3D Printing Info
CoreXYBambu Lab

Bambu Lab H2S

Single-nozzle member of the H2 family: 340x320x340 mm, 350 C hot end, 120 C bed and a 65 C heated chamber in the same body as the H2D.

28 catalog fields5 catalog sources

Model referenceBambu Lab H2S product view
Manufacturer product image · Bambu Lab · Image source
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At a glance

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A closer look

Hardware, software & ownership

Full specifications inside each chapter

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.

Machine & motion

Dimensions, construction and the hardware that moves the print.

Model, variants & pricing3 fields
Bambu Lab H2S — Identity & Market
Property and unitPublished value and conditionsSources and dates
Manufacturer & exact marketed model name (verify the exact product identity first)Bambu Lab H2S; spec sheet header "H2S & H2S Laser Edition Spec Sheet"
1 source
Street price (USD; dated snapshot per entry)From $1,199.00 on the Bambu Lab US store, Aug 2026, against a stated typical price of $1,249.00
1 source
Variants & sibling models — and how to tell them apart (spec-contamination risk)Single-nozzle machine sharing the H2 body. H2S and H2S Laser Edition are covered by one spec sheet: the Laser Edition adds laser safety windows, the air-assist pump and the 3264x2448 BirdsEye camera, and a plain H2S can be upgraded with a Laser Upgrade Kit. Against the dual-nozzle H2D in the same 492x514x626 mm shell: 30 kg vs 31 kg, 340x320x340 mm single-nozzle volume vs 325x320x325 mm
2 sources
Size, frame & enclosure6 fields
Bambu Lab H2S — Physical & Frame
Property and unitPublished value and conditionsSources and dates
Build volume X×Y×Z (mm) — advertised vs actually usable340 x 320 x 340 mm (manufacturer figure)
1 source
Machine footprint (mm) & clearance needed (cable/spool overhang)492 x 514 x 626 mm - the same body as the H2D and H2C
1 source
Net weight (kg)30 kg net
1 source
Frame construction & materialAluminium and steel chassis and shell
1 source
Enclosure: open / enclosed; panel material; door/lidFully enclosed with a door sensor; active chamber heating to 65 C, chamber exhaust and heat-circulation fans, G3 + H12 + coconut-shell carbon filtration
1 source
Passive chamber temperature reached (if enclosed; measured values preferred)Active chamber heating, maximum 65 C (manufacturer figure)
1 source
Motion system1 field
Bambu Lab H2S — Kinematics & Motion Hardware
Property and unitPublished value and conditionsSources and dates
Kinematics (bedslinger i3 / CoreXY / other)CoreXY - not named in the spec sheet; grouped by Bambu with the H2 enclosed CoreXY machines at 20000 mm/s2
1 source
Speed & acceleration3 fields
Bambu Lab H2S — Speed & Acceleration
Property and unitPublished value and conditionsSources and dates
Max print speed (claimed, mm/s)1000 mm/s max toolhead speed (manufacturer claim); no independent measurement found
1 source
Max acceleration (claimed, mm/s²)20000 mm/s2 max toolhead acceleration (manufacturer claim)
1 source
Max volumetric flow claimed (mm³/s)40 mm3/s standard-flow hotend, 65 mm3/s optional high-flow hotend; Bambu's test is a 250 mm round single-wall model in Bambu ABS at 280 C
1 source

Printing system

Extrusion, heating, leveling and material handling.

Problems & troubleshooting

Extrusion stops: follow the H2S feed-path diagnosis

The H2S guide separates the hotend from the extruder as potential blockage locations. Its removal sequence matters: the filament sensor must be removed before opening the extruder cover to avoid pulling its wiring.

Applies to: H2S only; match the installed toolhead and hotend. This documented diagnostic route does not establish failure frequency.

Official troubleshooting Sources & dates
Hardware & upgrades

Convert the toolhead system with the H2C upgrade kit

Bambu documents a substantial Vortek conversion involving the toolhead/X-axis assembly, heatbed, AP board and hotend rack. It requires the model’s complete compatibility pack and device registration; this is a hardware rebuild rather than a firmware-only unlock.

