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Prusa Research ENCLOSURE LCD SUPPORT LEFT Manual

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Step 10 - Guiding the cables: parts preparation
Step 17 - Covering the PSU cables
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  • Page 1: Table Of Contents

    Table of Contents 1. Introduction ........................................Step 1 - Enclosure variations info .................. Step 2 - Important information ..........Step 3 - Tools included for the Enclosure assembly ....... Step 4 - Tools required for the printer preparation (not included) ....................

  • Page 2: Step 21 - Ptfe Side Holder Installation

    ..............Step 34 - Version B: Preparing the xLCD ............Step 35 - Version A: Installing the PE Faston ............Step 36 - Version B: Installing the PE Faston ................ Step 37 - Assembling the LCD knob ....................Step 38 - Haribo time! ................
  • Page 3 ................Step 18 - Covering the PSU cables .......... Step 19 - Covering the LCD cables: parts preparation ................Step 20 - Covering the LCD cables ..................Step 21 - Securing the cables ................Step 22 - Removing the FS-cover ........
  • Page 4 ....................Step 40 - Well done! ................Step 41 - PSU variant for MK3S+ ................ Step 42 - Enclosure + MK4/MK3.9 4A. Installing the printer (MK4/S & 3.9/S) ........................... Step 1 - Tools necessary for this chapter ........Step 2 - Assembling the PSU holder: parts preparation ........
  • Page 5 ..............Step 4 - Assembling the PSU holder ..............Step 5 - Assembling the PSU holder ..............Step 6 - Assembling the PSU holder ............... Step 7 - Assembling the PSU holder ..............Step 8 - Assembling the PSU holder ............
  • Page 6 ..................Step 14 - Installing the PSU ................. Step 15 - Adjusting the printer ............ Step 16 - Mounting the LCD: parts preparation ..................Step 17 - Mounting the LCD ................Step 18 - Securing the LCD cable ......Step 19 - Assembling the filament guide: parts preparation ..............
  • Page 7 ................Step 9 - Installing the lid hinges ................Step 10 - Installing the lid hinges ................Step 11 - Installing the top panel ..........Step 12 - Installing the covers: parts preparation .................. Step 13 - Installing the covers ..........
  • Page 8 ................. Step 43 - PTFE Tube Installation 2 ................. Step 44 - PTFE Tube Installation 3 ................. Step 45 - PTFE Tube Installation 4 ................Step 46 - Loading the Filaments ......................Step 47 - Done 6B. Hinged lid with MMU2S ..................
  • Page 9 ................. Step 24 - Inserting the HEPA filter ................Step 25 - Installing the filtration ................Step 26 - Installing the filtration ................Step 27 - Installing the filtration ........Step 28 - Guiding the filtration cable: parts preparation ..............Step 29 - Guiding the filtration cable ..............
  • Page 10 ..................Step 79 - Mounting the LCD ................Step 80 - Securing the LCD cable ........Step 81 - Installing the basic board: parts preparation ................. Step 82 - Installing the basic board ................. Step 83 - Installing the basic board ...............
  • Page 11 ............Step 18 - Covering the quick release cable ............Step 19 - Covering the quick release cable ..................Step 20 - Installing the PSU ................. Step 21 - Installing the printer ............Step 22 - Connecting the quick release cable ..........
  • Page 12 ........Step 7 - Assembling the external PSU bracket (optional) .................. Step 8 - Preparing the printer ............... Step 9 - Guiding the external PSU cable ............. Step 10 - Guiding the external PSU cable .............. Step 11 - Guiding the external PSU cable ...........
  • Page 13 ..............Step 62 - Connecting the LED cable ..........Step 63 - Mounting the LCD: parts preparation ..................Step 64 - Mounting the LCD ................Step 65 - Securing the LCD cable ........Step 66 - Installing the basic board: parts preparation ................

  • Page 15: Introduction

    1. Introduction Original Prusa Enclosure assembly (external display mounting)

  • Page 16: Step 1 Enclosure Variations Info

    You can download and print them. Required Parts for external display mount: MK3S+: ENCLOSURE LCD SUPPORT LEFT, RIGHT MK4, MK3.9, MK3.5: ENCLOSURE XLCD SUPPORT LEFT, RIGHT - for the MK4, you need to check A or B version according the MK4 assembly manual.

  • Page 17: Step 3 Tools Included For The Enclosure Assembly

    1. Introduction STEP 3 Tools included for the Enclosure assembly The kit includes: 2.5mm Allen key STEP 4 Tools required for the printer preparation (not included) The following tools are needed in the next chapter to prepare the printer, some of them were included with the printer: Needle-nose or cutting pliers (to trim the zip ties) Phillips screwdriver PH2...

  • Page 18: Step 5 Labels Guide

    1. Introduction STEP 5 Labels guide All the boxes and bags including parts for the build are labelled. The FASTENERS A and FASTENERS B bags include an extra spare of each part contained in the bag. The amount of spare parts is always written on the label under the individual part.

  • Page 19: Step 7 View High Resolution Images

    1. Introduction STEP 7 View high resolution images When you browse the guide on help.prusa3d.com, you can view the original images in high resolution for clarity. Just hover your cursor over the image and click the Magnifier button ("View original") in the top left corner.

  • Page 20: Step 9 How To Successfully Finish The Assembly

    1. Introduction STEP 9 How to successfully finish the assembly For a better handling, it is recommended to prepare a clean workbench with a space of at least 0.8 m x 0.8 m (31.5 in x 31.5 in). With access from two sides or more.

  • Page 21: Step 10 Optional Parts

    1. Introduction STEP 10 Optional parts We have designed enhancements that are not shipped by default in the kit, but you can print them out and add them to the enclosure during assembly. Fasteners are already included in the kit. Print out the parts before you start assembly.

  • Page 22: Step 12 Add-Ons

    1. Introduction STEP 12 Add-ons If you’ve purchased any of the add- ons together with the enclosure, read all the chapters on the assembly of the enclosure and the specific add-on first. Some steps must be omitted during the enclosure assembly and proceed with the add-on instruction.

  • Page 23: Step 14 We Are Here For You

    1. Introduction STEP 14 We are here for you! Lost in the instructions? Missing screw or cracked printed part? Let us know! You can contact us using following channels: Using comments under each step. Using our 24/7 live chat at prusa3d.com Writing an email to info@prusa3d.com...

  • Page 24: Step 15 Mk3S+ Or Mk4/S & 3.9/S

    1. Introduction STEP 15 MK3S+ or MK4/S & 3.9/S Before beginning any partial disassembly of the printer, ensure that you have printed all the necessary parts. The MK3S+ has two types of the PSU (Power Supply Unit). There are different instructions for each type of the PSU.

  • Page 25: Preparing The Printer (Mk4/S & 3.9/S)

    2A. Preparing the printer (MK4/S & 3.9/S) Original Prusa Enclosure assembly (external display mounting)

  • Page 26: Step 1 Tools Necessary For This Chapter

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 1 Tools necessary for this chapter For the following steps, please prepare: 2.5mm Allen key T10 Torx key Needle-nose pliers for cutting zip ties Piece of cloth or fabric (at least 15x15 cm) for covering the heatbed STEP 2 Preparing the printer Before we start with partial disassembling of the printer, proceed with the...

  • Page 27: Step 3 Disconnecting The Xlcd Cables

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 3 Disconnecting the xLCD cables Carefully turn the printer on its side (on the PSU). Disconnect the PE cable. Disconnect the xLCD cable. You may have another version of the connected PE cable. Disconnect the PE and continue as instructed.

  • Page 28: Step 5 Removing The Xlcd Cables

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 5 Removing the xLCD cables Using the needle-nose pliers, cut the zip tie near the PSU. Be careful not to cut the cables! Follow the cable bundle up. Cut two zip ties securing the cable bundle over the xLCD cables.

  • Page 29: Step 7 Removing The Xlcd

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 7 Removing the xLCD Move the heatbed away from the xLCD. Release all four screws holding the xLCD in the front plate. Remove the xLCD from the printer. Put the xLCD in a safe place for now. You'll need it again soon. STEP 8 Releasing the PSU Release two screws holding the PSU-cover and remove the cover from the PSU.

  • Page 30: Step 9 Removing The Psu

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 9 Removing the PSU Slightly lift the PSU until it can be completely released from the printer. Remove the PSU from the printer and place it behind the back of the printer on the piece of cloth, like in the picture.

  • Page 31: Step 11 - Guiding The Cables

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 11 Guiding the cables In the upcoming steps, please tighten all zip ties carefully, as you might pinch/break the cables. Locate the circular holes in the frame near the Z-axis right motor. Slide the zip tie through the circular holes in the frame to create a loop.

  • Page 32: Step 13 Mounting The Printer Frame Support: Part Preparation

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 13 Mounting the printer frame support: part preparation For the following steps, please prepare: Printer frame support (1x) M4x10r screw (2x) previously removed from the PSU STEP 14 Mounting the printer frame support Slide the printer frame support on the screws in the aluminum extrusions (instead of the PSU).

  • Page 33: Step 16 Covering The Psu Cables: Parts Preparation

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 15 Mounting the printer frame support Fully tighten the screws on the printer frame support. STEP 16 Covering the PSU cables: parts preparation For the following steps, please prepare: There are two textile sleeves in your kit with different lengths and diameters. Textile sleeve 8 x 350 mm (1x) Zip tie (2x) Original Prusa Enclosure assembly (external display mounting)

  • Page 34: Step 18 Covering The Xlcd Cables: Parts Preparation

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 17 Covering the PSU cables From the electronics, wrap the PSU cable (including the black&white power panic cable and the green&yellow PE cable) in the textile sleeve. Leave 2-5 cm from the electronics uncovered. Secure the end of the sleeve with the zip tie.

  • Page 35: Step 19 Covering The Xlcd Cables

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 19 Covering the xLCD cables From the electronics, wrap the xLCD and PE cables in the textile sleeve. Push the textile sleeve near to the electronics box. Wrap the entire length of the xLCD cable bundle. Using the zip tie, create a loop through the circle holes in the frame around the motor cables and xLCD cable bundle.

  • Page 36: Step 21 Installing The Qsm Fitting

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 21 Installing the QSM fitting Insert and screw the Fitting QSM- M5 directly into the threaded filament hole in the extruder. STEP 22 MK4S xLCD: parts preparation Your MK4S or MK3.9S may have a printed or injection molded xLCD cover. The following steps are for the injection molded version.

  • Page 37: Step 23 Mk4S Xlcd Adapters Preparation

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 23 MK4S xLCD adapters preparation Insert one M3nS nut into xLCD-adapter_R. Insert one M3nS nut into xLCD-adapter_L. Insert four 3x12sT screws into the adapters and tighten them with a few turns. STEP 24 MK4S adapters securing Attach the xLCD-adapter_R and secure two 3x12sT screw using a T10 Torx key.

  • Page 38: Step 25 Version A: Disassembling The Xlcd

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 25 Version A: Disassembling the xLCD Remove the xLCD-knob and keep it for later use. Release four M3x8 screws securing the xLCD board. Take off the xLCD-support-left. Take off the PE Faston 6.3x0.8 and keep it for later. STEP 26 Version B: Disassembling the xLCD Remove the xLCD-knob and keep it for later use.

  • Page 39: Step 28 Version B: Disassembling The Xlcd

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 27 Version A: Disassembling the xLCD Gently pull out the second xLCD support, it will pull out the xLCD from the xLCD cover. Notice there is a small hook that goes around the circuit board. STEP 28 Version B: Disassembling the xLCD Gently pull out the second xLCD...

  • Page 40: Step 29 Preparing The Xlcd: Parts Preparation

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 29 Preparing the xLCD: parts preparation For the injection molded xLCD on the MK4S are required new supports. Do not mix the old and new parts! The new xLCD brackets can be downloaded from Printables.com For the following steps, please prepare: xLCD-cover (1x) old part...

  • Page 41: Step 31 Version B: Preparing The Xlcd: Parts Preparation

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 31 Version B: Preparing the xLCD: parts preparation M3nS nut (2x) M3x8rT screw (5x) previously removed PE Faston 6.3x0.8 (1x) old part STEP 32 Preparing the xLCD Insert all the way of the M3nS nut into each xLCD-support.

  • Page 42: Step 33 Version A: Preparing The Xlcd

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 33 Version A: Preparing the xLCD Insert the xLCD-support-right on an xLCD. Notice there is a small hook that goes around the circuit board. Insert the xLCD screen with the support all the way in the xLCD-cover. Attach the xLCD-support-left on the xLCD board and align it with two holes in the board.

  • Page 43: Step 35 Version A: Installing The Pe Faston

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 35 Version A: Installing the PE Faston Locate the PE hole on the xLCD next to the xLCD-support-right. Insert the M3x8 and PE faston and secure it with a 2.5mm Allen key. STEP 36 Version B: Installing the PE Faston Insert the M3x8rT screw into the PE hole and secure it.

  • Page 44: Step 37 Assembling The Lcd Knob

    2A. Preparing the printer (MK4/S & 3.9/S) STEP 37 Assembling the LCD knob Attach the xLCD-knob on the encoder. Knob mounting orientation doesn't matter. STEP 38 Haribo time! That was easy, wasn't it? Reward yourself and replenish your energy for the next chapter. Eat the second row of the gummy bears.
  • Page 45 2A. Preparing the printer (MK4/S & 3.9/S) STEP 39 The printer is prepared Carefully place the PSU on the heatbed. Use a piece of cloth as protection. Well done, the printer is prepared. Place the printer aside for some time, we will need it later on. Now, let's go to the next chapter: 3.

  • Page 46: Preparing The Printer (Mk3S+ Black Psu)

    2B. Preparing the printer (MK3S+ Black PSU) Original Prusa Enclosure assembly (external display mounting)

  • Page 47: Step 1 Tools Necessary For This Chapter

    2B. Preparing the printer (MK3S+ Black PSU) STEP 1 Tools necessary for this chapter For the following steps, please prepare: 2.5mm Allen key Needle-nose pliers for cutting zip ties Piece of cloth or fabric (at least 15x15 cm) for covering the heatbed STEP 2 Preparing the printer Before we start with partial disassembling of the printer, proceed with the...

  • Page 48: Step 3 Disconnecting The Lcd Cables

    2B. Preparing the printer (MK3S+ Black PSU) STEP 3 Disconnecting the LCD cables Carefully turn the printer on its side (on the PSU). Disconnect both LCD cables from the LCD board. Very carefully remove the LCD cables from the aluminum frame extrusion. Do not pull on the cable! STEP 4 Removing the LCD cables...

  • Page 49: Step 5 Removing The Lcd Cables

    2B. Preparing the printer (MK3S+ Black PSU) STEP 5 Removing the LCD cables Remove the LCD cables from the cable bundle. Put the printer back on its feet and leave the LCD cables free next to the printer. Avoid placing the printer on LCD cables! STEP 6 Removing the LCD Move the heatbed away from the LCD.

