Quickstart Guide: Allevi 2

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Quickstart Guide: Allevi 2

The world’s first desktop 3D bioprinter. The Allevi 2 offers visible or UV light photocuring, room temperature to 160°C heating, and dual extruders. Find your bioink of choice and start building. This quickstart guide for the Allevi 2 has manuals and videos to help you get started with your new Allevi 2 bioprinter.

Specifications

View Allevi 2 specifications.

Setting Up Your Bioprinter

  1. Carefully remove your printer from the packaging by grasping the printer frame firmly with both hands.
  2. Plug the power cable into the power port located on the first from the left side of the back of the printer. Then plug the other side into a wall outlet.
  3. Power on the printer by pressing the power button located front of the printer. It will turn red.
  4. Attach the air input junction to the air port on the left side (second from the left) of the back of the printer.
  5. Connect the air compressor to the black air hose, and the air hose to the air input junction on the printer.
    • The connection between the hose and the junction can be tricky. Follow this diagram:

A. Gather both the air input junction (left) and the air hose (right).
B. Pull back the collar of the air hose.
C. Insert the air input junction in the air hose.
D. Slide the collar of the air hose back into place.
E. The connection should be formed!
F. Give the connection a light tug to ensure it is secure.

The air compressor must remain turned on for the entirety of the print. We recommend keeping the air compressor set to a pressure significantly higher than your print pressure. This is so that as the air compressor loses some pressure and refills, your print is not affected. The air compressor’s pressure can be adjusted by turning the black knob. It has a max pressure of 120PSI.

Quickstart Guide: Allevi 2

Setting Up Your Bioprint Online Account

  1. Go to bioprint.allevi3d.com. Our software runs out of a browser and requires no downloads! We recommend Google Chrome or Firefox, but Safari and Edge are also acceptable.
  2. Login to the software. To set up an account, click ‘Create an account.’
  1. Creating an account is great, but let’s get you set you up to add some teammates! Follow our Allevi Teams Guide to create a Team. We recommend doing this first so that your printers and files are easily shared with others.
  2. As you follow the rest of these instructions, make sure your Team account is active, rather than your Personal account.
  3. To register your printer, scroll down in your printer list and click ‘Add printer.’
  1. Type in your Online Adapter serial number and click ‘Add printer.’ Your serial number can be found on the Online Adapter label or in your onboarding email from the Allevi Support Team.
  1. Once your printer is registered, it will appear as an available printer in your printer list. You can also see its Internet connection status.

Getting Connected

Setting Up Your Online Adapter

To use Allevi Bioprint Online with the Allevi 2, you will need an Online Adapter. If you don’t have one, you can request one here.

For new printers, the Online Adapter comes in a second box with the follow contents:

To connect to your Allevi 2, you must first power your Online Adapter and plug it in to the printer.

  1. Turn on your Allevi 2 bioprinter.
  2. Insert the microSD card included in the box into the Online Adapter.
  1. Connect the Allevi 2 to the Online Adapter via the USB A to USB B cable. You can use any USB port on the online adapter.
  2. To power the adapter, attach the USB C power supply to the Online Adapter.

Networking Requirements

A downloadable PDF containing our updated networking requirements for both our Bioprint Software and for the Bioprinter can be found in our Allevi Connection Troubleshooting Guide at the below link:
https://www.allevi3d.com/allevi-wifi-connect-troubleshooting/

Cloud Mode

To use cloud mode connect your Allevi bioprinter to the internet using either an ethernet (wired) or Wi-Fi (wireless) connection. Please note that you will need to be in cloud mode for any future firmware updates.

Ethernet Connection

To connect your Allevi bioprinter via ethernet, plug an ethernet cord to the port on the back of the bioprinter and to an ethernet port in your lab. Your Allevi bioprinter will be in cloud mode now and ready to connect to in your bioprinter dashboard.

Wi-Fi Connection

With a Wi-Fi connection, your Allevi bioprinter will be online in cloud mode.

  1. Open your the WiFi settings on your computer and look for a network called “Allevi Printer #######”. Connect to this network.
    • The password for the Allevi Printer ####### network will be allevi_####### where the last seven digits will match the printer serial number.
    • To type in a password, you may need to click “connect using security key instead”
    • By connecting to the Allevi hotspot, your computer will briefly lose access to the Internet.
  2. Open a browser tab and go to http://10.42.0.1/ . This will open the Printer Configuration screen.
  3. Click the ‘Configure’ beneath the WiFi Settings header.
  1. Once in the WiFi settings, select an appropriate WiFi Network from the drop down menu.
    • The chosen Wi-Fi network should be a private network without a ‘Click to accept’ intermediate page.
  2. A green message will pop up at the bottom of the page. You can now close this window.
  3. After a successful Wi-Fi connection is added, your printer should attempt to join your selected network using the login credentials you just entered and should stop producing the “Allevi Printer #######” network.
  4. Reconnect your laptop to your institution’s wireless internet and navigate back to Allevi Bioprint Online. Your bioprinter will be in cloud mode and ready to connect.