Applies to: H2S compatibility pack only. H2S firmware must be 01.02.00.00 or later before conversion.

Manufacturer documentation Sources & dates
Extruder1 field
Bambu Lab H2S — Extruder
Property and unitPublished value and conditionsSources and dates
Type (direct drive / bowden) & design nameDirect drive with hardened-steel gears and a Bambu high-precision permanent-magnet synchronous extruder motor; built-in filament cutter
1 source
Hotend & nozzle2 fields
Bambu Lab H2S — Hotend & Nozzle
Property and unitPublished value and conditionsSources and dates
Hotend design (proprietary/standard; quick-swap mechanism?)All-metal hotend, hardened-steel nozzle, 0.4 mm included, 0.2/0.4/0.6/0.8 mm supported; optional high-flow hotend
1 source
Max nozzle temp claimed AND firmware max temp limit (both values)350 C claimed max nozzle temperature
1 source
Build plate & heating2 fields
Bambu Lab H2S — Heated Bed & Surface
Property and unitPublished value and conditionsSources and dates
Max bed temp claimed AND firmware limit120 C max heatbed temperature
1 source
Bed surface (material, texture, coating), single/double-sidedTextured PEI plate and Smooth PEI plate supported
1 source
Filament handling1 field
Bambu Lab H2S — Filament Handling & Detection
Property and unitPublished value and conditionsSources and dates
Filament runout sensor (type, location)Yes - run-out sensor, tangle sensor and door sensor; odometry with AMS
1 source
Cooling & filtration1 field
Bambu Lab H2S — Cooling & Air Handling
Property and unitPublished value and conditionsSources and dates
Part-cooling fan(s): count, size, ducting designPart-cooling fan, hotend cooling fan, main control board fan, chamber exhaust fan, chamber heat-circulation fan and auxiliary part-cooling fan, all closed-loop controlled
1 source
Supported materials1 field
Bambu Lab H2S — Materials Support
Property and unitPublished value and conditionsSources and dates
Officially supported filament listPLA, PETG, TPU, PVA, BVOH, ABS, ASA, PC, PA, PET, PPS, plus carbon/glass-fibre reinforced PLA, PETG, PA, PET, PC, ABS, ASA, PPA and PPS
1 source

Software & workflow

Firmware, controls, connections and calibration.

Electronics & power1 field
Bambu Lab H2S — Electronics & Power
Property and unitPublished value and conditionsSources and dates
Total rated power draw100-120 VAC / 200-240 VAC 50/60 Hz; 2050 W at 220 V, 1170 W at 110 V
1 source
Firmware & openness1 field
Bambu Lab H2S — Firmware & Openness
Property and unitPublished value and conditionsSources 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
Problems & troubleshooting

A clumping alert may need both a physical check and a software check

Owners have reported nozzle-clumping alerts on prints without an obvious clump. Check the nozzle and print first, record the exact firmware and retain logs for support. The report is evidence of an observed symptom, not proof that every alert is false or that a current release still has the issue.

Applies to: H2S owner comments in the linked issue. Firmware versions differ between reports; no universal fix is established here.

Owner report Sources & dates
Connectivity, display & camera4 fields
Bambu Lab H2S — Connectivity, UI & Camera
Property and unitPublished value and conditionsSources and dates
Display: size, type, touch?5-inch 720x1280 touchscreen
1 source
On-device UI capabilities (model preview, per-object controls, etc.)Touchscreen plus mobile app and PC app
1 source
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveBuilt-in 8 GB eMMC and a USB port; touchscreen, app and PC control interfaces
1 source
Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps)Live-view camera 1920x1080 and toolhead camera 1600x1200; the 3264x2448 BirdsEye camera is fitted only on the Laser Edition
1 source

Safety, support & testing

Published safeguards, support terms and independent evidence.

Support & ecosystem1 field
Bambu Lab H2S — Reliability, Support & Ecosystem
Property and unitPublished value and conditionsSources 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
Read with context

Sources & notes

How to read this guide

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.

Catalog references5 sources
Ownership research & coverage

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, printable modifications for this exact model. That is a research gap, not a claim that none exist.

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