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Related Manuals for Original Prusa i3 MK3
Summary of Contents for Original Prusa i3 MK3
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Page 1: Table Of Contents
Table of Contents 1. Introduction ........................................Step 1 - Preparing the upgrade kit ................... Step 2 - What will be updated? ................Step 3 - Getting the necessary tools ..................... Step 4 - Labels guide ................. Step 5 - Use labels for reference ................ - Page 2 ................Step 5 - Extruder-body assembly ..................Step 6 - FS-lever assembly ..................Step 7 - Steel ball assembly .............. Step 8 - Extruder motor parts preparation ..............Step 9 - Extruder-motor-plate assembly ................Step 10 - Bondtech gear alignment ..............
- Page 3 ..............Step 60 - Mounting the X-carriage-back ................. Step 61 - X-carriage-back assembly ............... Step 62 - Textile sleeve parts preparation ..............Step 63 - Tightening the textile sleeve ..............Step 64 - Tightening the hotend cables ..................Step 65 - E-axis is finished! 3B.
- Page 4 5. Y-axis upgrade ....................................Step 1 - Tools necessary for this chapter ............Step 2 - New LCD-knob installation (optional) ................. Step 3 - Removing the heatbed ..........Step 4 - Bearing clips assembly - parts preparation ................Step 5 - Bearing clips assembly ................
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Page 5: Introduction
1. Introduction Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 6: Step 1 Preparing The Upgrade Kit
1. Introduction STEP 1 Preparing the upgrade kit Welcome to the tutorial how to upgrade your Original Prusa i3 MK3/MK3S to Original Prusa i3 MK3S+ Please prepare the upgrade kit received from Prusa Research. WARNING: Before you start disassembling the printer, make sure you have printed all the necessary parts for the upgrade!!! Download all necessary parts on prusa3d.com/printable-parts. -
Page 7: Step 3 Getting The Necessary Tools
STEP 4 Labels guide All the boxes and bags including parts for the build are labelled. Number (or numbers) in the header tells you for which chapter you'll need that bag (or box). Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 8: Step 5 Use Labels For Reference
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. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 9: Step 7 Printed Parts - Versioning
1. Introduction STEP 7 Printed parts - versioning Most of the 3D printed parts on Original Prusa i3 MK3S+ are marked with their version. Dx series (e.g. D1) - those parts are printed on Prusa Research farm and are distributed with the kit. -
Page 10: Step 9 Printed Parts Post-Processing
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 shop.prusa3d.com Writing an email to info@prusa3d.com Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 11: Step 11 - Pro Tip: Inserting The Nuts
Every time we recommend using the "screw pulling technique", you will be reminded with Joe's avatar ;) Parts in the pictures are used as an example. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 12: Step 12 Important: Electronics Protection
Be extra cautious in the rooms with carpets, which are a source of electrostatic energy. Clothes from wool and certain synthetic fabrics can easily gather static electricity. It is safer to wear cotton clothing. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 13: Step 13 How To Successfully Finish The Assembly
Most important: Enjoy the build, have fun. Cooperate with your kids, friends or partners. However, we take no responsibility for possible fights ;) Once again check you have printed all the necessary parts for the upgrade. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 14: Step 14 Choose Your Printer
If you are upgrading MK3 to MK3S+, please follow this chapter: 2A. MK3 Extruder disassembly If you are upgrading MK3S to MK3S+, please follow this chapter: 2B. MK3S Extruder disassembly Make sure you have printed all the parts!!! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 15: 2A. Mk3 Extruder Disassembly
2A. MK3 Extruder disassembly Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 16: Step 1 Tools Necessary For This Chapter
Before you start disassembling the extruder, make sure you have printed all the necessary parts for the upgrade!!! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 17: Step 3 Releasing The Cable Bundle
Unplug them one by one. WARNING: some cables have a safety latch, don't pull them! First, push the safety latch to ensure the connector is free to move. Leave the other cables connected. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 18: Step 5 Removing The Filament Sensor Cable
Return to the X-carriage: Remove the black nylon. Remove the belt and keep it for later. Cut the zip ties and remove the carriage completely. For the MK3S you will need a different one. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 19: Step 7 Fans And Motor Removal