  • Page 50: Step 7 Releasing The Psu

    2B. Preparing the printer (MK3S+ Black PSU) STEP 7 Releasing the PSU Release two screws holding the PSU-cover and remove the cover from the PSU. Loosen two screws holding the PSU on the aluminum extrusion. Do not remove them completely! Keep them in place. Release two round head screws from the front side of the frame securing the PSU.

  • Page 51: Step 9 Guiding The Cables: Parts Preparation

    2B. Preparing the printer (MK3S+ Black PSU) STEP 9 Guiding the cables: parts preparation For the following steps, please prepare: Zip tie (3x) STEP 10 Guiding the cables In the upcoming steps, please tighten all zip ties carefully, as you might pinch/break the cables.

  • Page 52: Step 11 - Guiding The Cables

    2B. Preparing the printer (MK3S+ Black PSU) STEP 11 Guiding the cables Continue downwards and using another zip tie create the next loop. Insert Y-axis motor cable to the current bundle. Push the cable gently in the zip tie and tighten it so it is snug and holding the wires. Be careful not to over tighten the tie as it can cut the wires .

  • Page 53: Step 14 Mounting The Printer Frame Support

    2B. Preparing the printer (MK3S+ Black PSU) STEP 13 Mounting the printer frame support Slide the printer frame support on the screws in the aluminum extrusions (instead of the PSU). Move the printer frame support to the frame. Secure the printer frame support to the frame with two M4x10r screws. STEP 14 Mounting the printer frame support Fully tighten the screws on the...

  • Page 54: Step 15 Covering The Psu Cables: Parts Preparation

    2B. Preparing the printer (MK3S+ Black PSU) STEP 15 Covering the PSU cables: parts preparation For the following steps, please prepare: There are two textile sleeves in your kit with different lengths and diameters. Textile sleeve 8 x 350 mm (1x) Zip tie (2x) STEP 16 Covering the PSU cables...

  • Page 55: Step 17 Covering The Lcd Cables: Parts Preparation

    2B. Preparing the printer (MK3S+ Black PSU) STEP 17 Covering the LCD cables: parts preparation For the following steps, please prepare: Textile sleeve 13 x 400 mm (1x) Zip tie (2x) STEP 18 Covering the LCD cables From the electronics, wrap the LCD cables in the textile sleeve. Wrap the entire length of the LCD cable bundle.

  • Page 56: Step 19 Securing The Cables

    2B. Preparing the printer (MK3S+ Black PSU) STEP 19 Securing the cables Merge the LCD cable bundle and the PSU cable bundle and secure them together with the zip tie. Do not over tighten the zip tie! It can damage the cables. STEP 20 Removing the FS-cover The following procedure is intended...

  • Page 57: Step 21 Installing The New Fs-Cover: Parts Preparation

    2B. Preparing the printer (MK3S+ Black PSU) STEP 21 Installing the new FS-cover: parts preparation For the following steps, please prepare: New FS-cover (1x) Note, that the new FS-cover differs from the old one for the MK3S+. It has a brass insert. M3x10 screw (1x) re-use the old one Fitting QSM-M5 (1x) STEP 22...

  • Page 58: Step 23 Disassembling The Lcd

    2B. Preparing the printer (MK3S+ Black PSU) STEP 23 Disassembling the LCD Remove the SD card from the LCD assembly. Remove the LCD knob and keep it for later use. Release two M3x10 screws securing the LCD screen. Slightly push the latch on the LCD cover and remove the LCD screen. Slide off the LCD supports from the LCD screen.

  • Page 59: Step 26 Preparing The Lcd

    2B. Preparing the printer (MK3S+ Black PSU) STEP 25 Preparing the LCD Insert all the way the M3nS nut into each LCD-support. During handling, be careful that the nuts do not fall out of the parts. STEP 26 Preparing the LCD Slide the LCD-support-L from the left side of the LCD board (side with the SD card slot) to approximately the same position as in the picture.

  • Page 60: Step 27 Assembling The Lcd Knob

    2B. Preparing the printer (MK3S+ Black PSU) STEP 27 Assembling the LCD knob Attach the LCD-knob on the encoder. Knob mounting orientation doesn't matter. STEP 28 Haribo time! That was easy, wasn't it? Reward yourself and replenish your energy for the next chapter. Eat the second row of the gummy bears.

  • Page 61: Step 29 The Printer Is Prepared

    2B. Preparing the printer (MK3S+ Black PSU) STEP 29 The printer is prepared Carefully place the PSU on the heatbed. Use a piece of cloth as protection. Well done, the printer is prepared. Place the printer aside for some time, we will need it later on. Now, let's go to the next chapter: 3.

  • Page 62: Preparing The Printer (Mk3S+ Silver Psu)

    2C. Preparing the printer (MK3S+ Silver PSU) Original Prusa Enclosure assembly (external display mounting)

  • Page 63: Step 1 Tools Necessary For This Chapter

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 1 Tools necessary for this chapter For the following steps, please prepare: 2.5mm Allen key 3.0mm Allen key Needle-nose pliers for cutting zip ties Piece of cloth or fabric (at least 15x15 cm) for covering the heatbed STEP 2 Preparing the printer Before we start with partial disassembling of the printer, proceed with the...

  • Page 64: Step 3 Disconnecting The Lcd Cables

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 3 Disconnecting the LCD cables Carefully turn the printer on its side (on the PSU). Disconnect both LCD cables from the LCD board. Very carefully remove the LCD cables from the aluminum frame extrusion. Do not pull on the cable! STEP 4 Removing the LCD cables...

  • Page 65: Step 5 Removing The Lcd Cables

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 5 Removing the LCD cables Remove the LCD cables from the cable bundle. Put the printer back on its feet and leave the LCD cables free next to the printer. Avoid placing the printer on LCD cables! STEP 6 Removing the LCD Move the heatbed away from the LCD.

  • Page 66: Step 8 Removing The Short Extrusion

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 7 Releasing the PSU Turn the printer and from the rear side of the printer, release two screws securing the PSU on the short aluminum extrusion. Turn the printer with the front side facing you and release two screws securing the PSU to the frame.

  • Page 67: Step 9 Repositioning M3Ne Nuts

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 9 Repositioning M3nE nuts Remove two M3nE nuts from its original position. Reposition two M3nE nuts to the next "channel" on the left in the extrusion. Notice where the anti-vibration foot is. The exact position of the nuts in the channel doesn't matter at the moment.

  • Page 68: Step 11 - Guiding The Cables: Parts Preparation

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 11 Guiding the cables: parts preparation For the following steps, please prepare: Zip tie (3x) STEP 12 Guiding the cables Carefully turn the printer on the "electronics" side. Avoid putting the printer on the LCD cables! Locate the circular holes in the frame near the Z-axis right motor.

  • Page 69: Step 13 Guiding The Cables

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 13 Guiding the cables Continue downwards and using another zip tie create the next loop. Insert Y-axis motor cable to the current bundle. Push the cable gently in the zip tie and tighten it so it is snug and holding the wires. Be careful not to over tighten the tie as it can cut the wires .

  • Page 70: Step 16 Mounting The Printer Frame Support

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 15 Mounting the printer frame support Insert two M3x10 screws into the M3nE nuts. Do not tighten them completely. Five turns will be enough for now. Slide the printer frame support on the screws in the aluminum extrusions (instead of the PSU).

  • Page 71: Step 17 Covering The Psu Cables: Parts Preparation

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 17 Covering the PSU cables: parts preparation For the following steps, please prepare: There are two textile sleeves in your kit with different lengths and diameters. Textile sleeve 8 x 350 mm (1x) Zip tie (2x) STEP 18 Covering the PSU cables...

  • Page 72: Step 19 Covering The Lcd Cables: Parts Preparation

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 19 Covering the LCD cables: parts preparation For the following steps, please prepare: Textile sleeve 13 x 400 mm (1x) Zip tie (2x) STEP 20 Covering the LCD cables From the electronics, wrap the LCD cables in the textile sleeve. Wrap the entire length of the LCD cable bundle.

  • Page 73: Step 21 Securing The Cables

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 21 Securing the cables Merge the LCD cable bundle and the PSU cable bundle and secure them together with the zip tie. Do not over tighten the zip tie! It can damage the cables. STEP 22 Removing the FS-cover The following procedure is intended...

  • Page 74: Step 23 Installing The New Fs-Cover: Parts Preparation

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 23 Installing the new FS-cover: parts preparation For the following steps, please prepare: New FS-cover (1x) Note, that the new FS-cover differs from the old one for the MK3S+. It has a brass insert. M3x10 screw (1x) re-use the old one Fitting QSM-M5 (1x) STEP 24...

  • Page 75: Step 25 Disassembling The Lcd

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 25 Disassembling the LCD Remove the SD card from the LCD assembly. Remove the LCD knob and keep it for later use. Release two M3x10 screws securing the LCD screen. Slightly push the latch on the LCD cover and remove the LCD screen. Slide off the LCD supports from the LCD screen.

  • Page 76: Step 28 Preparing The Lcd

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 27 Preparing the LCD Insert all the way the M3nS nut into each LCD-support. During handling, be careful that the nuts do not fall out of the parts. STEP 28 Preparing the LCD Slide the LCD-support-L from the left side of the LCD board (side with the SD card slot) to approximately the same position as in the picture.

  • Page 77: Step 29 Assembling The Lcd Knob

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 29 Assembling the LCD knob Attach the LCD-knob on the encoder. Knob mounting orientation doesn't matter. STEP 30 Haribo time! That was easy, wasn't it? Reward yourself and replenish your energy for the next chapter. Eat the second row of the gummy bears.

  • Page 78: Step 31 The Printer Is Prepared

    2C. Preparing the printer (MK3S+ Silver PSU) STEP 31 The printer is prepared Carefully place the PSU on the heatbed. Use a piece of cloth as protection. Well done, the printer is prepared. Place the printer aside for some time, we will need it later on. Now, let's go to the next chapter: 3.

  • Page 79: Assembling The Enclosure

    3. Assembling the enclosure Original Prusa Enclosure assembly (external display mounting)

  • Page 80: Step 1 Tools Necessary For This Chapter

    3. Assembling the enclosure STEP 1 Tools necessary for this chapter For this chapter, please prepare: 2.5mm Allen key STEP 2 LONG vs SHORT profile NOTE: There are two types of sheet metal profiles in your kit package. Their only difference is the length.

  • Page 81: Step 3 Assembling The Base Frame: Parts Preparation

    3. Assembling the enclosure STEP 3 Assembling the base frame: parts preparation For the following steps, please prepare: Long profile (2x) Short profile (2x) To be sure, compare the lengths of the profiles. M4x5r screw (8x) STEP 4 Assembling the base frame Place the profiles on the surface like in the picture: Short profile Long profile...

  • Page 82: Step 5 Assembling The Base Frame

    3. Assembling the enclosure STEP 5 Assembling the base frame Attach both assembled base parts together like in the picture. Join them together with four M4x5r screws. STEP 6 Assembling the feet: parts preparation For the following steps, please prepare: Feet-bracket (4x) M3x12 screw (8x) M3n nut (8x)

  • Page 83: Step 7 Feet Bracket Installation

    3. Assembling the enclosure STEP 7 Feet bracket installation Insert two M3n nuts into each feet-bracket. Place the base assembly on top of the original cardboard box (Profiles & Steel sheets), with at least one corner extending over the box. See the correct orientation of the base.

  • Page 84: Step 9 Attaching The Anti-Vibration Pads

    3. Assembling the enclosure STEP 9 Attaching the anti-vibration pads Gently push 8 pads out of the blocks. Keep the remaining four pads as a spare. Peel the protective film from all pads. Be careful, there is glue (adhesive) applied on the pad.

  • Page 85: Step 11 - Assembling The Bottom Panel

    3. Assembling the enclosure STEP 11 Assembling the bottom panel Place the bottom panel on the cardboard box. Place the box so that it is in the center of the panel. Correct panel and frame orientation is crucial! Follow the correct procedure and look carefully at the orientation of the parts in the pictures.

  • Page 86: Step 13 Installing The Anti-Slip Dampers: Parts Preparation

    3. Assembling the enclosure STEP 13 Installing the anti-slip dampers: parts preparation For the following steps, please prepare: Anti-slip damper (4x) Damper-insert (4x) M3x20 screw (4x) STEP 14 Preparing the anti-slip dampers Push the damper-insert into the anti-slip damper. No matter which side, the anti- slip damper is symmetrical.

  • Page 87: Step 15 Mounting The Anti-Slip Dampers

    3. Assembling the enclosure STEP 15 Mounting the anti-slip dampers Place the anti-slip damper on the threaded hole. Insert the M3x20 screw into the anti-slip damper and tighten it. Proceed the same for other anti-slip dampers. To be sure, check if you are using the correct holes! STEP 16 Assembling the supports: parts preparation For the following steps, please prepare:...

  • Page 88: Step 18 Assembling The Supports

    3. Assembling the enclosure STEP 17 Assembling the supports Orient the assembly like in the picture, see the front cutout. BE VERY CAREFUL! Profiles have sharp edges. A falling profile can cause you injury or damage the work surface. Attach the short profile to the right corner. Make sure, there is no PRUSA logo on the lower side of the profile.

  • Page 89: Step 20 Assembling The Top Frame

    3. Assembling the enclosure STEP 19 Assembling the top frame: parts preparation For the following steps, please prepare: Long profile (2x) Short profile (2x) To be sure, compare the lengths of the profiles. M4x5r screw (24x) STEP 20 Assembling the top frame Orient the assembly with the front side facing you.

  • Page 90: Step 22 Assembling The Top Panel: Parts Preparation

    3. Assembling the enclosure STEP 21 Assembling the top frame Turn the assembly with the rear side facing you, see the front cutout. BE VERY CAREFUL! Profiles have sharp edges. A falling profile can cause you injury or damage the work surface. From the rear side, attach the short profile on the supports and secure them with two M4x5r screws on each end.

  • Page 91: Step 23 Preparing The Top Panel

    3. Assembling the enclosure STEP 23 Preparing the top panel For the next step, it is essential to insert the top panel inside the enclosure in the correct orientation. Pay close attention to the pictures and instructions: There are perforations on one side of the top panel - during assembly, perforations must be facing down (they work as zip tie holders).

  • Page 92: Step 25 Installing The Psu-Locks: Parts Preparation

    3. Assembling the enclosure STEP 25 Installing the PSU-locks: parts preparation For the following steps, please prepare: PSU-handle (1x) PSU-lock (4x) M3x8 screws (4x) STEP 26 Installing the PSU-locks Position the enclosure as shown in the picture. The front side (the side with the cutout in the bottom panel) should be on the left.

  • Page 93: Step 27 Mounting The Psu-Locks

    3. Assembling the enclosure STEP 27 Mounting the PSU-locks Take the PSU-handle with the inserted PSU-lock and attach it on the M3x8 screw from the inside. Hold the PSU-handle and tighten the M3x8 screw in the same time. Do not overtighten the screw! The PSU-lock must move freely.

