5. Preflight check

Relevant for:

MMU3

Last updated 6 hours ago

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Easy

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Step 1 Filament preparation

Your assembled MK4S with MMU3 bundle has been calibrated and tested in our factory. However, a few easy checks are still required.

これで、フィラメントをロードしてテストオブジェクトをプリントする作業に移ることができます！その前に；

⬢Please prepare at least five different PLA filaments and cut off the ends to form a round sharp tip on each - as seen in the picture.

⬢The filaments must have a sharp tip in order to load properly into the MMU as well as into the printer. If the tip is deformed, bent or larger in diameter, it won't load properly.

⬢Inspect the last 40cm (15") of each filament. Make sure there are no dents in it. Sometimes, if filament got jammed before, the pulley wheel makes an indent in it. This part of the filament can no longer be grabbed and moved by the MMU unit and must be cut off.

⬢フィラメントの端が曲がっていたら、まっすぐにします。完全にまっすぐでなければなりません。

Use only high-quality filament with guaranteed low diameter deviation. In case you have filament loading / unloading issues in the future, re-visit this step as well. Make sure the filament is dried up. Moisture-sensitive filaments can be problematic during the MMU operation.

Step 2 Suggested filament layout

⬢Lay down the five filaments onto the spool holders. Make sure the spools do not interfere one with another.

Filament positions are labeled 1,2,3,4,5 from the left to right, from the user's point of view.

⬢スプールがローラーに正しくフィットするように、各スプールホルダーを調整します。

⬢スプールが自由に回転でき、邪魔になるものがないことを確認します。

⬢フィラメント1用のカセットをバッファーから取り出します。

Step 3 バッファーを通してフィラメントをロードする

⬢Insert the tip of the filament 1 into the bottom PTFE tube attached to the spoolholder.

⬢フィラメントが対応するバッファーカセットに現れるまで、PTFEチューブにフィラメントを押し込み続けます。

⬢Take the tip and insert it through the cassette into the other PTFE tube, which goes into the MMU unit.

Step 4 MMUユニットへ、フィラメントをプリロード

⬢

On the printer, go to the Filament -> Preload to MMU

⬢Select Filament slot 1. The MMU unit will engage the idler into the first position and start rotating the pulley until the filament is loaded in.

⬢Keep pushing the corresponding filament end into the PTFE tube from the buffer into the MMU, until you feel the filament being pulled in.

フィラメントを正しくロードするためには、フィラメントの先端がまっすぐで鋭利でなければならないことを忘れないでください。

⬢5本すべてのフィラメントをセットするまで同じ作業を繰り返します。

Step 5 Closing the buffer

⬢所定のフィラメントがMMUに正常にロードされたら、そのカセットをバッファに戻します。

⬢Repeat the same process for the other filament positions, until you successfully load all five filaments into the MMU.

Step 6 上級者のヒント：ボタンを使ったローディングを試してみてください。

⬢You can also load a filament into the MMU using the buttons on the unit. Next time you load a filament, use the method you prefer. Either from the LCD menu, or using the physical buttons.

⬢

MMUが待機状態（すべてのLEDが消灯している状態）

⬢中央のボタンは、MMUへのフィラメントロードを開始または中止します。

⬢サイドボタンでセレクターを左右に動かし、フィラメントの位置を切り替えます。

⬢Use the side buttons to move the selector onto the desired filament position indicated by the selector being aligned with one of the lines on the label-plate.

⬢The ongoing loading process is indicated by a blinking green LED light for the respective filament position.

⬢安定した緑のLEDライトは、所定のフィラメントがエクストルーダーにロードされていることを意味します。

Note, after you issue a command to the MMU unit, wait and let it finish the operation. Don't rush. Don't play around with the printer in the meanwhile. Let it finish first if the MMU unit does something (homing, loading, unloading).

Step 7 ロードテスト（パート１）

⬢

Go to the Control > Loading test

⬢プリヒートするフィラメントの種類を選択します（PLA）

⬢

Test all the filaments from 1 to 5 manually, if "Test All" item is unavailable on your firmware version.

⬢

The MMU unit will now load and then unload all five filaments to see if all work correctly.

Step 8 ロードテスト（パート２）

⬢On the MK4S printer, you can check the filament sensor's status in the "footer" area of the LCD screen to see if it's detecting the filament correctly.