NOW, BE CAREFUL: release all three screws, but keep in mind the motor and the idler including Bondtech gear will fall off! STEP 8 P.I.N.D.A. sensor removal Release the M3x10 screw. Remove the P.I.N.D.A. sensor. Be careful with the wire! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 20: Step 9 Hotend Removal
THIS STEP IS OBLIGATORY! The MK3S+ is using a shorter PTFE tube compared to the MK3, let's replace it now! Press the black plastic collet down towards the hotend. Remove the old PTFE tube from the hotend. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 21: Step 11 Inserting The New Ptfe Tube
CRUCIAL for the hotend to work properly. The tube must not be able to move in or out! STEP 12 Idler disassembly Push and pull out the shaft. Keep it for later. Take out the Bondtech gear, BUT BE CAREFUL, there are two bearings inside. Don't lose them!!! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 22: Step 13 Removing The Filament Sensor (Optional)
This step is optional, you will use a different sensor in the new extruder. Release two screws holding filament-sensor-cover. Release the M3x10 screw holding the filament sensor. Remove the sensor, avoid touching the PCB and the chips on it. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 23: Step 14 Disassembly Is Finished
You can keep this one for your future projects ;) Fasteners are included in the upgrade kit. However, keep the ones from the extruder as a spare. Ready? It's time for: 3A. MK3 Extruder upgrade. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 24: 2B. Mk3S Extruder Disassembly
2B. MK3S Extruder disassembly Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 25: Step 1 Tools Necessary For This Chapter
Move the X-axis to the center. It's recommended to use any cloth or piece of fabric, which is thick enough and covers the heatbed. This will ensure you won't damage (scratch) the surface during the disassembly. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 26: Step 3 Releasing The Cable Bundle
Disconnect the P.I.N.D.A. sensor from the Einsy board. WARNING: the P.I.N.D.A. sensor cable has a safety latch, don't pull it! First, push the safety latch to ensure the connector is free to move. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 27: Step 5 Removing The X-Carriage-Back
Removing the P.I.N.D.A. sensor Release the screw on the P.I.N.D.A. holder. Remove the P.I.N.D.A. sensor from the printer. Push the P.I.N.D.A. cable out of the printer between the X-belt and the smooth rod. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 28: Step 7 Removing The Filament Sensor
Release two screws on the print (front) fan and remove it from the extruder. Remove the Fan-shroud. Use the 2.5mm Allen key with the ball-end and release the screw on the Print-fan- support. Remove the Print-fan-support from the extruder. Carefully put both fans on the heatbed. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 29: Step 9 Extruder Surgery
Release the M3x18 from the Fs-lever and remove it from the part. Release the remaining two screws from the Extruder-body. Remove the Extruder-body from the printer. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 30: Step 11 Removing The Ptfe Tube
Using second hand pull the collet out and only then release the tube!!! THIS IS CRUCIAL for the hotend to work properly. The tube must not be able to move in or out! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 31: Step 13 Idler Disassembly
You can keep this one for your future projects ;) Fasteners are included in the upgrade kit. However, keep the ones from the extruder as a spare. Now let's move to: 3B. MK3S Extruder upgrade. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 32: 3A. Mk3 Extruder Upgrade
3A. MK3 Extruder upgrade Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 33: Step 1 Tools Necessary For This Chapter
Pay careful attention to the cable management. If you miss some important steps you will need to disassemble the extruder. This bag includes extra fasteners. Don't worry if you finish with few unused screws and nuts. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 34: Step 3 Extruder-Body Parts Preparation
The list continues in the next step. STEP 4 Extruder-body parts preparation For the following steps, please prepare: M3x18 screw (1x) M3x10 screw (1x) M3nS nut (2x) M3n nut (2x) Steel ball (1x) Magnet 10x6x2 (1x) Magnet 20x6x2 (1x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 35: Step 5 Extruder-Body Assembly
Flip the Extruder-body and insert one M3nS nut all the way in the part. Take the smaller magnet (10x6x2) and insert it carefully in the FS-lever. The majority of the magnet will be hidden inside the printed part. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... - Page 36 Insert the bigger magnet (20x6x2) in the Extruder-body. It will still stick out: Incorrect setup: magnets are attracting each other, thus the lever is pulled to the left. Correct setup: magnets are repelling each other, thus the lever is pushed to the right. Original Prusa i3 MK3/MK3S to MK3S+ upgrade...