  • Page 94: Step 29 Assembling The Hinges

    3. Assembling the enclosure STEP 29 Assembling the hinges Place the enclosure hinge into the door hinge. See the correct orientation of both parts. Look carefully at the orientation of both parts. Their reverse disassembly is impossible. Insert the pin from both side of the hinge. Push two pins all the way into the hinge against a hard surface (e.g.

  • Page 95: Step 31 Mounting The Hinges

    3. Assembling the enclosure STEP 31 Mounting the hinges Use the same procedure for the remaining three hinges. Mind the correct orientation of the hinges. STEP 32 Assembling the back panel: parts preparation For the following steps, please prepare: Back panel (1x) Do not remove the protective foils from the panel at this time! Nylon rivet (14x) Original Prusa Enclosure assembly (external display mounting)

  • Page 96: Step 33 - Assembling The Back Panel

    3. Assembling the enclosure STEP 33 Assembling the back panel Turn the Enclosure so that the rear side is facing towards you. There are protective foils on both sides of the panel. Peel off both foils. Handle the panel with care. It can be scratched easily. Insert the back panel into the enclosure and attach it to the rear frame from inside.

  • Page 97: Step 35 Assembling The Side Panel (Right): Parts Preparation

    3. Assembling the enclosure STEP 35 Assembling the side panel (right): parts preparation For the following steps, please prepare: Side panel (1x) Do not remove the protective foils from the panel at this time! There are two identical side panels in your package. It doesn't matter which one you choose now.

  • Page 98: Step 37 Assembling The Side Panel (Left): Parts Preparation

    3. Assembling the enclosure STEP 37 Assembling the side panel (left): parts preparation For the following steps, please prepare: Side panel (1x) Do not remove the protective foils from the panel at this time! Nylon rivet (16x) STEP 38 Assembling the side panel (left) There are protective foils on both sides of the panel.

  • Page 99: Step 40 Well Done

    3. Assembling the enclosure STEP 39 Haribo time! You have successfully assembled the base of the enclosure. This requires a certain reward! Eat three gummy bears from the third row. Leave the others! STEP 40 Well done! Good job! You have successfully assembled the base of the enclosure.

  • Page 100: Step 41 Psu Variant For Mk3S

    3. Assembling the enclosure STEP 41 PSU variant for MK3S+ Now follow the chapter depending on which PSU variant you have on your printer: Black PSU: go to the next chapter 4A. Installing the printer (MK3S+ Black PSU) Silver PSU: go to the next chapter 4B.

  • Page 101: Installing The Printer (Mk4/S & 3.9/S)

    4A. Installing the printer (MK4/S & 3.9/S) Original Prusa Enclosure assembly (external display mounting)

  • Page 102: Step 1 Tools Necessary For This Chapter

    4A. Installing the printer (MK4/S & 3.9/S) STEP 1 Tools necessary for this chapter For this chapter, please prepare: 2.5mm Allen key Needle-nose pliers Phillips screwdriver PH2 Pocket knife or snap-off knife STEP 2 Assembling the PSU holder: parts preparation For the following steps, please prepare: PSU holder (1x)

  • Page 103: Step 3 Assembling The Psu Holder: Parts Preparation

    4A. Installing the printer (MK4/S & 3.9/S) STEP 3 Assembling the PSU holder: parts preparation For the following steps, please prepare: M3x12 screw (4x) Standoff (2x) M3nS nut (2x) 6/32" screw (1x) M4x5r screw (1x) Magnet 20x6x2 (3x) STEP 4 Assembling the PSU holder Push three magnets into the PSU-retainer.

  • Page 104: Step 5 Assembling The Psu Holder

    4A. Installing the printer (MK4/S & 3.9/S) STEP 5 Assembling the PSU holder Push two M3x12 screws through the holes in the PSU holder. Align the PSU-handle with the screws. Maintain the same orientation of the PSU- handle, like in the picture - see the pockets. Join the handle with PSU holder by tightening both M3x12 screws.

  • Page 105: Step 8 Assembling The Psu Holder

    4A. Installing the printer (MK4/S & 3.9/S) STEP 7 Assembling the PSU holder Prepare the printer with the PSU. Place the PSU on the cloth. Align the open grooves in the PSU against the screws on the PSU holder. Slide the PSU on these screws and tighten the screws using a 2.5mm Allen key. STEP 8 Assembling the PSU holder On the PSU side, align the hole in the PSU holder with the hole in the PSU.

  • Page 106: Step 9 Covering The Psu: Parts Preparation

    4A. Installing the printer (MK4/S & 3.9/S) STEP 9 Covering the PSU: parts preparation For the following steps, please prepare: PSU-cover (1x) re-use the old part M3x10 screw (2x) re-use the old part Zip tie (1x) STEP 10 Covering the PSU Mount the PSU cover back on the PSU using two M3x10 screws.

  • Page 107: Step 11 Guiding The Psu Cable Bundle

    4A. Installing the printer (MK4/S & 3.9/S) STEP 11 Guiding the PSU cable bundle Guide the PSU cable bundle through the opening in the PSU holder. From the rear side of the PSU holder, push the zip tie through the perforation on the holder.

  • Page 108: Step 13 Installing The Printer

    4A. Installing the printer (MK4/S & 3.9/S) STEP 13 Installing the printer To get the printer into the enclosure, insert its left side first. Avoid scratching the side panels with the printer! Place the printer at an angle (as shown in the picture) in the enclosure behind the anti-slip dampers.

  • Page 109: Step 15 Installing The Psu

    4A. Installing the printer (MK4/S & 3.9/S) STEP 15 Installing the PSU Tilt the PSU towards the back panel. The PSU must be outside the enclosure and the PSU holder inside the enclosure. The PSU holder must fit perfectly on all four PSU-locks. Turn all PSU-lock 90°...

  • Page 110: Step 17 Mounting The Xlcd: Parts Preparation

    4A. Installing the printer (MK4/S & 3.9/S) STEP 17 Mounting the xLCD: parts preparation For the following steps, please prepare: For MK4S/3.9S users: MK4S xLCD assembly (1x) Now continue to the step Version B: Mounting the xLCD. The process is the same as the Version B mounting.

  • Page 111: Step 19 Version B: Mounting The Xlcd

    4A. Installing the printer (MK4/S & 3.9/S) STEP 19 Version B: Mounting the xLCD Guide the xLCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie. Do not over tighten the zip tie, it may cut the cables! Place the xLCD assembly close to the xLCD cables, like in the picture.

  • Page 112: Step 21 Securing The Xlcd Cable

    4A. Installing the printer (MK4/S & 3.9/S) STEP 21 Securing the xLCD cable Guide the zip tie through the perforation in the bottom panel and under the xLCD cable bundle. Tighten the zip tie to secure the xLCD cable bundle. Do not over tighten the zip tie, it may cut the cables! STEP 22 Assembling the filament guide: parts preparation...

  • Page 113: Step 23 Assembling The Filament Guide

    4A. Installing the printer (MK4/S & 3.9/S) STEP 23 Assembling the filament guide Insert five M3n nuts into the Filament-guide-a. Attach the Filament-guide-b on the Filament-guide-a part and join them together by three M3x8 screws. Do not tighten the screws completely, a few turns are enough for now.

  • Page 114: Step 25 Guiding The Ptfe Tube

    4A. Installing the printer (MK4/S & 3.9/S) STEP 25 Guiding the PTFE tube Guide the PTFE tube to the front top right of the frame. Secure the tube with the zip tie to the frame. Insert the free end of the PTFE tube to the Fitting QSM-M5 on the extruder. Insert it all the way down.

  • Page 115: Step 27 Assembling The Thermometer

    4A. Installing the printer (MK4/S & 3.9/S) STEP 27 Assembling the thermometer Insert two M3n nuts into the Thermometer-bracket. Pull out the plastic tab from the temperature sensor. Insert the temperature sensor in the Thermometer-bracket. Push on it by your thumbs until you feel a slight "click".

  • Page 116: Step 29 Assembling Doors: Parts Preparation

    4A. Installing the printer (MK4/S & 3.9/S) STEP 29 Assembling doors: parts preparation For the following steps, please prepare: M3n nut (8x) M3x12 screw (4x) Magnet 20x6x2 (4x) M3x8 screw (16x) STEP 30 Assembling the door magnets There is a pocket in each Door-magnet (A and B) part. Place the magnet close to the pocket.

  • Page 117: Step 31 Assembling Doors

    4A. Installing the printer (MK4/S & 3.9/S) STEP 31 Assembling doors There are protective foils on both sides of the panel. Peel off both foils. Place the edge of the door panel on the door trim. Both sides of the panel are symmetrical.

  • Page 118: Step 33 Mounting The Door Handles

    4A. Installing the printer (MK4/S & 3.9/S) STEP 33 Mounting the door handles Do not overtighten the screws in the door panel! The panel could crack. Insert two M3x12 screws through the holes in the door assembly. In the picture, notice from which side the screws are inserted.

  • Page 119: Step 34 Installing The Door

    4A. Installing the printer (MK4/S & 3.9/S) STEP 34 Installing the door Do not overtighten the screws in the door panel! The panel could crack. Take one of the door assemblies and place it on the open hinges on the right side of the enclosure.

  • Page 120: Step 36 Installing The Top Plugs

    4A. Installing the printer (MK4/S & 3.9/S) STEP 36 Installing the top plugs Insert the Top-plug-edge to the cutout in the front of the top panel. The top surface of the printed part must be flushed with the top surface of the profile.

  • Page 121: Step 38 Installing Spool Holder: Parts Preparation

    4A. Installing the printer (MK4/S & 3.9/S) STEP 38 Installing spool holder: parts preparation For the following steps, please prepare: Spool-holder-r (1x) Side arm (1x) M3x12 screw (2x) M3n nut (2x) STEP 39 Installing spool holder Completely insert two M3n nuts into the holes in the Spool-holder-r. From the inside, attach the Spool-holder-r to the corner on the right side of the enclosure.

  • Page 122: Step 40 Mk4S Spool Installation

    4A. Installing the printer (MK4/S & 3.9/S) STEP 40 MK4S Spool installation After assembly, ensure there is sufficient space between the inside wall of the enclosure and the Nextruder when it is in the top-right position. When printing at the full height of the printer, the Nextruder may come into contact with the filament spool.

  • Page 123: Step 42 Installing The Transport Handle (Optional)

    4A. Installing the printer (MK4/S & 3.9/S) STEP 42 Installing the transport handle (optional) Insert two M3nS nuts from the side into each Transport-handle. Insert the M3nS nut from the other side into each Transport-handle. Using the knife, CAREFULLY cut off all supports of each handle cutout on the side panels and remove it.

  • Page 124: Step 44 Reward Yourself

    4A. Installing the printer (MK4/S & 3.9/S) STEP 44 Reward yourself! Wasn't it difficult? Of course not. We hope you enjoyed the assembling. Don't forget to reward yourself. Eat the remaining gummy bears. STEP 45 That's it! Before you start printing with the printer in the enclosure, do the following: Place the steel sheet on the heatbed.

  • Page 125: Step 46 Enclosure Add-Ons

    4A. Installing the printer (MK4/S & 3.9/S) STEP 46 Enclosure add-ons The procedure for installing the listed add-ons is common for both the MK3S+, MK4 and MK3.9. List of available guides for Enclosure add-ons: Fire Suppression System Hinged Lid Advanced filtration system Mechanical lock White LED strip Quick release PSU cable - MK4/MK3.9 Black PSU (add-on)

  • Page 126: Installing The Printer (Mk3S+ Black Psu)

    4B. Installing the printer (MK3S+ Black PSU) Original Prusa Enclosure assembly (external display mounting)

  • Page 127: Step 1 Tools Necessary For This Chapter

    4B. Installing the printer (MK3S+ Black PSU) STEP 1 Tools necessary for this chapter For this chapter, please prepare: 2.5mm Allen key Needle-nose pliers Phillips screwdriver PH2 Pocket knife or snap-off knife STEP 2 Assembling the PSU holder: parts preparation For the following steps, please prepare: PSU holder (1x)

  • Page 128: Step 3 Assembling The Psu Holder: Parts Preparation

    4B. Installing the printer (MK3S+ Black PSU) STEP 3 Assembling the PSU holder: parts preparation For the following steps, please prepare: M3x12 screw (4x) Standoff (2x) M3nS nut (2x) 6/32" screw (1x) M4x5r screw (1x) Magnet 20x6x2 (3x) STEP 4 Assembling the PSU holder Push three magnets into the PSU-retainer.

  • Page 129: Step 5 Assembling The Psu Holder

    4B. Installing the printer (MK3S+ Black PSU) STEP 5 Assembling the PSU holder Push two M3x12 screws through the holes in the PSU holder. Align the PSU-handle with the screws. Maintain the same orientation of the PSU- handle, like in the picture - see the pockets. Join the handle with PSU holder by tightening both M3x12 screws.

  • Page 130: Step 8 Assembling The Psu Holder

    4B. Installing the printer (MK3S+ Black PSU) STEP 7 Assembling the PSU holder Prepare the printer with the PSU. Place the PSU on the cloth. Align the open grooves in the PSU against the screws on the PSU holder. Slide the PSU on these screws and tighten the screws. STEP 8 Assembling the PSU holder On the PSU side, align the hole in the PSU holder with the hole in the PSU.

  • Page 131: Step 9 Covering The Psu: Parts Preparation

    4B. Installing the printer (MK3S+ Black PSU) STEP 9 Covering the PSU: parts preparation For the following steps, please prepare: PSU-cover (1x) re-use the old part M3x10 screw (2x) re-use the old part Zip tie (1x) STEP 10 Covering the PSU Mount the PSU cover back on the PSU using two M3x10 screws.

  • Page 132: Step 11 Guiding The Psu Cable Bundle

    4B. Installing the printer (MK3S+ Black PSU) STEP 11 Guiding the PSU cable bundle Guide the PSU cable bundle through the opening in the PSU holder. From the rear side of the PSU holder, push the zip tie through the perforation on the holder.

  • Page 133: Step 13 Installing The Printer

    4B. Installing the printer (MK3S+ Black PSU) STEP 13 Installing the printer To get the printer into the enclosure, insert its left side first. Avoid scratching the side panels with the printer! Place the printer at an angle (as shown in the picture) in the enclosure behind the anti-slip dampers.

  • Page 134: Step 15 Installing The Psu

    4B. Installing the printer (MK3S+ Black PSU) STEP 15 Installing the PSU Tilt the PSU towards the back panel. The PSU must be outside the enclosure and the PSU holder inside the enclosure. The PSU holder must fit perfectly on all four PSU-locks. Turn all PSU-lock 90°...

  • Page 135: Step 17 Mounting The Lcd: Parts Preparation

    4B. Installing the printer (MK3S+ Black PSU) STEP 17 Mounting the LCD: parts preparation For the following steps, please prepare: LCD assembly (1x) M3x8 screw (2x) Zip tie (2x) STEP 18 Mounting the LCD Guide the LCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie.

