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Bambu Lab
Bambu Lab P1S
Enclosed CoreXY with a nominal 256 × 256 × 256 mm build volume. Compared with P1P it includes panels, glass and additional ventilation. Similarity between models does not establish compatibility for every part.
Assessed from documentation Updated on October 4, 2026
How to recognize it: Check the full model name on the label or in device information. Combo denotes an AMS bundle: check installed accessories and any modifications separately.
Technical specifications
Manufacturer specifications for the listed configuration. Notes identify accessories, measurement conditions and calculated values.
Technology and structure3
| Technology | FDM |
|---|---|
| Kinematics | CoreXY |
| Build area shape | Rectangular |
Build area and volume4
| Build area X | 256 mm |
|---|---|
| Build area Y | 256 mm |
| Build area Z | 256 mm |
| Build volume | 16.7772 L Calculated from nominal X × Y × Z dimensions. |
Hardware5
| Enclosed as standard | Yes |
|---|---|
| Extruder type | Direct drive |
| Standard nozzle | 0.4 mm |
| Available nozzle diameters | 0.2, 0.4, 0.6, 0.8 mm |
| Nozzle material | Stainless steel |
Temperatures2
| Maximum hotend temperature | 300 °C |
|---|---|
| Maximum bed temperature | 100 °C |
Speed and performance2
| Maximum travel speed | 500 mm/s |
|---|---|
| Maximum acceleration | 20,000 mm/s² |
Features3
| Filament runout sensor | Yes |
|---|---|
| Camera | Built in |
| Air filtration | Activated carbon |
Dimensions and weight4
| Machine width | 389 mm |
|---|---|
| Machine depth | 389 mm |
| Machine height | 458 mm |
| Net weight | 12.95 kg |
Technical sources: P1P, P1S — specifiche e confronto · P1P — specifiche tecniche ufficiali
Undocumented specifications (29)
- Shared dual-nozzle area X: Not documented
- Shared dual-nozzle area Y: Not documented
- Shared dual-nozzle area Z: Not documented
- Installed toolheads / extruders: Not documented
- Filament diameter: Not documented
- Build plate: Not documented
- Chamber heating: Not documented
- Maximum chamber temperature: Not documented
- Advertised maximum print speed: Not documented
- Advertised typical print speed: Not documented
- Maximum volumetric flow: Not documented
- Minimum layer thickness: Not documented
- Maximum layer thickness: Not documented
- Multicolor system: Not documented
- Colors with documented configuration: Not documented
- Automatic leveling: Not documented
- Power loss recovery: Not documented
- Control display diagonal: Not documented
- Control display: Not documented
- Connectivity: Not documented
- Listed slicers: Not documented
- Firmware: Not documented
- Internal storage: Not documented
- Manufacturer-listed materials: Not documented
- Rated power: Not documented
- Power supply: Not documented
- Advertised noise: Not documented
- Leveling method: Not documented
- Advertised Z accuracy: Not documented
No published compatibility for this printer.
Accessories with verified compatibility
| Accessory | Printer variant | Status |
|---|---|---|
| BIGTREETECH Panda CryoGrip Pro for Bambu Lab Bambu Lab A1 / P1 / X1 / P2S / X2D | P1S (anche bundle Combo / AMS) | Compatibility declared by the seller Verified on October 12, 2026 Model listed by the seller for this version. No hands-on test. |
| IdeaFormer double-sided PEI plate for Bambu Lab A1 / P1P / P1S / X1 / X1 Carbon / X1E — 257 × 257 mm | P1S (anche bundle Combo / AMS) | Compatibility declared by the seller Verified on October 12, 2026 Model listed by the seller; 256 × 256 mm build area documented by the manufacturer. No hands-on test. |
| Phaetus Cobweb/POPweb build plate for many printers Bambu Lab A1 / P1 / X1 / P2S / X2D | P1S (anche bundle Combo / AMS) | Compatibility declared by the seller Verified on October 12, 2026 Model listed by the seller for this version. No hands-on test. |
Related guides
General guides help identify print defects. Follow the manual for your exact model and variant for disassembly, maintenance and calibration.