Step 9 テストオブジェクトのプリント

We need to print a test object to verify that everything works correctly. Don’t worry, it will be a quick print.

⬢Printables.comのMMU3テストオブジェクトをご覧ください。

⬢プリントファイルセクションで、お使いのプリンタモデル用にあらかじめスライスされたGコードファイルをダウンロードします。

⬢Save the .gcode or .bgcode file onto a storage media and print the test object.

Step 10 Tools Mapping

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Tools Mapping screen on MK4S allows you to reassign the extruders with the specified color to another one as needed.

⬢On the left side, you'll see a list of the required materials and their colors, as specified in the G-code file.

⬢

On the right side, you'll find a list of materials currently available on the printer, that will be used to print the object.

For example, if the G-code requires orange filament in the first position, but you have orange loaded in the fifth position, select the first position on the left menu and then assign it to the fifth position on the right.

フィラメントの位置をダブルタップするか、エンコーダーを使用してフィラメント番号を選択します。

Step 11 Printable 3D models

⬢To further test your new MMU3, have a look at MMU3 Test Objects Collection on Printables.

We recommend printing the cute sheep, which has been the MMU mascot since the beginning.

Step 12 Print & Follow the Handbook

Please read the 3D Printing Handbook dedicated to your printer and follow the instructions to set up and use the printer properly. The latest version is always available at help.prusa3d.com.

免責事項および安全に関する指示の章をお読みください。

⬢Start the print and wait until it finishes. In the meantime you can take a look at the printed Handbook.

All the information regarding calibration, how to organise the printer, buffer, spools, or troubleshooting tips are all in the printed or online 3D Printing Handbook for MMU3.

To download the Handbook or if you encounter any issues, please visit our knowledge base at: http://help.prusa3d.com/en/tag/mmu3/

⬢If you are having any issues while printing, follow the on-screen instructions or visit the link from the LCD screen.

Step 13 G-コードの準備 / カスタムモデルの準備

⬢Already printed all the bundled multi-material models from us as well as those seen at http://Printables.com? Time to print your own designs!

⬢単体のオブジェクトをカラフルにする最もシンプルな方法は、PrusaSlicerのMMU Painting functionです。

⬢マニュアル法の基本的な手順は、マルチマテリアルプリント用Gコード準備のセクションで説明しています。

⬢

For printing logos or text labels, you might also find the automatic color change at a given layer height useful. Simply, slice an object, select a certain layer height, click the small orange "+" icon next to the height marker and select the desired MMU filament position (Extruder number).

Step 14 自分でマルチマテリアルモデルを作る

⬢If you have designed a model with multiple bodies, you may find the Exporting model from Fusion 360 guide useful.

⬢If you are designing a single-body model, part of which should be MMU-Painted, make sure there is a sharp line surrounding each distinct part so that you can use the MMU Painting's Smart-fill function later on in PrusaSlicer.

⬢

If you have an intricate STL file that can't be MMU-Painted easily, you can try the more sophisticated way of Splitting STL with single compact part or Splitting STL into multiple parts using MeshMixer.

Step 15 MMU シングル材料での操作

Did you know that MMU3 unit can also be used to make single-material printing more convenient too?

⬢You can keep up to five of your favorite materials loaded into the MMU unit.

⬢Use the regular MK4S profile, when slicing. The printer will allow you to choose which filament to use, once you start printing.

⬢If you know which of the five materials to use already while slicing, you can use the MMU3 profile and assign a single color (Extruder number) to the object.

⬢

If one of the filaments runs out, your print might be able to continue automatically with the Spooljoin function.

Check the SpoolJoin article for more info.

5. Preflight check

5. Preflight check

Step 1 Filament preparation

Step 2 Suggested filament layout

Step 3 バッファーを通してフィラメントをロードする

Step 4 MMUユニットへ、フィラメントをプリロード

Step 5 Closing the buffer

Step 6 上級者のヒント：ボタンを使ったローディングを試してみてください。

Step 7 ロードテスト（パート１）

Step 8 ロードテスト（パート２）

Step 9 テストオブジェクトのプリント

Step 10 Tools Mapping

Step 11 Printable 3D models

Step 12 Print & Follow the Handbook

Step 13 G-コードの準備 / カスタムモデルの準備

Step 14 自分でマルチマテリアルモデルを作る

Step 15 MMU シングル材料での操作

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