  • Page 136: Step 19 Securing The Lcd Cable

    4B. Installing the printer (MK3S+ Black PSU) STEP 19 Securing the LCD cable Guide the zip tie through the perforation in the bottom panel and under the LCD cable bundle. Tighten the zip tie to secure the LCD cable bundle. Do not over tighten the zip tie, it may cut the cables! STEP 20 Assembling the filament guide: parts preparation...

  • Page 137: Step 21 Assembling The Filament Guide

    4B. Installing the printer (MK3S+ Black PSU) STEP 21 Assembling the filament guide Insert five M3n nuts into the Filament-guide-a. Attach the Filament-guide-b on the Filament-guide-a part and join them together by three M3x8 screws. Do not tighten the screws completely, a few turns are enough for now.

  • Page 138: Step 23 Guiding The Ptfe Tube

    4B. Installing the printer (MK3S+ Black PSU) STEP 23 Guiding the PTFE tube Guide the PTFE tube to the top frame. Secure the tube with the zip tie to the frame. Insert the free end of the PTFE tube to the Fitting QSM-M5 on the extruder. Insert it all the way down.

  • Page 139: Step 25 Assembling The Thermometer

    4B. Installing the printer (MK3S+ Black PSU) STEP 25 Assembling the thermometer Insert two M3n nuts into the Thermometer-bracket. Insert the temperature sensor in the Thermometer-bracket. Push on it by your thumbs until you feel a slight "click". Avoid pressing on the screen, you can damage it.

  • Page 140: Step 27 Assembling Doors: Parts Preparation

    4B. Installing the printer (MK3S+ Black PSU) STEP 27 Assembling doors: parts preparation For the following steps, please prepare: M3n nut (8x) M3x12 screw (4x) Magnet 20x6x2 (4x) M3x8 screw (16x) STEP 28 Assembling the door magnets There is a pocket in each Door-magnet (A and B) part. Place the magnet close to the pocket.

  • Page 141: Step 29 Assembling Doors

    4B. Installing the printer (MK3S+ Black PSU) STEP 29 Assembling doors There are protective foils on both sides of the panel. Peel off both foils. Place the edge of the door panel on the door trim. Both sides of the panel are symmetrical.

  • Page 142: Step 31 Mounting The Door Handles

    4B. Installing the printer (MK3S+ Black PSU) STEP 31 Mounting the door handles Do not overtighten the screws in the door panel! The panel could crack. Insert two M3x12 screws through the holes in the door assembly. In the picture, notice from which side the screws are inserted.

  • Page 143: Step 32 Installing The Door

    4B. Installing the printer (MK3S+ Black PSU) STEP 32 Installing the door Do not overtighten the screws in the door panel! The panel could crack. Take one of the door assemblies and place it on the open hinges on the right side of the enclosure.

  • Page 144: Step 34 Installing The Top Plugs

    4B. Installing the printer (MK3S+ Black PSU) STEP 34 Installing the top plugs Insert the Top-plug-edge to the cutout in the front of the top panel. The top surface of the printed part must be flushed with the top surface of the profile.

  • Page 145: Step 36 Installing Spool Holder: Parts Preparation

    4B. Installing the printer (MK3S+ Black PSU) STEP 36 Installing spool holder: parts preparation For the following steps, please prepare: Spool-holder-r (1x) Side arm (1x) M3x12 screw (2x) M3n nut (2x) STEP 37 Installing spool holder Completely insert two M3n nuts into the holes in the Spool-holder-r. From the inside, attach the Spool-holder-r to the corner on the right side of the enclosure.

  • Page 146: Step 38 Transport Handle (Optional): Parts Preparation

    4B. Installing the printer (MK3S+ Black PSU) STEP 38 Transport handle (optional): parts preparation Some of the following steps are marked as optional. If you do not need to install the handles at this time, skip to Reward yourself! For the following steps, please prepare: Transport-handle (2x) this part is not included in the package, you will need to print it out M3nS nut (6x)

  • Page 147: Step 40 Installing The Transport Handle (Optional)

    4B. Installing the printer (MK3S+ Black PSU) STEP 40 Installing the transport handle (optional) From the inside of the enclosure, push on the nylon rivets using the pliers. And pull them out from the outside. From the inside, place the Transport-handle into the same shape cutout. Secure it with three M3x12 screws.

  • Page 148: Step 42 That's It

    4B. Installing the printer (MK3S+ Black PSU) STEP 42 That's it! Before you start printing with the printer in the enclosure, do the following: Place the steel sheet on the heatbed. Double-check it is oriented correctly. On the printer screen navigate to Calibration -> Calibrate Z and following the instructions on the display.

  • Page 149: Installing The Printer (Mk3S+ Silver Psu)

    4C. Installing the printer (MK3S+ Silver PSU) Original Prusa Enclosure assembly (external display mounting)

  • Page 150: Step 1 Tools Necessary For This Chapter

    4C. Installing the printer (MK3S+ Silver PSU) STEP 1 Tools necessary for this chapter For this chapter, please prepare: 2.5mm Allen key Needle-nose pliers STEP 2 Assembling the PSU holder: parts preparation For the following steps, please prepare: PSU holder (1x) PSU-handle (1x) PSU-holder-plug (1x) SILVER-PSU-retainer (1x) the part you printed...

  • Page 151: Step 3 Assembling The Psu Holder: Parts Preparation

    4C. Installing the printer (MK3S+ Silver PSU) STEP 3 Assembling the PSU holder: parts preparation For the following steps, please prepare: M3x12 screw (4x) M3nS nut (2x) M4x5r screw (2x) Magnet 20x6x2 (3x) STEP 4 Assembling the PSU holder Push three magnets into the Silver-PSU-retainer. Insert two M3nS nuts into the PSU-handle.

  • Page 152: Step 5 Assembling The Psu Holder

    4C. Installing the printer (MK3S+ Silver PSU) STEP 5 Assembling the PSU holder Push two M3x12 screws through the holes in the PSU holder. Align the PSU-handle with the screws. Maintain the same orientation of the PSU- handle, like in the picture - see the pockets. Join the handle with PSU holder by tightening both M3x12 screws.

  • Page 153: Step 8 Assembling The Psu Holder

    4C. Installing the printer (MK3S+ Silver PSU) STEP 7 Assembling the PSU holder On the side without PSU-handle on the PSU-holder locate the cutout. Bend the cutout by pushing your finger towards the side with the handle. Straighten the bent sheet to approximately 90°. STEP 8 Assembling the PSU holder Attach the PSU holder so that the plastic protrusion fits on the bent sheet.

  • Page 154: Step 9 Attaching The Silver-Psu-Retainer

    4C. Installing the printer (MK3S+ Silver PSU) STEP 9 Attaching the SILVER-PSU-retainer On the side of the PSU locate the hole shown in the picture. Attach the SILVER-PSU-retainer to the PSU and align the holes in both parts. Secure both parts with M4x5r screw. STEP 10 Guiding the PSU cable bundle From the rear side of the PSU holder, push the zip tie through the perforation on...

  • Page 155: Step 11 - Installing The Printer

    4C. Installing the printer (MK3S+ Silver PSU) STEP 11 Installing the printer Ensure the PSU-locks are still turned at the same position: On the bottom frame, turn the PSU-locks to the horizontal position. On the support, turn the PSU-lock to the vertical position. Place the PSU on the heatbed protected with cloth.

  • Page 156: Step 14 Installing The Psu

    4C. Installing the printer (MK3S+ Silver PSU) STEP 13 Installing the PSU From inside the enclosure, grasp the PSU by its handle in your hand. It is more convenient to use the right hand. Insert the PSU through the hole at the bottom of the back panel. Start by pushing through the part with the PSU-retainer (the part with the magnets).

  • Page 157: Step 15 Adjusting The Printer

    4C. Installing the printer (MK3S+ Silver PSU) STEP 15 Adjusting the printer Rearrange position of the printer like in the picture. Place it in the center of the enclosure and adjust the correct position: The two rear anti-slip dampers must be locked against the rear plate from the inside.

  • Page 158: Step 17 Mounting The Lcd

    4C. Installing the printer (MK3S+ Silver PSU) STEP 17 Mounting the LCD Guide the LCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie. Do not over tighten the zip tie, it may cut the cables! From the inside, push two M3x8 screws through the bottom profile.

  • Page 159: Step 19 Assembling The Filament Guide: Parts Preparation

    4C. Installing the printer (MK3S+ Silver PSU) STEP 19 Assembling the filament guide: parts preparation For the following steps, please prepare: Filament-guide-a (1x) Filament-guide-b (1x) M3n nut (5x) M3x12 screw (2x) M3x8 screw (3x) PTFE tube (1x) 2.5x4x650 mm STEP 20 Assembling the filament guide Insert five M3n nuts into the Filament-guide-a.

  • Page 160: Step 21 Mounting The Filament Guide

    4C. Installing the printer (MK3S+ Silver PSU) STEP 21 Mounting the filament guide Fully tighten all screws on the filament guide assembly. Align the holes in the filament guide and holes in the front-right top corner of the frame. See the orientation of the filament guide. Secure the filament guide to the frame with two M3x12 screws.

  • Page 161: Step 23 Assembling The Thermometer: Parts Preparation

    4C. Installing the printer (MK3S+ Silver PSU) STEP 23 Assembling the thermometer: parts preparation For the following steps, please prepare: Temperature sensor (1x) Thermometer-bracket (1x) M3x8 screw (2x) M3n nut (2x) STEP 24 Assembling the thermometer Insert two M3n nuts into the Thermometer-bracket. Insert the temperature sensor in the Thermometer-bracket.

  • Page 162: Step 26 Assembling Doors: Parts Preparation

    4C. Installing the printer (MK3S+ Silver PSU) STEP 25 Assembling doors: parts preparation For the following steps, please prepare: Door panel (2x) Door-magnet-a (1x) Door-magnet-b (1x) Door handle (2x) Door trim (2x) The list continues in the next step... STEP 26 Assembling doors: parts preparation For the following steps, please prepare: M3n nut (8x)

  • Page 163: Step 27 Assembling The Door Magnets

    4C. Installing the printer (MK3S+ Silver PSU) STEP 27 Assembling the door magnets There is a pocket in each Door-magnet (A and B) part. Place the magnet close to the pocket. Push the magnet all the way into the pocket. Insert two M3n nuts into each Door-magnet (A and B) part.

  • Page 164: Step 29 Installing The Door Magnets

    4C. Installing the printer (MK3S+ Silver PSU) STEP 29 Installing the door magnets Do not overtighten the screws in the door panel! The panel could crack. Insert the door-magnet-a under the left side of the door trim and the door panel. Secure it with two M3x8 screws.

  • Page 165: Step 31 Installing The Door

    4C. Installing the printer (MK3S+ Silver PSU) STEP 31 Installing the door Do not overtighten the screws in the door panel! The panel could crack. Take one of the door assemblies and place it on the open hinges on the right side of the enclosure.

  • Page 166: Step 33 Installing The Top Plugs

    4C. Installing the printer (MK3S+ Silver PSU) STEP 33 Installing the top plugs Insert the Top-plug-edge to the cutout in the front of the top panel. The top surface of the printed part must be flushed with the top surface of the profile.

  • Page 167: Step 35 Installing Spool Holder: Parts Preparation

    4C. Installing the printer (MK3S+ Silver PSU) STEP 35 Installing spool holder: parts preparation For the following steps, please prepare: Spool-holder-r (1x) Side arm (1x) M3x12 screw (2x) M3n nut (2x) STEP 36 Installing spool holder Completely insert two M3n nuts into the holes in the Spool-holder-r. From the inside, attach the Spool-holder-r to the corner on the right side of the enclosure.

  • Page 168: Step 37 Transport Handle (Optional): Parts Preparation

    4C. Installing the printer (MK3S+ Silver PSU) STEP 37 Transport handle (optional): parts preparation Some of the following steps are marked as optional. If you do not need to install the handles at this time, skip to Reward yourself! For the following steps, please prepare: Transport-handle (2x) this part is not included in the package, you will need to print it out M3nS nut (6x)

  • Page 169: Step 39 Installing The Transport Handle (Optional)

    4C. Installing the printer (MK3S+ Silver PSU) STEP 39 Installing the transport handle (optional) From the inside of the enclosure, push on the nylon rivets using the pliers. And pull them out from the outside. From the inside, place the Transport-handle into the same shape cutout. Secure it with three M3x12 screws.

  • Page 170: Step 41 That's It

    4C. Installing the printer (MK3S+ Silver PSU) STEP 41 That's it! Before you start printing with the printer in the enclosure, do the following: Perform XYZ axis calibration. On the printer screen, navigate to Calibration -> Calibrate XYZ and follow the instructions on the display. Calibrate the first layer by following the procedure in this article: First Layer Calibration...

  • Page 171: Manual Changelog Enclosure Kit

    Manual changelog Enclosure kit Original Prusa Enclosure assembly (external display mounting)

  • Page 172: Step 1 Versions History

    Manual changelog Enclosure kit STEP 1 Versions history Versions of the Original Prusa Enclosure manual: 08/2022 - Initial version 1.00 09/2022 - Updated to version 1.01 10/2022 - Updated to version 1.02 11/2022 - Updated to version 1.03 05/2024 - Updated to version 1.1 STEP 2 Changes to the manual (1) 09/2022 - Silver PSU installation.

  • Page 173: Step 3 - Changes To The Manual

    Manual changelog Enclosure kit STEP 3 Changes to the manual (2) 10/2022 - New add-ons Advanced filtration system Mechanical lock Quick release PSU cable - MK3S+ Black PSU White LED strip Manual version 1.02 STEP 4 Changes to the manual (3) 11/2022 - Add-ons Added instructions for installing an external XP Power PSU for the White LED strip and Advanced filtration system add-ons.

  • Page 174: Step 5 - Changes To The Manual

    Manual changelog Enclosure kit STEP 5 Changes to the manual (4) 05/2024 - applies to MK4, MK3.9, MK3S+ installation As of the end of May 2024, parts for mounting the display outside the enclosure are no longer included. Therefore, the display now remains on the printer inside the enclosure.

  • Page 175: Fire Suppression System (Add-On)

    5. Fire Suppression System (add-on) Original Prusa Enclosure assembly (external display mounting)

  • Page 176: Step 1 Introduction

    5. Fire Suppression System (add-on) STEP 1 Introduction This guide will take you through the installation of the Fire Suppression System into the Original Prusa Enclosure. STEP 2 Tools necessary for this guide For this guide, please prepare: 2.5mm Allen key Piece of cloth or fabric (at least 20x20 cm) for covering the heatbed Original Prusa Enclosure assembly (external display mounting)

  • Page 177: Step 3 Preparing The Printer

    5. Fire Suppression System (add-on) STEP 3 Preparing the printer Make sure the printer is turned OFF and cool down! Before you proceed, it is recommended to protect the heatbed. Take off the flexible steel sheet. Use any cloth or piece of fabric, which is thick enough and cover the heatbed.

  • Page 178: Step 5 Mounting The P-Clamp

    5. Fire Suppression System (add-on) STEP 5 Mounting the P-clamp Unscrew both M3x12 screws from the nuts. Locate two holes (the two farther apart) on the rear side of the top panel and insert the M3x12 screws into both holes. STEP 6 Mounting the P-clamp From the inside, locate the inserted M3x12 screws on the right side of the top panel.