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Page 37: Step 7 Steel Ball Assembly
DON'T use any screw to secure the Adapter-printer. It should hold inside the Extruder-body by itself. STEP 8 Extruder motor parts preparation For the following steps, please prepare: Extruder motor (1x) Extruder-motor-plate (1x) M3x10 screw (2x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 38: Step 9 Extruder-Motor-Plate Assembly
Be careful, you can strip the thread. Don't use any glue to fix the screw in place, you won't be able to release it, in such case you might have to replace the entire motor. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 39: Step 11 - Extruder-Cover Part Preparation
For the following steps, please prepare: Hotend for the MK3S+ (1x) Make sure you have replaced the hotend PTFE tube in the previous chapter. MK3 tube is not compatible with MK3S+. M3x40 screw (2x) M3x10 screw (2x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... - Page 40 Place the hotend next to the Extruder-body. See the grooves in the printed part which share the shape with the hotend. Correctly placed hotend. The hotend cables should point to the left, we will align them in the next step. Original Prusa i3 MK3/MK3S to MK3S+ upgrade...
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Page 41: Step 14 Extruder Assembly
For the following steps, please prepare: X-carriage (1x) M3n nut (2x) M3nS nut (4x) New IR-sensor cable (1x) Make sure you have prepared the proper IR-sensor cable. The version for MK3S+ has only three wires. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 42: Step 16 X-Carriage Assembly
The distance between the connector and the X-carriage should be around 15 mm (0.6 inch). We will adjust it later. Guide the cable through the slot. Remember this path, we will use it for other cables as well. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... - Page 43 Slightly bend the cable down to form it around the edge. Also, prepare the X-carriage, both M3x10 screws (if you haven't used them already) and the longest Allen key with the ball-end, you will need it. Original Prusa i3 MK3/MK3S to MK3S+ upgrade...
- Page 44 Don't tighten the screw completely, we need to adjust the IR-sensor cable. Turn the extruder to the other side and if needed insert the second M3x10 screw. Don't tighten the screw, we need to adjust the IR-sensor cable. Original Prusa i3 MK3/MK3S to MK3S+ upgrade...
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Page 45: Step 21 Ir-Sensor Assembly
Leave some slack behind the sensor as in the picture. Don't create a too big loop as it might interfere with the frame. If needed adjust the length by gently pulling/pushing the cable. Ready? Ok, check once more no cable is pinched and tighten both M3x10 screws installed previously. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 46: Step 22 Ir-Sensor Assembly
Make sure all the gaps are gone. STEP 23 Hotend fan parts preparation For the following steps, please prepare: Hotend fan (1x) M3x14 screw (3x) Make sure you are using the correct screws. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 47: Step 24 Guiding The Extruder Motor Cable
FINAL CHECK! The fan is oriented with the cable facing up, then the cable goes through the upper channel all the way to the X-carriage. In the X-carriage don't forget to use both channels. Make sure the CABLE ISN'T PINCHED along the way! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... - Page 48 Bondtech WITHOUT the hole for the set screw (1x) Bearing (2x) might be stuck inside the gear Shaft (1x) M3n nut (1x) M3x40 screw (2x) Idler spring (1x) place the spring on the screw Original Prusa i3 MK3/MK3S to MK3S+ upgrade...