- First layer not sticking: causes and checks
How to recognise a first layer that is too high, too squished or uneven and fix it in order: plate cleaning, slicer profile, leveling, Z offset. Based on official guidance from Bambu Lab, Prusa, Creality, Elegoo and Anycubic.
- Warping: corners lifting off the bed with ABS, ASA, PETG and PLA
Why corners curl and how to reduce it: plate cleaning, drafts, enclosure, bed temperature, brim and ears, cooling and glue. Based on official guidance from Bambu Lab and Prusa and on user experience.
- Clogged nozzle and under-extrusion: find where the blockage is and fix it
How to tell a blockage in the PTFE tube, the extruder or the hotend apart, when to use the needle and cold pull, how to recognise heat creep, and when replacing the nozzle, PTFE tube or gears is actually justified.
- Wet filament: recognise it, dry it and store it
Symptoms of filament that has absorbed moisture, the most sensitive materials, how to dry following Bambu Lab and Prusa official tables without damaging spool or filament, and how to keep it dry.
- Stringing and oozing: how to get rid of filament strings and blobs
How to recognise stringing and oozing, the main causes (wet filament, temperature, retraction, travel moves, nozzle) and the checks to do in order, with official guidance from Prusa, Bambu Lab, Creality and Elegoo.
- Layer shifting: causes and checks in order
Why layers shift along X or Y and how to find the cause: obstructions, collisions with curled parts, belts, pulleys, speed, electronics cooling and motors, with official guidance from Prusa, Bambu Lab, Creality, Elegoo and Anycubic.
- Ringing and ghosting: getting rid of ripples on FDM print walls
What ringing (or ghosting) is, why it appears after corners and lettering, and how to fix it in order: printer surface, loose parts, belts, lubrication, vibration calibration (input shaping), speed and acceleration.
Dates and news
Official documentation
Manuals and guides published by Bambu Lab. Links go to the manufacturer’s site; we consulted them on the date shown.
- Support page
-
- P1P, P1S — official P1 series wiki hub (manuals, maintenance, troubleshooting, spare parts) — English, accessed on October 5, 2026
- Official documentation and manuals page — multiple languages, accessed on October 5, 2026
- Quick start guide
-
- Quick start guide (Quick Start Guide, PDF) — English, accessed on October 5, 2026
- Quick start guide (PDF in Italian) — Italian, accessed on October 5, 2026
- Maintenance
-
- P1P, P1S — periodic maintenance recommendations — English, accessed on October 5, 2026
- P1P, P1S — extruder cleaning and lubrication — English, accessed on October 5, 2026
- P1P, P1S — nozzle cleaning with cold pull — English, accessed on October 5, 2026
- Troubleshooting
-
- Bambu Lab, 4 models — homing and leveling error troubleshooting (X1/P1) — English, accessed on October 5, 2026
- P1P, P1S — troubleshooting: heatbed not heating — English, accessed on October 5, 2026
- P1P, P1S — P1 series frequently asked questions — English, accessed on October 5, 2026
- P1S, X1 Carbon — cleaning filament buildup on the hotend (blob/clumping) — English, accessed on October 5, 2026
- Parts replacement
-
- P1P, P1S — complete hotend assembly replacement — English, accessed on October 5, 2026
- P1P, P1S — XY belt replacement — English, accessed on October 5, 2026
- P1P, P1S — heatbed magnetic sheet replacement — English, accessed on October 5, 2026
- Hardened steel extruder and nozzle upgrade for abrasive filaments — English, accessed on October 5, 2026
- Firmware and software
-
- P1P, P1S — firmware update guide — English, accessed on October 5, 2026
- P1 series firmware download — English, accessed on October 5, 2026
- Technical specifications
-
- P1P, P1S — specifications and comparison — English, accessed on October 5, 2026
Sources
- P1P, P1S — specifications and comparison — Bambu Lab, accessed on October 5, 2026
- P1P — official technical specifications — Bambu Lab, accessed on October 4, 2026