  • Page 179: Step 7 Installing The Automatic Suppression System

    5. Fire Suppression System (add-on) STEP 7 Installing the automatic suppression system Insert the metal end of the tube into the P-clamp. If it is difficult to insert the tube into the P-clamp, loosen the nut a little. But be careful not to drop the P-clamp! Make sure the nut is accessible from the front.

  • Page 180: Step 9 That's It

    5. Fire Suppression System (add-on) STEP 9 That's it! Congratulations! You just successfully installed the Fire Suppression System. Original Prusa Enclosure assembly (external display mounting)

  • Page 181: Hinged Lid (Add-On)

    6. Hinged Lid (add-on) Original Prusa Enclosure assembly (external display mounting)

  • Page 182: Step 1 Introduction

    6. Hinged Lid (add-on) STEP 1 Introduction This guide will take you through the installation of the Hinged lid on the Original Prusa Enclosure. Before you start installing the add-on, PRINT OUT ALL NECESSARY PLASTIC PARTS! The parts are available for download at Printables.com. All necessary fasteners are already included in the Enclosure kit.

  • Page 183: Step 3 Removing The Covers

    6. Hinged Lid (add-on) STEP 3 Removing the covers From inside, push out the nylon rivet securing the Top-plug-edge in the front of the enclosure. Use the needle-nose pliers to push on the nylon rivet. Remove the Top-plug-edge part from the enclosure. Using the same procedure remove the Top-plug-edge on the rear side.

  • Page 184: Step 5 Installing The Lid Hinges: Parts Preparation

    6. Hinged Lid (add-on) STEP 5 Installing the lid hinges: parts preparation For the following steps, please prepare: Hinge-bracket-L (1x) Hinge-bracket-R (1x) Note that, after printing, both the hinge brackets have an internal support structure which needs to be removed before use. See the last picture. Hinge-lever (2x) Pin 3x20 (2x) M3x8 screw (8x)

  • Page 185: Step 7 Assembling The Lid Hinges

    6. Hinged Lid (add-on) STEP 7 Assembling the lid hinges Insert three M3n nuts into each hinge assembly. STEP 8 Installing the lid hinges If you have installed the Advanced filtration system add-on, use the hinge-bracket- Rt available on printables.com Turn the enclosure with the rear side facing you.

  • Page 186: Step 9 Installing The Lid Hinges

    6. Hinged Lid (add-on) STEP 9 Installing the lid hinges Focus on the right top corner on the rear side of the enclosure. From inside, push out the first nylon rivet from the right. Use the needle-nose pliers to push on the nylon rivet. Into the same hole, insert the M3x8 screw from inside.

  • Page 187: Step 11 - Installing The Top Panel

    6. Hinged Lid (add-on) STEP 11 Installing the top panel Place the top panel on the top of the enclosure and make sure that: Perforations on the top panel are facing up. The side with the more distant threaded columns is at the rear (close to the hinges).

  • Page 188: Step 13 Installing The Covers

    6. Hinged Lid (add-on) STEP 13 Installing the covers Place the Top-plug-center on the rectangular hole in the top panel and secure it with two nylon rivets. Place the Top-plug-rear to the cutout on the rear side of the top panel and secure it with the nylon rivet.

  • Page 189: Step 15 Mounting The Handle

    6. Hinged Lid (add-on) STEP 15 Mounting the handle Insert the M3nS nut all the way into the Lid-handle. Attach the Lid-handle to the top panel on the front edge and secure it with two M3x8 screws. Do not overtighten the screws! It can damage the thread in the metal sheet. Open the lid and secure the handle from inside using the third M3x8 screw.

  • Page 190: Step 17 Mounting The Locks

    6. Hinged Lid (add-on) STEP 17 Mounting the locks Turn the enclosure with the front side facing you and focus on the right top corner. From inside, insert one M3x8 screw through the first hole from the left on the top front profile.

  • Page 191: Step 19 Mmu Installation

    6. Hinged Lid (add-on) STEP 19 MMU Installation Great job! You’ve successfully installed the hinged lid. If you're using a single- material printer, your work is complete. For installing the MMU3 into the Original Prusa Enclosure, continue with the following guide: 6A.

  • Page 192: 6A. Hinged Lid With Mmu3

    6A. Hinged Lid with MMU3 Original Prusa Enclosure assembly (external display mounting)

  • Page 193: Step 1 Introduction

    6A. Hinged Lid with MMU3 STEP 1 Introduction This chapter guides you through the installation of the MMU3 into the Enclosure. The MMU3 can only be installed after the Hinged Lid is in place. Since the MMU3 is compatible with multiple printer models, note that some parts of your printer may slightly differ from the pictures.

  • Page 194: Step 3 Lcd Removal

    6A. Hinged Lid with MMU3 STEP 3 LCD Removal If you have the LCD mounted on the enclosure, follow these steps: From the inside, remove the two screws holding the LCD Disconnect the LCD cable / cables. On MK4/S, disconnect also the grounding connector. Move the cable bundle to the inside of the enclosure.

  • Page 195: Step 5 Filament Guide Removal

    6A. Hinged Lid with MMU3 STEP 5 Filament Guide Removal Press down the collet on the filament fitting on the extruder. While keeping the collet pressed, pull the PTFE tube out of the fitting. Cut the zip tie securing the PTFE tube on the inner side of the top front profile. Remove the two screws securing the filament guide and take it out of the enclosure.

  • Page 196: Step 7 Printer Removal

    6A. Hinged Lid with MMU3 STEP 7 Printer Removal Open the top lid. Grasp the printer by its frame and carefully lift it out of the enclosure. Avoid scratching the printer and enclosure. STEP 8 MMU3 Installation If you are installing a new MMU3 unit onto the printer: If necessary, re-connect the LCD to the printer so that it’s...

  • Page 197: Step 9 Buffer Removal

    6A. Hinged Lid with MMU3 STEP 9 Buffer Removal Disconnect ALL PTFE tubes from the buffer. Move the buffer away from the printer. In the following steps, we will prepare the Enclosure and modify the Buffer before installing them into the Enclosure. STEP 10 Spool Holders: Parts preparation For the following steps, please prepare:...

  • Page 198: Step 12 - Spool Holders Preparation

    6A. Hinged Lid with MMU3 STEP 11 Spool Holders Preparation 1 Take one spool holder. Add the Cap part onto the small tubular part of the spool holder. Insert the M3x20 screw through the tubular part and tighten it against the Cap. Ensure it’s tight enough to hold the Cap in place, but still allows it to rotate.

  • Page 199: Step 13 - Spool Holders Installation

    6A. Hinged Lid with MMU3 STEP 13 Spool Holders Installation 1 Now, let's move on to the right side of the enclosure. Run two M3x12 screws through the marked openings, from the inside to the outside. Mount the first spool holder onto the screws. Tighten the screws fully. STEP 14 Spool Holders Installation 2 Using two M3x12 screws, attach a second spool holder into the bottom front corner.

  • Page 200: Step 15 Internal Lock Parts Preparation

    6A. Hinged Lid with MMU3 STEP 15 Internal Lock parts preparation For the following steps, please prepare: Internal Lock A (1x) Internal Lock B (1x) M3x12 screw black (1x) STEP 16 Internal Lock Preparation Insert the M3x12 screw through the Lock B part. Orient Lock B with the screw pointing upwards and the small protruding part being on the left.

  • Page 201: Step 17 Internal Lock Installation

    6A. Hinged Lid with MMU3 STEP 17 Internal Lock Installation Open the top lid and remove the screw on the inside that secures the handle. Orient the lock so that the small protruding part aligns with the opening in the sheet metal.

  • Page 202: Step 19 Ptfe Side Holder Preparation

    6A. Hinged Lid with MMU3 STEP 19 PTFE Side Holder Preparation Insert two M3nN nuts into the corresponding openings on both the PTFE side holders. STEP 20 PTFE Side Holder Installation 1 On the left side of the enclosure, remove the marked nylon rivet. From inside the enclosure, push the center pin of the rivet, then pull the entire rivet out from the outside.
  • Page 203 6A. Hinged Lid with MMU3 STEP 21 PTFE Side Holder Installation 2 On the right side of the enclosure, remove the marked nylon rivet. Using the two M3x8 screws, fix the other PTFE Side Holder in place. Make sure the lifted part of the holder is pointing towards the front of the Enclosure! STEP 22 Covers Removal...

  • Page 204: Step 23 Buffer Mount: Parts Preparation

    6A. Hinged Lid with MMU3 STEP 23 Buffer Mount: parts preparation For the following steps, please prepare: Buffer mount (1x) M3x6 screw (3x) M3nN nut (2x) M3n nut black (1x) PTFE top passthrough (1x) STEP 24 Buffer Mount Installation Insert two M3nN nuts into the marked openings on the Buffer Mount. Place the Buffer Mount on top of the enclosure.

  • Page 205: Step 25 Ptfe Passthrough Installation

    6A. Hinged Lid with MMU3 STEP 25 PTFE Passthrough Installation Insert the M3n black nut into the PTFE passthrough part. Attach the passthrough part onto the back of the top lid. Secure it in place by inserting the M3x6 screw from the bottom of the lid and tightening it.

  • Page 206: Step 27 - Buffer Preparation

    6A. Hinged Lid with MMU3 STEP 27 Buffer Preparation 2 Remove the M3x30 screw holding the printer holder. Remove the countersunk M3x30 screw on the opposite side that secures the printer holder. Remove the printer holder part. STEP 28 Enclosure Buffer: parts preparation For the following steps, please prepare: Buffer Side L (1x)

  • Page 207: Step 29 Magnets Installation

    6A. Hinged Lid with MMU3 STEP 29 Magnets Installation Install four magnets into the marked openings on the Buffer Side L part. Install three magnets into the marked openings on the Buffer Side R part. Install two magnets into the Plate Holder L, and the last two magnets into the Plate Holder R parts.

  • Page 208: Step 31 - Enclosure Buffer Assembly

    6A. Hinged Lid with MMU3 STEP 31 Enclosure Buffer Assembly 2 Remove the two marked plate holders on the opposite side. Install the Buffer Side L part (with four magnets) onto the Buffer. Ensure the magnets are oriented the same way as on the opposite side. STEP 32 Enclosure Buffer Assembly 3 Remove the two Plate Holders.

  • Page 209: Step 33 Enclosure Buffer Installation

    6A. Hinged Lid with MMU3 STEP 33 Enclosure Buffer Installation Insert all five cassettes back into the buffer. Mount the buffer onto the top lid of the enclosure. The part with the cassettes should hook into the plastic part on the top lid. The front part of the buffer should hold securely in place due to the magnets.

  • Page 210: Step 35 Printer Installation

    6A. Hinged Lid with MMU3 STEP 35 Printer Installation Grasp the printer by its frame and carefully insert it into the enclosure at a slight diagonal angle to prevent scratching both the printer and the enclosure. Ensure the printer is not placed on any cables or PTFE tubes! Place the printer at an angle, as shown in the picture, inside the enclosure, positioning it behind the anti-slip dampers.

  • Page 211: Step 37 Printer Positioning

    6A. Hinged Lid with MMU3 STEP 37 Printer Positioning Rearrange the printer as shown in the picture. Center it in the enclosure and adjust it to the correct position. Ensure the two rear anti-slip dampers are locked against the rear plate from the inside.

  • Page 212: Step 39 Lcd Connection

    6A. Hinged Lid with MMU3 STEP 39 LCD Connection Guide the LCD cable bundle through the cutout in the bottom panel. Place the LCD assembly next to the enclosure, ensuring the holders are pointing away from the enclosure, as shown in the picture. MK4/S: Connect the xLCD cable to the xLCD board, ensuring the safety latch is properly engaged on the side of the slot marked with the orange triangle on the board.

  • Page 213: Step 41 Ptfe Tubes: Part Preparation

    6A. Hinged Lid with MMU3 STEP 41 PTFE Tubes: part preparation For the following steps, please prepare: PTFE Tube 4x2.5x1100 (5x) PTFE Clip 3-way (1x) PTFE Clip 2-way (1x) STEP 42 PTFE Tube Installation 1 Guide the PTFE tubes from the MMU unit through the opening at the rear of the top lid of the Enclosure.

  • Page 214: Step 43 - Ptfe Tube Installation 2

    6A. Hinged Lid with MMU3 STEP 43 PTFE Tube Installation 2 Insert the two PTFE tubes into the side holder. Guide the PTFE tubes towards the spool holders on the right side of the Enclosure (when looking from the front side) Push the ends of the PTFE tubes through the cap on each spool holder.

  • Page 215: Step 45 - Ptfe Tube Installation 4

    6A. Hinged Lid with MMU3 STEP 45 PTFE Tube Installation 4 Insert three PTFE tubes into cassette positions 1, 2, and 3. Guide the tubes through the side holder on the opposite side. Attach the ends of the tubes to the caps on each spool holder. Secure them in place by gently tightening the M3x10 screws.

  • Page 216: Step 47 Done

    6A. Hinged Lid with MMU3 STEP 47 Done Congratulations! You can now start using your MMU3 inside the enclosure. Original Prusa Enclosure assembly (external display mounting)

  • Page 217: 6B. Hinged Lid With Mmu2S

    6B. Hinged lid with MMU2S Original Prusa Enclosure assembly (external display mounting)

  • Page 218: Step 1 Introduction

    6B. Hinged lid with MMU2S STEP 1 Introduction This chapter guides you through the installation of the MMU2S into the Enclosure. The MMU2S can only be installed after the Hinged Lid is in place. STEP 2 Removing the LCD Carefully cut the zip tie securing the LCD cable bundle. Release two screws mounting the LCD assembly.

  • Page 219: Step 3 Removing The Filament Guide

    6B. Hinged lid with MMU2S STEP 3 Removing the filament guide Press down the blue collet on the filament fitting. Pull out the PTFE tube from the fitting. Cut the zip tie securing the PTFE tube on the inner side of the top front profile. Remove the two screws securing the filament guide and take it out of the enclosure.
  • Page 220 6B. Hinged lid with MMU2S STEP 5 Removing the printer Open the lid. Grasp the printer by its frame and carefully lift it out of the enclosure. Avoid scratching the printer and enclosure. STEP 6 Installing the MMU2S Now, proceed to the instructions for installing the MMU2S unit on the printer. The procedure will vary slightly depending on whether the MMU2S unit was only temporarily removed from the printer during the enclosure assembly, or whether it was never installed on the printer at all.

  • Page 221: Step 7 Preparing The Printer (Mk3S+ With Mmu2S)

    6B. Hinged lid with MMU2S STEP 7 Preparing the printer (MK3S+ with MMU2S) Before you place the printer in the enclosure, prepare the printer in this state: LCD is disconnected and removed from the printer PSU (both black and silver version) is removed from the frame and placed on the protected heatbed The printer frame support is installed on the printer STEP 8...

