First print
Bambu A1 Mini Setup Guide: From Unboxing to Your First Successful Print
A practical Bambu A1 Mini setup guide: what is in the box, what you screw on, how to use the Bambu app or LAN, and how to finish a small PLA part.
Updated September 2026 · Setup for the A1 Mini we score
1. Unbox checklist
This is the Bambu A1 Mini unboxing for the standard printer, not the Combo. Clear the foam and any shipping ties before you power it on. The quick start card is on the bed. Read the clearance note: the bed moves forward and back, so the printer needs open space in front of it and behind it.
If the Mini is not on the bench yet, use the A1 Mini scorecard for the scores, then the buying pages: A1 Mini vs Ender 3 V3 SE, the best 3D printer under $500, and A1 Combo vs A1 Mini. This page is how to set up the Mini you already have.
For setup tips for any printer, including how much setup the other machines we score still need, use that page instead of repeating it here.
Still choosing? See A1 Mini pros and cons against cheaper printers.
- A1 Mini printer, with the heatbed nozzle wiper already on the bed
- Purge wiper and its M3-12 screw
- Spool holder, base, and two M3-8 screws
- One PTFE tube for the external spool
- Textured PEI plate (both sides can print)
- Sample filament, about 20 g, not a full spool
- Unclogging pin, H2 and H1.5 Allen keys, cable organizer
- Scraper blade and screws (the handle is a file you print later)
- Spare filament cutter, plus a small tube of grease or oil (packs vary)
- Power cord, quick start card, and the safety sheet
- MicroSD card, already in the printer
2. Assemble the wiper, spool holder, and bed
The printer arrives mostly built. You are adding three parts, not building a gantry. Work on a sturdy table that does not rock when you lean on it. A tilt shows up later as a first layer that is tight on one side and loose on the other.
Once the Mini is together, the apartment placement page covers where a small printer can sit.
- Slide the purge wiper into the slot at the end of the X axis, from the back toward the front. Lock it with the single M3-12 screw.
- Screw the spool holder base on with the two M3-8 screws. Match the slot direction, then slide the holder down onto the base.
- Set the textured PEI plate on the magnetic bed. It should sit flat, with the corners aligned, and with no foam or tape left underneath.
- Connect the PTFE tube from the filament guide on the spool holder to one toolhead inlet. Clip the cable organizer so the tube and the toolhead cable have a clear path.
- Leave room for the bed to travel. Do not push the printer against a wall.
3. Power on, then the Bambu app or LAN
Plug in the power cord and use the switch on the back. Follow the screen for language and Wi-Fi. A QR code offers Bambu Handy if you want the phone app. You can skip that bind and finish it later in settings. Handy needs the printer on Wi-Fi, and it needs the internet to control the printer. Finding the printer on your local network is not the same as LAN-only mode.
LAN-only is the path if you do not want the printer on Bambu's cloud. On the printer, open Settings, then LAN Only, and turn it on. In Bambu Studio, open Device, choose the printer (it shows a lock), and enter the access code from the printer screen. Studio and the printer have to be on the same network. Guest Wi-Fi often blocks that. Live view is a separate switch. Developer mode is for other software. You do not need it for a first print in Studio.
For a first print from your phone, the cloud bind is the simpler path. Use LAN-only when you want Studio on the local network and you are fine without Handy.
4. Load filament
Hang the sample, or a dry PLA spool, on the holder and feed the end into the PTFE tube. If the tip is crushed, cut it at an angle so it does not snag. Start the load command on the screen. The nozzle heats. Push until the extruder takes the filament and a short strand comes out of the nozzle. Pull the strand away with the tool, not your fingers.
Leave AMS off. A standard Mini has no AMS, and turning AMS on for an external spool makes the printer wait for a spool that is not there. If your box is the Combo, AMS Lite is a separate unit with its own stand and extra tubes. Set the printer up on the external spool first. The buying difference is A1 Combo vs A1 Mini. This guide does not treat AMS Lite as part of every Mini.
5. Calibrate and check the first layer
Before you leave the setup screens, run calibration. Check vibration compensation and motor noise cancellation, then start. Plan on about 12 minutes. The machine will shake and get louder than a normal print. That is the calibration, not a fault. If you move the printer to another table later, run it again from the screen.
The first-layer check is a small PLA print, not a guess at a Z offset. Watch the skirt or the first lines. They should touch their neighbors and look slightly squished. Loose strings mean the nozzle is too high. A trench, or a clicking extruder, means it is too low. Stop the job.
If one side is high and the other is low, check that the plate is seated and the table does not rock, then calibrate again. Do not stack adhesive on a plate that is not flat on the bed.
6. First print tips
For the Bambu A1 Mini first print, pick a small model already stored on the printer, or send a small PLA part from Bambu Studio or Handy. Use the PLA preset and the textured PEI plate, and keep the part near the middle of the bed. The 20 g sample will not finish a large model. Stay for the first layer. A stopped bad layer teaches more than a finished mess.
Let the bed cool before you pull the part. Flex the plate. The scraper blade in the box needs a printed grip from the built-in files before it has a handle, so do not pry with the bare blade on the first part.
After one good small print, you can try a larger PLA part. The bed is a 180 mm cube. Helmets and big terrain tiles are a different printer. If that limit is already a problem, the under-$500 guide and the Combo comparison are the buying pages, and the A1 Mini scorecard is the spec sheet. The Ender 3 V3 SE comparison is only useful if you are still deciding what to buy.
