The H2S is Bambu Lab’s single nozzle version of the H2D platform: same 340 x 320 x 340 mm build volume, same 350°C hotend, same actively heated chamber rated to 65°C, minus the second toolhead. That last part actually makes the Bambu Studio side of things simpler than the H2D, since you’re not dealing with per-hotend filament assignment or nozzle mismatch warnings between a left and right nozzle. This guide walks through getting Bambu Studio talking to the printer, setting the right profile, mapping your AMS, and sending your first job.
Installing Bambu Studio
If you’ve already been through the earlier guides in this pack (unboxing, first print, calibration, filament handling), Bambu Studio should already be installed and you can skip ahead to connecting the printer. If not: download the current release from bambulab.com/download/studio, install it, and open it. You’ll be asked to sign in with a Bambu Lab account or continue without one. Signing in isn’t mandatory to slice and print, but it’s required if you want cloud features later, so most people just go ahead and log in now.
On first launch, Bambu Studio will prompt you to select a printer. If the H2S isn’t in the list yet (it’s a newer model), check that you’re on the latest Bambu Studio build, since new printer profiles get added through software updates rather than being present in older installers.
Connecting the H2S: cloud vs. LAN Only Mode
You have two ways to connect the H2S to Bambu Studio, and the choice matters more than it looks like at first.
Cloud account pairing ties the printer to your Bambu Lab account. In Bambu Studio, click the add-printer icon on the device page and the software should discover the H2S automatically if it’s on the same network and bound to your account through the touchscreen or the Bambu Handy app. Cloud mode gives you remote monitoring and control from outside your home network, camera access through the app, and the ability to start or check on prints from your phone. The tradeoff is that print jobs and status data route through Bambu’s servers, and if your internet goes down, remote control goes with it.
LAN Only Mode disables the printer’s connection to Bambu’s cloud entirely. Everything, slicing data, status updates, control commands, stays on your local network. To use it, enable LAN Only Mode on the printer’s touchscreen, then in Bambu Studio add the printer manually using its IP address and the access code shown on the screen. You get printing that keeps working even if your internet is out, and none of your print data leaves your network. What you lose is remote monitoring away from home, and depending on firmware version, the live camera feed and Bambu Handy app functionality won’t work the same way in this mode.
Neither option is objectively better. If you print from the same room as the printer and care about keeping everything local, LAN Only Mode makes sense. If you want to check on a print from work or send a job while you’re out, cloud pairing is the more practical choice. You can switch between the two later if your needs change.
Printer profile, nozzle, and build plate
Once the H2S is connected, Bambu Studio needs to know what hardware it’s talking to before it can slice correctly. Select the H2S printer profile from the printer dropdown, then confirm the nozzle diameter matches what’s actually installed (0.4 mm is the default on most units, but the H2S supports swappable nozzles the same way other Bambu machines do). Bambu Studio can sync this information directly from the printer rather than making you set it manually. Getting the nozzle diameter right matters because it drives the first layer height and flow calculations the slicer uses.
Next, set the build plate type to match what’s on the bed (Cool Plate, Engineering Plate, High Temp Plate, or Textured PEI, depending on what came with your unit or what you’ve swapped in). This affects bed temperature defaults and adhesion settings per material, so if you print PLA on a Cool Plate profile but have swapped to the High Temp Plate physically, expect adhesion problems that have nothing to do with your actual settings.
Because the H2S has one nozzle instead of two, you won’t see any of the dual-extruder settings that show up on the H2D profile, no per-hotend filament assignment, no nozzle-to-nozzle handoff logic. The printer setup here is closer to what you’d do on a P1P or X1 Carbon, just with a larger bed and hotter chamber ceiling.
AMS and filament mapping
If you’re running AMS 2 Pro or AMS HT units, the H2S connects up to four of them directly without a hub, which keeps the setup simpler than earlier multi-AMS configurations on other printers. Once connected, each AMS slot shows up in Bambu Studio’s filament panel, and you assign a material and color to each slot to match what’s physically loaded.
When you load a multi-color or multi-material model, Bambu Studio maps each color or object in your slice to an AMS slot. The mapping favors matching filament type first (so you don’t end up printing a part meant for PETG with a PLA setting) and color second. Before you send the job, a mapping window pops up showing which AMS slot feeds which part of the model. Check it, because auto-mapping doesn’t always guess right, especially if you’ve got two similar colors loaded in different slots. You can manually reassign any slot in that window before confirming.
If you’re not using AMS at all, running raw filament from an external spool holder instead, Bambu Studio just uses the single active filament setting like any single-material print.
Chamber temperature settings for engineering filaments
This is where the H2S’s active chamber heating (up to 65°C) actually changes your slicer settings compared to a printer without one. For PLA and PETG, chamber heating usually isn’t necessary and Bambu Studio’s default profiles leave it low or off. For ABS, ASA, PC, and nylon-family filaments, raising the chamber temperature reduces warping and layer separation caused by internal stress as the part cools unevenly.
Bambu Studio will warn you if you set a chamber temperature that risks overheating your specific filament. This matters because printing something like PLA or a low-temperature TPU in an overheated chamber can soften the filament sitting in the AMS or on the spool before it even reaches the hotend, causing it to jam or clump. There’s also a separate warning tied to bed temperature versus a filament’s glass transition temperature. If your bed setting sits too close to or above the material’s Tg, the software flags it, since a bed that hot can soften the bottom layers of a part enough that they deform or back up around the nozzle during long prints. When you’re switching between something like PLA and PAHT-CF between jobs, it’s worth double checking the chamber and bed temperature fields rather than assuming the last profile carried over correctly.
Sending your first sliced job
Once your model is sliced with the right filament and AMS mapping, you have two ways to send it. Over LAN, Bambu Studio pushes the G-code file directly to the printer’s IP address on your local network, no cloud round trip involved, which tends to be faster for large files. Over cloud, the job uploads to Bambu’s servers and the printer pulls it down, which works even if you’re not on the same network as the printer, useful if you’re sending a job before heading home. Both methods use the same "Send to printer" action in Bambu Studio; which one happens depends on whether the printer is set up in LAN Only Mode or connected through your cloud account. Watch the first layer on camera or in person if you can, especially the first time you run a new chamber temperature or bed setting combination.
That closes out this five-part H2S setup pack. Between unboxing, first print, calibration, filament handling, and getting Bambu Studio dialed in here, you’ve got everything needed to run the H2S through a normal print job from cold start to finished part.
Related H2S guides
This is part five of a five-part Bambu Lab H2S setup series: Unboxing and Safe First Setup, First Print Walkthrough, Bed Leveling and Calibration, and Loading, Unloading and Changing Filament. If the printer throws a fault code, see the H2S Error Code Index.