  • Page 222: Step 9 Installing The Psu

    6B. Hinged lid with MMU2S STEP 9 Installing the PSU From inside the enclosure, grasp the PSU by its handle in your hand. It is more convenient to use the right hand. Insert the PSU through the hole at the bottom of the back panel. Start by pushing through the part with the PSU-retainer (the part with the magnets).

  • Page 223: Step 11 - Mounting The Lcd: Parts Preparation

    6B. Hinged lid with MMU2S STEP 11 Mounting the LCD: parts preparation For the following steps, please prepare: LCD assembly (1x) Zip tie (1x) M3x8 screw (2x) you removed earlier STEP 12 Mounting the LCD Guide the LCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie.

  • Page 224: Step 13 Assembling The Grommets: Parts Preparation

    6B. Hinged lid with MMU2S STEP 13 Assembling the grommets: parts preparation For the following steps, please prepare: MMU-grommet (2x) M3x8 screw (2x) M3n nut (2x) STEP 14 Assembling the MMU-grommets There are two symmetrical grommets for both edges of the enclosure's rearside. In case you intend to place all spools only on one side outside the enclosure, you can use just one grommet.

  • Page 225: Step 15 Mounting The Mmu-Grommets

    6B. Hinged lid with MMU2S STEP 15 Mounting the MMU-grommets Depending on where you will place your spools, cut out the left, right, or both sides. From inside of the enclosure, use the knife and CAREFULLY cut off all supports of the left grommet cutout on the back panel and remove it.

  • Page 226: Step 17 Mounting The Mmu-Grommets (Optional)

    6B. Hinged lid with MMU2S STEP 17 Mounting the MMU-grommets (optional) From inside, push the M3x8 screw through the hole next to the right grommet cutout. From the outside, attach the MMU-grommet in the same orientation to the cutout and the screw. Tighten the screw. STEP 18 Guiding the PTFE tubes Merge all PTFE from the MMU2S...

  • Page 227: Step 19 Assembling The Buffer Feet: Parts Preparation

    6B. Hinged lid with MMU2S STEP 19 Assembling the buffer feet: parts preparation For the following steps, please prepare: Buffer assembly (1x) MMU-buffer-foot (2x) STEP 20 Assembling the buffer feet Release two screws securing the s-buffer-hook-uni and remove the printed part from the buffer.

  • Page 228: Step 21 Mounting The Buffer Feet

    6B. Hinged lid with MMU2S STEP 21 Mounting the buffer feet Place and orient the buffer assembly as in the picture. Use the PTFE tubes as a guide. Mount the MMU-buffer-foot on the right bottom edge of the buffer assembly. Secure the MMU-buffer-foot with the M3x40 screw.

  • Page 229: Step 23 Joining The Buffer

    6B. Hinged lid with MMU2S STEP 23 Joining the buffer Insert the PTFE from MMU2S unit to the buffer. Secure the PTFE tube by tightening the M3x12 screws. Don't over- tighten the screw. Excessive friction in the PTFE might cause issues during the printing later.

  • Page 230: Advanced Filtration System (Add-On)

    7. Advanced filtration system (add-on) Original Prusa Enclosure assembly (external display mounting)

  • Page 231: Step 1 Introduction

    7. Advanced filtration system (add-on) STEP 1 Introduction This guide will take you through the installation of the Advanced filtration system on the Original Prusa Enclosure. The supplied fasteners include extra spare parts. Please note, that the filtration utilizes internal air circulation. There is no need to punch/drill any holes in the enclosure.

  • Page 232: Step 3 Introduction - External Psu Delta

    7. Advanced filtration system (add-on) STEP 3 Introduction - External PSU Delta The following instructions are intended for installing the Advanced filtration system with the External PSU Delta model MEA-065A24C on the Original Prusa Enclosure. Before you start installing the add-on, PRINT OUT ALL NECESSARY PLASTIC PARTS! The External-PSU-bracket-DELTA and the Basic-board-cover are available for download at Printables.com...

  • Page 233: Step 5 Mounting The External Psu (Optional): Parts Preparation

    7. Advanced filtration system (add-on) STEP 5 Mounting the external PSU (optional): parts preparation Note: the External-PSU-bracket-DELTA is intended for mounting the external PSU to the enclosure. However, it is not necessarily required. If you do not want to install the External PSU bracket, go to Preparing the printer.

  • Page 234: Step 7 Assembling The External Psu Bracket (Optional)

    7. Advanced filtration system (add-on) STEP 7 Assembling the external PSU bracket (optional) Insert the external PSU into the External-PSU-bracket-DELTA and push it all the way in. Mind the correct orientation of the PSU. Guide the external PSU cable like in the picture and attach the cable ferrite into the clip on the printed part.

  • Page 235: Step 9 Removing The Psu

    7. Advanced filtration system (add-on) STEP 9 Removing the PSU "Unlock" all PSU-locks. Grasp the PSU assembly by its handle and remove it from the back panel. Place the PSU on the heatbed protected with the cloth. Turn it with the PSU-handle facing upwards.

  • Page 236: Step 12 Guiding The External Psu Cable (Optional)

    7. Advanced filtration system (add-on) STEP 11 Guiding the external PSU cable Be careful not to pinch your fingers when handling under the enclosure. Guide the external PSU cable through the channel in the feet bracket. See the orientation of the feet bracket. Slide the feet bracket with the cable under the corner of the enclosure.

  • Page 237: Step 13 - Mounting The External Psu (Optional)

    7. Advanced filtration system (add-on) STEP 13 Mounting the external PSU (optional) The following instructions are for mounting the external PSU to the enclosure, which is optional. If you do not want to mount the external PSU to the enclosure, go Installing the PSU.

  • Page 238: Step 15 Guiding The External Psu Cable

    7. Advanced filtration system (add-on) STEP 15 Guiding the external PSU cable Be careful not to pinch your fingers when handling under the enclosure. Release two screws mounting the front left foot. Remove the foot from the enclosure. Do not discard the part, you will need it again in a while.

  • Page 239: Step 18 Assembling The Filtration: Parts Preparation

    7. Advanced filtration system (add-on) STEP 17 Assembling the filtration: parts preparation For the following steps, please prepare: Damper (4x) Thumb nut M3 (4x) M3x8 screw (4x) M4x16b countersunk screw (2x) Blower o-ring (1x) Filtration pack (1x) STEP 18 Assembling the filtration: parts preparation Push out the filter from the filtration pack and divide the pack into these individual parts: High Pressure Blower (1x)

  • Page 240: Step 19 - Assembling The Filtration

    7. Advanced filtration system (add-on) STEP 19 Assembling the filtration Place the Filter-Bracket like in the picture and push the Allen key through the hole as you can see. Attach the M3x8 screw on the tip of the Allen key. Using the Allen key, push the screw all the way through the front hole of the bracket.

  • Page 241: Step 21 Assembling The Filtration

    7. Advanced filtration system (add-on) STEP 21 Assembling the filtration Using the Allen key push the M3x8 screw through the protrusion on the other side of the Filter-Bracket. Tighten the damper on the screw. Repeat the same procedure to install the second damper. STEP 22 Installing the blower Place the Blower o-ring into the Filter-Bracket.

  • Page 242: Step 23 Inserting The Hepa Filter

    7. Advanced filtration system (add-on) STEP 23 Inserting the HEPA filter Tear open the filter bag and remove the HEPA filter. Handle the filter with caution. If the HEPA surface (the white pleated surface) is damaged, the filter will lose its efficiency. Protect your hands when you take off the used filter and put it in a plastic bag.

  • Page 243: Step 25 Installing The Filtration

    7. Advanced filtration system (add-on) STEP 25 Installing the filtration On the rear side of the enclosure, pull out two nylon rivets on the top left corner. From the inside, push on the nylon rivets using your thumb or the tip of the needle-nose pliers.

  • Page 244: Step 27 Installing The Filtration

    7. Advanced filtration system (add-on) STEP 27 Installing the filtration Secure the remaining two damper screws on the filtration assembly with two thumb nuts. To make sure, firmly tighten all thumb nuts with your hand. STEP 28 Guiding the filtration cable: parts preparation For the following steps, please prepare: Zip tie (11x)

  • Page 245: Step 30 - Guiding The Filtration Cable

    7. Advanced filtration system (add-on) STEP 29 Guiding the filtration cable Untie the filtration cable and leave it free. Push the zip tie through all three perforations on the top rear profile. Mind the orientation of the zip ties. Guide the filtration cable over the zip ties along the top profile. Secure the cable by tightening each zip tie.

  • Page 246: Step 32 Guiding The Filtration Cable

    7. Advanced filtration system (add-on) STEP 31 Guiding the filtration cable Push three zip ties through the perforation in the bottom left profile. Make a loop with the PSU cable according to the picture. Merge the filtration cable and the PSU cable and guide them together. Secure both cables with the first zip tie on the bottom profile.

  • Page 247: Step 33 Installing The Basic Board: Parts Preparation

    7. Advanced filtration system (add-on) STEP 33 Installing the basic board: parts preparation For the following steps, please prepare: Basic-Board-Cover (1x) Basic board (1x) M3x12 screw (2x) M3w serrated lock washer (2x) M3nS nut (2x) STEP 34 Installing the basic board Mount the M3nS nut on the M3x12 screw.

  • Page 248: Step 35 Installing The Basic Board

    7. Advanced filtration system (add-on) STEP 35 Installing the basic board Use the same procedure for both slots in the Basic Board Cover. STEP 36 Connecting the filtration cable Connect the filtration cable to connector on the basic board. From inside the enclosure, insert two M3x12 screw through the front profile. Attach two M3w serrated lock washer on the screws.

  • Page 249: Step 38 Connecting The External Psu

    7. Advanced filtration system (add-on) STEP 38 Connecting the external PSU Connect the external PSU cable to the basic board from the left side. STEP 39 Connecting the Power cord: parts preparation For the following steps, please prepare: Power cord Y-splitter (1x) Original Prusa Enclosure assembly (external display mounting)

  • Page 250: Step 40 Connecting The Power Cord

    7. Advanced filtration system (add-on) STEP 40 Connecting the Power cord Connect the cord plugs to the external PSU and printer PSU. The order of connection does not matter. STEP 41 Well done! Check if it works properly. Press the FILTER button on the Basic Board Panel and check if the filter fan is spinning.

  • Page 251: Step 42 - Introduction - External Psu Xp Power

    7. Advanced filtration system (add-on) STEP 42 Introduction - External PSU XP Power The following instructions are intended for installing the Advanced filtration system with the External PSU XP Power model VEC65US24 on the Original Prusa Enclosure. Before you start installing the add-on, PRINT OUT ALL NECESSARY PLASTIC PARTS! The External-PSU-bracket-XP and the Basic-board-cover are available for download at Printables.com...

  • Page 252: Step 44 Suggestion

    7. Advanced filtration system (add-on) STEP 44 Suggestion In the following steps, you will need to access the bottom of the enclosure. You achieve this by having one of the bottom edges of the frame extend beyond the work surface. It is recommended to use a cardboard box and put the enclosure on The size of the box must be at least 600 x 600 x 100 mm.

  • Page 253: Step 46 Mounting The External Psu (Optional)

    7. Advanced filtration system (add-on) STEP 46 Mounting the external PSU (optional) Insert the M3nS nut into the External-PSU-bracket-XP. Using the Allen key, push the nut all the way into the printed part and align the nut with the hole in the part. STEP 47 Assembling the external PSU bracket (optional) Insert the external PSU into the External-PSU-bracket-XP and push it all the way in.

  • Page 254: Step 48 Removing The Lcd

    7. Advanced filtration system (add-on) STEP 48 Removing the LCD Carefully cut the zip tie securing the LCD cable bundle. Release two screws mounting the LCD assembly. Disconnect both LCD cables from the LCD. Push the LCD cable bundle through the hole in the bottom panel into the enclosure. STEP 49 Removing the printer Starting from September 2024, you...

  • Page 255: Step 51 Removing The Printer

    7. Advanced filtration system (add-on) STEP 50 Removing the printer Open the door of the enclosure. Place the printer at an angle (as shown in the picture) in the enclosure behind the anti-slip dampers. "Unlock" all PSU-locks and grasp the PSU assembly by its handle and remove it from the back panel.

  • Page 256: Step 52 Loosening The Bottom Panel

    7. Advanced filtration system (add-on) STEP 52 Loosening the bottom panel Place the enclosure on the cardboard box with the rear side (side with the PSU hole in the back panel) overhanging the box. It is necessary that both feet on the left side stand on one anti-vibration pad. See the detail.

  • Page 257: Step 54 - Guiding The External Psu Cable

    7. Advanced filtration system (add-on) STEP 54 Guiding the external PSU cable Move the rear corner with the PSU over the edge of the box. Through the rectangular hole in the back panel, release two screws mounting the foot to the bottom panel. Remove the foot from the bottom of the enclosure.

  • Page 258: Step 56 Tightening The Bottom Panel

    7. Advanced filtration system (add-on) STEP 56 Tightening the bottom panel Overhang the rear side of the enclosure over the box or table. It is necessary that both feet on the rear side stand on one anti-vibration pad. Avoid placing the enclosure directly on the frame.

  • Page 259: Step 59 Guiding The External Psu Cable

    7. Advanced filtration system (add-on) STEP 58 Guiding the external PSU cable Slightly lift the bottom panel from the bottom side. Be very careful not to pinch your fingers. Push the ferrite bead (cylindrical part) on the external PSU cable through the hole. Guide the external cable through the hole and leave it free for now.

  • Page 260: Step 60 Guiding The External Psu Cable

    7. Advanced filtration system (add-on) STEP 60 Guiding the external PSU cable Maintain the orientation of the feet bracket and attach it to its place on the bottom of the enclosure. Line up the holes in the part with the hole in the bottom frame of the enclosure.

  • Page 261: Step 63 Assembling The Filtration: Parts Preparation

    7. Advanced filtration system (add-on) STEP 62 Assembling the filtration: parts preparation For the following steps, please prepare: Damper (4x) Thumb nut M3 (4x) M3x8 screw (4x) M4x16b countersunk screw (2x) Blower o-ring Filtration pack (1x) STEP 63 Assembling the filtration: parts preparation Push out the filter from the filtration pack and divide the pack into these individual parts: High Pressure Blower (1x)

  • Page 262: Step 65 Assembling The Filtration

    7. Advanced filtration system (add-on) STEP 64 Assembling the filtration Place the Filter-Bracket like in the picture and push the Allen key through the hole as you can see. Attach the M3x8 screw on the tip of the Allen key. Using the Allen key, push the screw all the way through the front hole of the bracket.

  • Page 263: Step 66 Assembling The Filtration

    7. Advanced filtration system (add-on) STEP 66 Assembling the filtration Using the Allen key push the M3x8 screw through the protrusion on the other side of the Filter-Bracket. Tighten the damper on the screw. Repeat the same procedure to install the second damper. STEP 67 Installing the blower Place the Blower o-ring into the Filter-Bracket.