7. Common fails: warp, adhesion, and the nozzle wipe
Most first-day failures are the plate, a draft, or a part you skipped during assembly. Fix those before you buy anything.
- Warping: the frame is open. A window, a fan, or a wide flat part lifts corners. Move the printer out of the draft, print smaller, and add a brim on the next file if the corners still rise.
- Adhesion: finger oil beats a new plate. Wash the PEI with warm water and a drop of dish soap, rinse, dry, and hold it by the edges. Isopropyl alcohol does not replace that wash. If a clean plate still drops a small PLA part, then a thin film of adhesive is the next step.
- Nozzle wipe: before each job the nozzle wipes on the heatbed pad, coarse then fine. A torn or missing pad leaves a blob on the first layer. The purge wiper is the other part, screwed to the end of the X axis. If you skipped that screw, waste filament lands on the bed or sticks to the nozzle. Seat it, clear the poop, and start again.
- AMS Lite: only if you bought the Combo. On a standard Mini, keep AMS off and use the external spool. A Combo's AMS Lite is extra hardware beside the printer, not a hidden part inside every Mini.
8. When to buy Magigoo, a plate, or a dryer
None of these are required for the first successful print. Buy them when the stock setup has already had a fair try.
Magigoo Original is the PLA film we score when a washed textured plate still lets corners go. Spread a thin coat only where the part sits, let the bed cool, and wash the film off with water when it looks patchy. The how-to is Magigoo bed adhesive and first-layer setup, and the bottle is on the Magigoo scorecard. It is a PLA adhesive, not a fix for an unlevel bed or for ABS on an open frame.
You already have a textured PEI plate, and both sides print. Replace it when the texture is worn, or when you want a glossy bottom on a later part. Check the size before you buy. The sheets on our PEI build plate guide are 257 mm (full-size A1, P1, and X1) or 235 mm (Ender class). They do not fit this 180 mm bed, so this page has no Amazon button for them. A Mini plate has to name the A1 Mini, or measure the bed you have.
A dryer can wait until a spool is brittle, stringy, or you switch to PETG. The one-spool dryer that fits a Mini desk is the Sunlu S2 on the filament dryer guide. A sealed sample of PLA does not need a dryer for the model you print today.
Magigoo Original · $20
About $20 (price checked Sep 2026), often $15 to $25, overall 8.8/10. A thin PLA film after a washed plate still lets corners go. It releases as the bed cools and washes off with water. Skip it on day one if the stock plate already holds.
Sunlu Filament Dryer S2 · $44.99
About $49 (price checked Sep 2026), overall 8.0/10, one spool. Buy it when PLA gets brittle or stringy, or when you move to PETG. A sealed sample spool does not need a dryer for the first print.
Affiliate disclosure
3DPrintersRank does not sell the A1 Mini, Magigoo, or filament dryers. Each Check price on Amazon button uses the affiliate link already stored on that scorecard. We may earn a commission if you buy, and we do not set the price. The figures on this page are the published prices (price checked Sep 2026). Amazon shows the price you would pay today.
Who should skip this setup
Skip this page if you are still choosing a printer
Buying comparisons live on their own pages. This guide assumes the A1 Mini is already on the bench.
Skip the AMS steps if your box is the standard Mini
AMS Lite ships with the Combo, as a separate unit. A standard Mini uses the external spool holder only.
Skip a first ABS print on this open frame
The Mini is an open bed slinger. Start with dry PLA. Drafts and ABS belong on an enclosed machine, not on day one here.
Who it's not for
People comparing the A1 Mini with another printer, or setting up a P1S, an A1 Combo as a color system, or an Ender. Those questions have their own guides. This page is the path from a sealed Mini box to one finished PLA part.
Frequently asked questions
- Does the Bambu A1 Mini come with AMS Lite?
- Not in the standard box. AMS Lite is the multi-color unit sold with the A1 Mini Combo, and it sits beside the printer. A standard Mini includes one external spool holder. Leave AMS turned off unless that extra unit is actually connected.
- How long does A1 Mini calibration take?
- The first calibration, with vibration compensation and motor noise cancellation, usually takes about 12 minutes. The printer shakes and gets loud. That is the calibration. You can run it again later if you move the machine.
- Can I set up the A1 Mini without Bambu Handy?
- Yes. You can skip the QR bind during setup and print from the screen, or use Bambu Studio in LAN-only mode with the access code on the printer. Bambu Handy needs the printer on Wi-Fi and on the internet. Handy does not control a printer that is in LAN-only mode.
- What should the first A1 Mini print be?
- A small PLA part, using the textured PEI plate and a PLA preset. The sample filament in the box is about 20 g, so it will not finish a large model. Watch the first layer, then let the bed cool before you pull the part.
- Do I need Magigoo or a new PEI plate before the first print?
- No. The textured PEI plate in the box is the surface to start on. Wash it with warm water and dish soap if PLA will not hold. Magigoo is the next step after that wash still fails. A replacement plate has to fit the Mini bed. The 257 mm sheets on our PEI guide are for the full-size A1, P1, and X1.
- Why does the nozzle wipe and leave a blob before the print?
- The heatbed nozzle wiper cleans the nozzle before each job, coarse then fine. The purge wiper at the end of the X axis catches the waste filament. A missing pad, or a purge wiper that was never screwed on, drops that waste onto the bed or the part.
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