Adapter Mode

The Allevi Wireless Adapter gives you access to the Adapter Mode of connection. With this connection method, your Allevi bioprinter will not be connected to the internet itself, but it will communicate directly with your computer via local Wifi.

  1. Download the official driver here. Extract the downloaded .zip file and run the installer. This allows your computer to connect to two Wi-Fi networks at the same time.
  2. Download the Allevi Client app here. Extract the downloaded .zip and run the application. You’ll need to keep this open whenever you are using your Allevi bioprinter.
  3. Plug your Allevi Wireless Adapter into your computer’s USB port.
  4. Turn your Allevi bioprinter on.
  5. In your Wi-Fi list, you should see a dropdown to select different Wi-Fi networks. The dropdown allows you to switch between “Wi-Fi 1” and “Wi-Fi 2”; however, on some computers this may be called “Wi-Fi 2” and “Wi-Fi 3”. See the screenshot below for an example with “Wi-Fi 2” and “Wi-Fi 3”. It does not matter what your networks are called, as long as they are connected as follows:
    • Lower Numbered Wi-Fi: Connect this to your home or work Wi-Fi network
    • Higher Numbered Wi-Fi: Connect this to the Allevi Bioprinter Wi-Fi Access Point, called “Allevi Printer <serial number>”
    • The password for the Allevi Printer ####### network will be allevi_####### where the last seven digits will match the printer serial number.
    • To type in a password, you may need to click “connect using security key instead”
  1. Open a browser tab and go to http://10.42.0.1/ . This will open the Printer Configuration screen.
  2. Click the ‘Configure’ beneath the Adapter Settings header.
  3. Use the switch to turn adapter mode on.
    • Switching over may take a few minutes.
  1. Navigate to Allevi Bioprint Online and log in as normal using your Bioprint Online credentials.
  2. If the connection is successful, you will see the following state on the Allevi Client Application and a green connect button in the bioprinter dashboard.
Switching From Cloud Mode to Adapter Mode After Connecting Via Cloud

If your printer is already online and you are just switching over to adapter mode, use the cloud icon in the printer list and follow the on-screen prompts.

Then see steps 1-5 above in the Adapter section. Finally, skip to step 10.
This is a fairly rare case and would likely only come up during troubleshooting or a change of lab environment.

Running a Print

The Allevi Bioprint Online software is the most comprehensive and versatile bioprinting software. We recommend watching this introduction video.

  1. With your Allevi 2 turned on and connected to the Internet, you can get started by clicking connect!
    • NOTE: Upon start up, your printer will automatically home your Z and X/Y axes. Makes sure the printer is clear of any loose materials.
  1. This will bring you to your printer Status section. Here you can get an overview of your print settings.
  1. The next section is your Current Print section. You can either upload STL or gcode files. If you upload an STL, you can modify the Allevi Online Slicer settings.
  1. Next, choose your dish in the Build Plate section. For wellplates, print files will automatically be replicated in all wells.
  1. The Extruder section allows you to move and calibrate your extruders.
  1. To calibrate the printer, grab a loaded syringe and open the jog panel:
    • Place your loaded syringe, with a syringe tip attached into the extruder. Connect the air supply hose to the wide opening of the syringe and twist the air hose into the locked position. Lastly, tighten the dial on the front of the extruder to hold the syringe in place.
    • Click the origin button under the X/Y controls. This will center your first extruder over your chosen build plate.
    • Using the Z controls, move the bedplate closer to the loaded extruder. The dish should almost be touching the needle.
      1. NOTE: Sometimes the syringe moves down slightly when you hit extrude. Use the test extrude button to see if the needle pushes into the dish. If the needle is too low, no material will come out. If it is too high, then a dangling line will be created.
    • Under extrusion, the needle should just touch the dish. Do not leave a big gap between the needle and dish as the gcode automatically adds the appropriate layer height. Finer 0.1mm and 0.05mm movement can be used when approaching the dish.
    • Click ‘Set Calibration.’ to calibrate. Repeat with the second extruder.
      1. With single extruder prints, you can click ‘Calibrate’ on the second extruder without moving it.
  1. In the Extruder section, you can also set extruder temperature, pressure, and test extrude by holding the button.
  1. In the Crosslinking section, there are three main settings: Always On, During Print, and Post Print. They use variables such as light intensity, layer frequency, and duration. For photocurable bioinks, the Allevi 2 offers either UV or Visible light crosslinking, depending on your purchase.
  1. Once you’ve loaded a print file and calibrated both extruders, you can click ‘Print’ to start building with life!

We hope this quickstart guide helped you start bioprinting with your Allevi 2 bioprinter. If you have any questions

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