  • Page 264: Step 69 Inserting The Hepa Filter

    7. Advanced filtration system (add-on) STEP 68 Inserting the HEPA filter Tear open the filter bag and remove the HEPA filter. Handle the filter with caution. If the HEPA surface (the white pleated surface) is damaged, the filter will lose its efficiency. Protect your hands when you take off the used filter and put it in a plastic bag.

  • Page 265: Step 70 Installing The Filtration

    7. Advanced filtration system (add-on) STEP 70 Installing the filtration On the rear side of the enclosure, pull out two nylon rivets on the top left corner. From the inside, push on the nylon rivets using your thumb or the tip of the needle-nose pliers.

  • Page 266: Step 72 Guiding The Filtration Cable: Parts Preparation

    7. Advanced filtration system (add-on) STEP 72 Guiding the filtration cable: parts preparation For the following steps, please prepare: Zip tie (13x) STEP 73 Guiding the filtration cable Untie the filtration cable and leave it free. Push the zip tie through all three perforations on the top rear profile. Mind the orientation of the zip ties.

  • Page 267: Step 74 Guiding The Filtration Cable

    7. Advanced filtration system (add-on) STEP 74 Guiding the filtration cable In the same way, guide the filtration cable alongside the rear left support profile and secure it with four zip ties. Do not overtighten the zip ties, you can damage the cable. Insert the printer into the enclosure.

  • Page 268: Step 76 Guiding The Cables

    7. Advanced filtration system (add-on) STEP 76 Guiding the cables Push three zip ties through the perforation in the bottom left profile. Make a loop with the PSU cable according to the picture. Merge the filtration cable and the PSU cable and guide them together. Secure both cables with the first zip tie on the bottom profile.

  • Page 269: Step 78 Mounting The Lcd: Parts Preparation

    7. Advanced filtration system (add-on) STEP 78 Mounting the LCD: parts preparation For the following steps, please prepare: LCD assembly (1x) M3x8 screw (2x) Zip tie (1x) STEP 79 Mounting the LCD Guide the LCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie.

  • Page 270: Step 80 Securing The Lcd Cable

    7. Advanced filtration system (add-on) STEP 80 Securing the LCD cable Guide the zip tie through the perforation in the bottom panel and under the LCD cable bundle. Tighten the zip tie to secure the LCD cable bundle. Do not over tighten the zip tie, it may cut the cables! STEP 81 Installing the basic board: parts preparation...

  • Page 271: Step 83 Installing The Basic Board

    7. Advanced filtration system (add-on) STEP 82 Installing the basic board Mount the M3nS nut on the M3x12 screw. Attach it in a few threads on the tip of the screw. Push the screw with the nut all the way into the same shape hole inside the Basic- Board-Cover.

  • Page 272: Step 85 Mounting The Basic Board

    7. Advanced filtration system (add-on) STEP 85 Mounting the basic board Insert the basic board into the Basic-Board-Cover and align the holes on both parts. Take the basic board assembly and align the holes with the screws in the profile. Attach the basic board assembly to the screws and tighten the screws from the inside.

  • Page 273: Step 87 Connecting The Ptfe Tube

    7. Advanced filtration system (add-on) STEP 87 Connecting the PTFE tube Starting from September 2024, you may receive a new black Fitting M5-4. The assembly and functionality remain identical to the blue one. Insert the free end of the PTFE tube to the Fitting QSM-M5 on the extruder.

  • Page 274: Step 89 Connecting The Power Cord

    7. Advanced filtration system (add-on) STEP 89 Connecting the Power cord Connect the cord plugs to the external PSU and printer PSU. The order of connection does not matter. STEP 90 Well done! Check if it works properly. Press the FILTER button on the Basic Board Panel and check if the filter fan is spinning.

  • Page 275: Mechanical Lock (Add-On)

    8. Mechanical lock (add-on) Original Prusa Enclosure assembly (external display mounting)

  • Page 276: Step 1 Introduction

    8. Mechanical lock (add-on) STEP 1 Introduction This guide will take you through the installation of the Mechanical lock on the Original Prusa Enclosure. The supplied fasteners contain extra spare parts. All printable parts are available for download at Printables.com in case a part is damaged or missing.

  • Page 277: Step 3 Removing The Door Panel

    8. Mechanical lock (add-on) STEP 3 Removing the door panel Open the right door panel and release all four screws on the hinges. Remove the door panel. Avoid scratching the door panel during handling. For the following steps, it is recommended to use a piece of cloth or any soft material as a mat to protect the door panel against...

  • Page 278: Step 5 Assembling The Lock Insert: Parts Preparation

    8. Mechanical lock (add-on) STEP 5 Assembling the lock insert: parts preparation For the following steps, please prepare: Lock housing nut (1x) Lock housing (1x) Door trim (1x) you removed earlier Lock wrench (1x) STEP 6 Assembling the lock housing Orient the door trim like in the picture.

  • Page 279: Step 7 Assembling The Door Holders: Parts Preparation

    8. Mechanical lock (add-on) STEP 7 Assembling the door holders: parts preparation For the following steps, please prepare: Lock Door Holder A (1x) Lock Door Holder B (1x) M3x18 screw (4x) M3n nut (4x) Magnet 20 x 6 x 2 mm (2x) Rod guide (2x) STEP 8 Assembling the door holders...

  • Page 280: Step 9 Mounting The Lock Door Holders

    8. Mechanical lock (add-on) STEP 9 Mounting the Lock Door Holders Do not overtighten the screws in the door panel! The panel could crack. Attach the Lock Door Holder A from the underside to the door panel and the door trim.

  • Page 281: Step 11 - Assembling The Lock Mechanism

    8. Mechanical lock (add-on) STEP 11 Assembling the lock mechanism Insert two magnets 10 x 6 x 2 into the pockets in the Lock mount. The orientation of the magnets does not matter. Attach the Lock mount on the door panel. From the underside, insert the Lock through the hole in the door panel assembly.

  • Page 282: Step 13 Mounting The Rods: Parts Preparation

    8. Mechanical lock (add-on) STEP 13 Mounting the rods: parts preparation For the following steps, please prepare: Mechanical Lock Rod (2x) Spring 0.3 x 4 x 25 mm (2x) Rod fixing collar (2x) Key (2x) You can remove one of the keys from the ring and keep it as a spare. STEP 14 Mounting the rods Locate the groove on the Lock wrench.

  • Page 283: Step 15 Mounting The Rods

    8. Mechanical lock (add-on) STEP 15 Mounting the rods Insert the key in the lock. Turn the key to "lock" the mechanism. From the opposite side, check if the orientation of the Mechanical Lock Lever is the same as in the picture. STEP 16 Mounting the rods Take one of the rod and insert the end with the spring into the "lower"...

  • Page 284: Step 17 Mounting The Rods

    8. Mechanical lock (add-on) STEP 17 Mounting the rods Take the second rod and insert the end with the spring into the "higher" Rod guide. Attach the "L" shaped end of the rod to the Mechanical Lock Lever with the same orientation as you can see in the picture.

  • Page 285: Step 19 Covering The Lock Mechanism

    8. Mechanical lock (add-on) STEP 19 Covering the lock mechanism Insert two M3nS nuts all the way into the Handle with lock hole. Attach the Handle with lock hole on the door trim from the side with the key. Align the holes in the Handle with the holes in the door panel.

  • Page 286: Step 21 Installing The Rod Latches

    8. Mechanical lock (add-on) STEP 21 Installing the rod latches Insert the M3nS nut all the way into each Rod latch. Attach the Rod latch from inside to the cutout in the front bottom profile and secure it with the M3x8 screw. Attach the second Rod latch to the cutout in the front top profile and secure it with the M3x8 screw.

  • Page 287: Step 23 That's It

    8. Mechanical lock (add-on) STEP 23 That's it! Congratulations! You just successfully installed the Mechanical lock. Original Prusa Enclosure assembly (external display mounting)

  • Page 288: Quick Release Psu Cable - Mk3S+ Black Psu (Add-On)

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) Original Prusa Enclosure assembly (external display mounting)

  • Page 289: Step 1 Introduction

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 1 Introduction This guide will take you through the installation of the Quick release PSU cable on the Original Prusa Enclosure. This addon is not compatible with the Original Prusa MK4. This add-on is not compatible with the silver PSU.

  • Page 290: Step 3 Removing The Lcd

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 3 Removing the LCD Carefully cut the zip tie securing the LCD cable bundle. Release two screws mounting the LCD assembly. Disconnect both LCD cables from the LCD. Push the LCD cable bundle through the hole in the bottom panel into the enclosure. STEP 4 Removing the printer Press down the blue collet on the...

  • Page 291: Step 4 - Removing The Printer

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 5 Removing the printer Open the door of the enclosure. Place the printer at an angle (as shown in the picture) in the enclosure behind the anti-slip dampers. "Unlock" all PSU-locks and grasp the PSU assembly by its handle and remove it from the back panel.

  • Page 292: Step 7 Disconnecting The Psu

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 7 Disconnecting the PSU On the PSU holder, cut off the zip tie securing the PSU cable. On the other side of the PSU assembly, loosen two screws mounting the PSU-cover and remove the cover from the PSU.

  • Page 293: Step 9 Disconnecting The Psu Cables

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 9 Disconnecting the PSU cables Cut the zip ties on both ends of the textile sleeve and remove the sleeve from the cable bundle. You will no longer need this cable bundle.

  • Page 294: Step 12 Connecting The Psu Cables

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 12 Connecting the PSU cables Take the first positive (red) wire from the Quick Release cable - Black PSU Side connector and connect it to the first terminal from the left on the PSU. Bent part of the connector is facing up.

  • Page 295: Step 15 Connecting The Power Cables

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 14 Covering the PSU Slide the cover on the cables from the top. Make sure the "PRUSA" logo is facing up. Secure the cover using two M3x10 screws. Note that the holes are quite deep.

  • Page 296: Step 16 Organizing The Cables

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 16 Organizing the cables Guide the power panic cable according to the picture. Arrange all cables as you can see in the picture. Close the electronics box and tighten the M3x40 screw. Be careful not to pinch cables! STEP 17 Covering the quick release cable: parts preparation...

  • Page 297: Step 18 Covering The Quick Release Cable

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 18 Covering the quick release cable From the electronics, wrap the quick release cable (including the black&white power panic cable) in the textile sleeve. Leave 2-5 cm from the electronics uncovered. Secure the end of the sleeve with the zip tie.

  • Page 298: Step 20 Installing The Psu

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 20 Installing the PSU Now, prepare the enclosure on the work surface. Ensure the PSU-locks are still turned at the same position: On the bottom frame, turn the PSU-locks to the horizontal position. On the support, turn the PSU-lock to the vertical position.
  • Page 299 9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 22 Connecting the quick release cable Grasp the quick release guiding from the printer, with the power panic cable on the left. Plug the connector to the quick release cable in the PSU holder. Rearrange position of the printer like in the picture.
  • Page 300 9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 24 Mounting the LCD Guide the LCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie. Do not over tighten the zip tie, it may cut the cables! From the inside, push two thumb screws M3x8 through the bottom profile.

  • Page 301: Step 26 Well Done

    9. Quick release PSU cable - MK3S+ Black PSU (add-on) STEP 26 Well done! Good job! You just successfully installed the quick release cable on the Original Prusa Enclosure. Original Prusa Enclosure assembly (external display mounting)

  • Page 302: Quick Release Psu Cable - Mk4/3.9 Black Psu (Add-On)

    10. Quick release PSU cable - MK4/3.9 Black PSU (add- Original Prusa Enclosure assembly (external display mounting)
  • Page 303 10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 1 Introduction This guide will take you through the installation of the Quick release PSU cable on the Original Prusa Enclosure. This addon is compatible with Original Prusa MK4 and MK3.9. This add-on is not compatible with the silver PSU.

  • Page 304: Step 3 Removing The Xlcd

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 3 Removing the xLCD Carefully cut the zip tie securing the xLCD cable bundle. Release two screws mounting the xLCD assembly. Be gentle, the xLCD is still connected. STEP 4 Removing the xLCD cables xLCD PE cables are in two versions, unplug the PE cable: Version A: unplug the PE cable from the upper PE Faston.

  • Page 305: Step 5 Removing The Ptfe Tube

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 5 Removing the PTFE tube Starting from September 2024, you may receive a new black Fitting M5-4. The assembly and functionality remain identical to the blue one. Press down the blue collet on the Fitting QSM-M5.

  • Page 306: Step 7 Removing The Printer

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 7 Removing the printer Carefully remove the printer from the enclosure. Avoid scratching the printer and enclosure. Place the enclosure aside. We will need it later on. STEP 8 Disconnecting the PSU On the PSU holder, cut off the zip tie securing the PSU cable.

  • Page 307: Step 10 Xbuddy Box Cover

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 9 xLCD cable bunde sleeve Cut off the zip-tie holding the xLCD cable bundle. Take off the 450 mm sleeve from the xLCD cable bundle. Put the sleeve nearby, we´ll use it later.

  • Page 308: Step 12 Installing The Quick Release Cable: Parts Preparation

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 11 Disconnecting the PSU cables Using the Phillips screwdriver, loosen the screws securing the PSU cables. And remove all the cables from the terminals. Keep the screws for later! Disconnect the Power panic cable from the electronics board.
  • Page 309 10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 13 Quick release cable: power panic Take the Quick release cable - Printer side. MK4 printers can have two versions of the Power panic cable (you disconnected it from the PSU). The type of Power panic cable impacts how to prepare the Quick release cable.

  • Page 310: Step 15 Connecting The Psu Cables

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 15 Connecting the PSU cables Loosen the screw on the PSU, and then attach the PE cable from the Quick release cable to the screw. Connect all PSU power cables. Use this method for all PSU cables and connect them in the following order: POSITIVE (red) wire POSITIVE (red) wire...

  • Page 311: Step 17 Covering The Psu

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 17 Covering the PSU Slide the cover on the cables from the top. Make sure the "PRUSA" logo is facing up. Secure the cover using two M3x10 screws. Note that the holes are quite deep.

  • Page 312: Step 19 Connecting The Psu Cables

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 19 Connecting the PSU cables Using a 2,5 mm Allen key, secure the PE cable with the M3x6 screw with a washer. Note the correct orientation of the PE connector. Connect the Quick Release cable - Printer Side to the xBuddy board in the following order (from the left): POSITIVE (red) wire...

  • Page 313: Step 21 Covering The Xbuddy Box: Bottom Cover

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 21 Covering the xBuddy box: bottom cover Be careful, don't pinch any cable! Push two M3x10 screws through the el-box-cover. Put the power panic connector on the right side of the xBuddy box. Gently insert the el-box-cover in its position as described.

  • Page 314: Step 23 Xbuddy Box Cover

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 23 xBuddy box cover Be careful not to pinch cables! Close the xBuddy box. Insert four M3x6 screws and tighten them using a 2,5 mm Allen key. STEP 24 Covering the quick release cable: parts preparation For the following steps, please prepare: Textile sleeve 8 x 350 mm (1x) you removed earlier...

