, modifications and troubleshooting links are checked against the model and stated hardware or firmware revision. A creator’s compatibility claim is not a fit test by this site. Official troubleshooting describes a diagnostic route; individual reports do not establish a failure rate.
This review did not verify firmware customization or update guidance for this exact model. That is a research gap, not a claim that none exist.
3D Printing Info