  • Page 315: Step 25 Covering The Quick Release Cable

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 25 Covering the quick release cable From the electronics, wrap the quick-release cable (including the black power panic cable) in the textile sleeve. Do not over-tighten the zip tie! It can damage the cables. Leave 2-5 cm from the electronics uncovered.

  • Page 316: Step 27 Covering The Xlcd Cable Bundle

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 27 Covering the xLCD cable bundle From the electronics, wrap the xLCD and PE cables in the textile sleeve. Push the textile sleeve near to the electronics box. Wrap the entire length of the xLCD cable bundle. Using the zip tie, create a loop through the circle holes in the frame around the motor cables and xLCD cable bundle.

  • Page 317: Step 29 Installing The Printer

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 29 Installing the printer To get the printer into the enclosure, insert its left side first. Avoid scratching the side panels with the printer! Place the printer at an angle (as shown in the picture) in the enclosure behind the anti-slip dampers.

  • Page 318: Step 31 Mounting The Xlcd: Parts Preparation

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 31 Mounting the xLCD: parts preparation For the following steps, please prepare: xLCD assembly (1x) M3x8 thumb screw (2x) Zip tie (2x) STEP 32 Version A: Mounting the xLCD Guide the xLCD cable through the cutout in the bottom panel.

  • Page 319: Step 33 Version B: Mounting The Xlcd

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 33 Version B: Mounting the xLCD Guide the xLCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie. Do not over tighten the zip tie, it may cut the cables! Place the xLCD assembly close to the xLCD cables, like in the picture.

  • Page 320: Step 35 Securing The Xlcd Cable

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 35 Securing the xLCD cable Guide the zip tie through the perforation in the bottom panel and under the xLCD cable bundle. Tighten the zip tie to secure the xLCD cable bundle. Do not over tighten the zip tie, it may cut the cables! STEP 36 Connecting the PTFE tube...

  • Page 321: Step 37 Well Done

    10. Quick release PSU cable - MK4/3.9 Black PSU (add-on) STEP 37 Well done! Good job! You just successfully installed the quick release cable on the Original Prusa Enclosure. Original Prusa Enclosure assembly (external display mounting)

  • Page 322: White Led Strip (Add-On)

    11. White LED strip (add-on) Original Prusa Enclosure assembly (external display mounting)

  • Page 323: Step 1 Introduction

    11. White LED strip (add-on) STEP 1 Introduction This guide will take you through the installation of the White LED strip on the Original Prusa Enclosure. The supplied fasteners include extra spare parts. STEP 2 Different external PSU The White LED strip add-on has been shipped with two types of the external PSU, each from a different manufacturer.

  • Page 324: Step 3 Introduction - External Psu Delta

    11. White LED strip (add-on) STEP 3 Introduction - External PSU Delta The following instructions are intended for installing the White LED strip with the External PSU Delta model MEA-065A24C on the Original Prusa Enclosure. Before you start installing the add-on, PRINT OUT ALL NECESSARY PLASTIC PARTS! The External-PSU-bracket-DELTA and the Basic-board-cover are available for download at Printables.com...

  • Page 325: Step 5 Mounting The External Psu (Optional): Parts Preparation

    11. White LED strip (add-on) STEP 5 Mounting the external PSU (optional): parts preparation Note: the External-PSU-bracket-DELTA is intended for mounting the external PSU to the enclosure. However, it is not necessarily required. If you do not want to install the External PSU bracket, go to Preparing the printer.

  • Page 326: Step 7 Assembling The External Psu Bracket (Optional)

    11. White LED strip (add-on) STEP 7 Assembling the external PSU bracket (optional) Insert the external PSU into the External PSU bracket and push it all the way in. Mind the correct orientation of the PSU. Guide the external PSU cable like in the picture and attach the cable ferrite into the clip on the printed part.

  • Page 327: Step 10 Guiding The External Psu Cable

    11. White LED strip (add-on) STEP 9 Guiding the external PSU cable Be careful not to pinch your fingers when handling under the enclosure. If handling the enclosure is difficult due to its weight, you can remove the printer out. Turn the enclosure with the rear side facing you.

  • Page 328: Step 11 Guiding The External Psu Cable

    11. White LED strip (add-on) STEP 11 Guiding the external PSU cable Be careful not to pinch your fingers when handling under the enclosure. Align the holes in the feet bracket with the holes in the bottom profiles. Secure the feet bracket with two M3x12 screws. STEP 12 Mounting the external PSU (optional) The following instructions are for mounting the external PSU to the enclosure.
  • Page 329 11. White LED strip (add-on) STEP 13 Installing the PSU Ensure the PSU-locks are still turned at the same position: On the bottom frame, turn the PSU-locks to the horizontal position. On the support, turn the PSU-lock to the vertical position. Push the PSU through the opening in the back panel.

  • Page 330: Step 15 Guiding The External Psu Cable

    11. White LED strip (add-on) STEP 15 Guiding the external PSU cable Be careful not to pinch your fingers when handling under the enclosure. Guide the external PSU cable through the channel in the feet bracket. Slide the feet bracket with the cable under the corner of the enclosure and align the holes in the part with the holes in the bottom profile.

  • Page 331: Step 17 Assembling The Led Strip

    11. White LED strip (add-on) STEP 17 Assembling the LED strip Insert the M3n nut into each LED Stick Bracket. The nut must be completely embedded in the printed part and flush with the surface of the part. Insufficient embedment of the nut can cause problems when mounting in the enclosure.

  • Page 332: Step 19 Mounting The Led Strip

    11. White LED strip (add-on) STEP 19 Mounting the LED strip From the outside, insert three M3x18 screws into the holes in the front left support profile. From the inside of the enclosure, attach the LED strip assembly on the M3x18 screws.

  • Page 333: Step 21 Guiding The Cables

    11. White LED strip (add-on) STEP 21 Guiding the cables Push three zip ties through the perforation in the bottom left profile. Make a loop with the PSU cable according to the picture. Secure the external cable with the first zip tie on the bottom profile. Guide the cable along the bottom profile over the zip ties and tighten the two remaining zip ties.

  • Page 334: Step 23 Installing The Basic Board: Parts Preparation

    11. White LED strip (add-on) STEP 23 Installing the basic board: parts preparation For the following steps, please prepare: Basic Board Cover (1x) Basic board (1x) M3x12 screw (2x) M3w serrated lock washer (2x) M3nS nut (2x) STEP 24 Installing the basic board Mount the M3nS nut on the M3x12 screw.

  • Page 335: Step 26 Connecting The Led Cable

    11. White LED strip (add-on) STEP 25 Installing the basic board Use the same procedure for both slots in the Basic Board Cover. STEP 26 Connecting the LED cable Connect the LED cable to connector on the basic board. From inside the enclosure, insert two M3x12 screw through the front profile. Attach two M3w serrated lock washer on the screws.

  • Page 336: Step 28 Connecting The External Psu

    11. White LED strip (add-on) STEP 28 Connecting the external PSU Connect the external PSU cable to the basic board from the left side. STEP 29 Connecting the Power cord: parts preparation For the following steps, please prepare: Power cord Y-splitter (1x) Original Prusa Enclosure assembly (external display mounting)

  • Page 337: Step 30 Connecting The Power Cord

    11. White LED strip (add-on) STEP 30 Connecting the Power cord Connect the cord plugs to the external PSU and printer PSU. The order of connection does not matter. STEP 31 That's all! Check if it works properly. Press the LIGHT button on the Basic Board Panel and check if the LED lighting inside has turned on.

  • Page 338: Step 32 Introduction - External Psu Xp Power

    11. White LED strip (add-on) STEP 32 Introduction - External PSU XP Power The following instructions are intended for installing the White LED strip with the External PSU XP Power model VEC65US24 on the Original Prusa Enclosure. Before you start installing the add-on, PRINT OUT ALL NECESSARY PLASTIC PARTS! The External-PSU-bracket-XP and the Basic-board-cover are available for download at Printables.com...

  • Page 339: Step 34 Suggestion

    11. White LED strip (add-on) STEP 34 Suggestion In the following steps, you will need to access the bottom of the enclosure. You achieve this by having one of the bottom edges of the frame extend beyond the work surface. It is recommended to use a cardboard box and put the enclosure on The size of the box must be at least 600 x 600 x 100 mm.

  • Page 340: Step 36 Mounting The External Psu (Optional)

    11. White LED strip (add-on) STEP 36 Mounting the external PSU (optional) Insert the M3nS nut into the External-PSU-bracket-XP. Using the Allen key, push the nut all the way into the printed part and align the nut with the hole in the part. STEP 37 Assembling the external PSU bracket (optional) Insert the external PSU into the External-PSU-bracket-XP and push it all the way in.

  • Page 341: Step 38 Removing The Lcd

    11. White LED strip (add-on) STEP 38 Removing the LCD Carefully cut the zip tie securing the LCD cable bundle. Release two screws mounting the LCD assembly. Disconnect both LCD cables from the LCD. Push the LCD cable bundle through the hole in the bottom panel into the enclosure. STEP 39 Removing the printer Starting from September 2024, you...

  • Page 342: Step 41 Preparing The Printer

    11. White LED strip (add-on) STEP 40 Preparing the printer Place the printer at an angle (as shown in the picture) in the enclosure behind the anti-slip dampers. It's just a temporary position for the printer. We will adjust the correct position later.

  • Page 343: Step 42 Removing The Printer

    11. White LED strip (add-on) STEP 42 Removing the printer Carefully remove the printer from the enclosure. Avoid scratching the printer and enclosure. Place the printer aside. We will need it later on. STEP 43 Loosening the bottom panel Place the enclosure on the cardboard box with the rear side (side with the PSU hole in the back panel) overhanging the box.

  • Page 344: Step 45 Guiding The External Psu Cable

    11. White LED strip (add-on) STEP 44 Mounting the external PSU From the inside, push the M3x8 screw through the hole in the bottom profile next to the PRUSA logo. Line up the screw hole in the External-PSU-bracket-XP with the protruding screw and attach it to the profile.

  • Page 345: Step 46 Guiding The External Psu Cable

    11. White LED strip (add-on) STEP 46 Guiding the external PSU cable Slightly lift the bottom panel from the bottom side. From the bottom side, push the PSU cable with the ferrite bead (cylindrical part) through the hole in the bottom panel into the enclosure. Guide the PSU cable through the channel in the feet bracket.
  • Page 346 11. White LED strip (add-on) STEP 48 Loosening the bottom panel Place the enclosure on the cardboard box with the front side overhanging the box. It is necessary that both feet on the front side stand on one anti- vibration pad. Avoid placing the enclosure directly on the frame.

  • Page 347: Step 50 Guiding The External Psu Cable

    11. White LED strip (add-on) STEP 50 Guiding the external PSU cable Release two screws mounting the feet bracket. Remove the feet bracket from the bottom of the enclosure. There is a cable channel in the feet bracket. Guide the external PSU cable through the channel.

  • Page 348: Step 52 Tightening The Bottom Panel

    11. White LED strip (add-on) STEP 52 Tightening the bottom panel Overhang the front side of the enclosure over the box or table. It is necessary that both feet on the front side stand on one anti-vibration pad. Avoid placing the enclosure directly on the frame.

  • Page 349: Step 53 Inserting The Printer

    11. White LED strip (add-on) STEP 53 Inserting the printer Insert the printer into the enclosure. To get the printer into the enclosure, insert its left side first. Avoid scratching the side panels with the printer! Place the printer at an angle (as shown in the picture) in the enclosure behind the anti-slip dampers.

  • Page 350: Step 55 Guiding The External Psu Cable: Parts Preparation

    11. White LED strip (add-on) STEP 55 Guiding the external PSU cable: parts preparation For the following steps, please prepare: Zip tie (3x) STEP 56 Guiding the external PSU cable Push three zip ties through the perforation in the bottom left profile. Make a loop with the PSU cable according to the picture.

  • Page 351: Step 57 Assembling The Led Strip: Parts Preparation

    11. White LED strip (add-on) STEP 57 Assembling the LED strip: parts preparation For the following steps, please prepare: LED diffuser (1x) LED Stick Board (1x) LED Stick Bracket (3x) M3x18 screw (3x) M3n nut (3x) STEP 58 Assembling the LED strip Insert the M3n nut into each LED Stick Bracket.

  • Page 352: Step 59 Assembling The Led Strip

    11. White LED strip (add-on) STEP 59 Assembling the LED strip Remove the protection films from both sides of the LED diffuser. Push the LED diffuser into the LED Stick Brackets. Use the upper slot. The orientation of the LED diffuser doesn't matter. The part is symmetrical. STEP 60 Mounting the LED strip From the outside, insert three M3x18 screws into the holes in the front left support...

  • Page 353: Step 61 Connecting The Led Strip: Parts Preparation

    11. White LED strip (add-on) STEP 61 Connecting the LED strip: parts preparation For the following steps, please prepare: LED cable (1x) Zip tie (1x) STEP 62 Connecting the LED cable Connect the LED cable to the connector on the bottom of the LED strip. Guide the LED cable through the hole in the bottom panel out of the enclosure.

  • Page 354: Step 64 Mounting The Lcd

    11. White LED strip (add-on) STEP 63 Mounting the LCD: parts preparation For the following steps, please prepare: LCD assembly (1x) M3x8 screw (2x) Zip tie (1x) STEP 64 Mounting the LCD Guide the LCD cable through the cutout in the bottom panel. Secure the textile sleeve on the cable bundle with the zip tie.

  • Page 355: Step 65 Securing The Lcd Cable

    11. White LED strip (add-on) STEP 65 Securing the LCD cable Guide the zip tie through the perforation in the bottom panel and under the LCD cable bundle. Tighten the zip tie to secure the LCD cable bundle. Do not over tighten the zip tie, it may cut the cables! STEP 66 Installing the basic board: parts preparation...

  • Page 356: Step 68 Installing The Basic Board

    11. White LED strip (add-on) STEP 67 Installing the basic board Mount the M3nS nut on the M3x12 screw. Attach it in a few threads on the tip of the screw. Push the screw with the nut all the way into the same shape hole inside the Basic Board Cover.

  • Page 357: Step 70 Mounting The Basic Board

    11. White LED strip (add-on) STEP 70 Mounting the basic board Insert the basic board into the Basic Board Cover and align the holes on both parts. Take the basic board assembly and align the holes with the screws in the profile. Attach the basic board assembly to the screws and tighten the screws from the inside.

  • Page 358: Step 72 Connecting The Ptfe Tube

    11. White LED strip (add-on) STEP 72 Connecting the PTFE tube Starting from September 2024, you may receive a new black Fitting M5-4. The assembly and functionality remain identical to the blue one. Insert the free end of the PTFE tube to the Fitting QSM-M5 on the extruder.

  • Page 359: Step 74 Connecting The Power Cord

    11. White LED strip (add-on) STEP 74 Connecting the Power cord Connect the cord plugs to the external PSU and printer PSU. The order of connection does not matter. STEP 75 That's all! Check if it works properly. Press the LIGHT button on the Basic Board Panel and check if the LED lighting inside has turned on.
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