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Page 49: Step 28 Bearing Assembly
Slide the shaft through the idler and pulley. Use reasonable force or you will BREAK the printed part. The shaft should be flush with the surface of the printed part. Place your finger on the bearing and ensure it can rotate freely. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 50: Step 30 Filament Alignment Check
Place the Extruder-idler in place and secure it using a M3x40 screw. Don't tighten the screw too firmly, it serves as a shaft for the idler. Check that the idler can rotate freely. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 51: Step 32 Fs-Cover Parts Preparation
Tip: If you can't reach the nut, try to align it using an Allen key or pulling it up using a longer full-threaded screw from the spare bag. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 52: Step 34 Pretensioning The Extruder-Idler
Since there is only one screw, you need to use a large amount of force. The head of the screw should sit flush or slightly below the surface. STEP 35 Print-fan-support parts preparation For the following steps, please prepare: Print-fan-support (1x) M3x10 screw (1x) M3n nut (1x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 53: Step 36 Print-Fan-Support Assembly
For the following steps, please prepare: Fan-shroud (1x) M3x20 screw (1x) M3nS nut (1x) If you have printed the fan-shroud yourself, it prints out together with the inner support which needs to be removed first. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... - Page 54 For the following steps, please prepare: Print fan (1x) M3x20 screw (2x) M3n nut (1x) You need M3x20 screw due to its length. If you have used them accidentally somewhere else, head for the spare bag ;) Original Prusa i3 MK3/MK3S to MK3S+ upgrade...
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Page 55: Step 40 Print Fan Assembly
SuperPINDA sensor parts preparation For the following steps, please prepare: SuperPINDA sensor (1x) Note that the SuperPINDA differs from the previous generation of the PINDA sensor. Now, there are only three wires in the connector. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 56: Step 42 Superpinda Sensor Assembly
Create a loop on the cable from the sensor. Push the cable in the channel together with the fan cable. STEP 43 Extruder parts preparation For the following steps, please prepare: Zip tie (2x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 57: Step 44 Extruder Preparation And Mounting
Place the cables on the hotend fan side over the lower smooth rod and push them back in the channel. Align the bearing so it fits nicely in the X-carriage. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 58: Step 46 X-Axis Belt Parts Preparation
Guide the X-axis belt through the X-end-idler around the 623h bearing with the housing and back. Continue with the belt through the X-carriage. Guide the X-axis belt through the X-end-motor around the GT2-16 pulley and back. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 59: Step 49 X-Axis Belt Assembly
Insert the flat part of the X-GT2 belt into the X-carriage as in the second picture. Use a screwdriver or the smallest Allen key to push the belt in. There will be belt overhang on this side, DON'T TRIM IT yet. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 60: Step 50 Tensioning The X-Axis Belt
(above each other). To adjust the belt position, release the screws on the pulley and move it slightly until you reach the best position. Tighten both screws on the pulley. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 61: Step 52 Testing The X-Axis Belt
If possible make a mark, where to cut the belt. Ensure again your mark is in the correct position and the belt is still stretched. Using pliers cut the belt and push it inside X-carriage. Use screwdriver or Allen key, if needed. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 62: Step 54 Fine Tuning The X-Axis Belt
In case you experience X-axis failure during calibration or skipped layers in the X direction, you can adjust this screw accordingly. Tightening the screw stretches the belt. Releasing the screw has opposite effect. Each time don't forget to release the screws on the motor first. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... - Page 63 To check if the filament is seated properly, gently pull it with your hand. The X-axis should bend a little, but the filament must remain in the slot. If you have issues, try to adjust the tip on the filament. Original Prusa i3 MK3/MK3S to MK3S+ upgrade...
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Page 64: Step 57 X-Carriage-Back Parts Preparation
Prepare the M3x40 screw and cable-holder. Drive the screw all the way through the printed part. Note there is a recess (slot) for the screw's head on one side of the printed part. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 65: Step 59 X-Carriage-Back Assembly
Next, add the print fan and SuperPINDA sensor cables. Cables from hotend are NOT GOING through the X-carriage-back! Carefully insert the nylon filament and then slide the X-carriage-back towards the X-axis. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 66: Step 62 Textile Sleeve Parts Preparation
For the following steps, please prepare: Zip tie (5x) Textile sleeve 13 x 490 mm (1x) The upgrade package includes a new textile sleeve in case yours from the disassembled printer is damaged. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 67: Step 63 Tightening The Textile Sleeve
Once the hotend cables are included, tighten the zip ties and cut remaining parts. Open the textile sleeve and insert the cables from the hotend. Compare the look of the cable management with the last picture. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 68: Step 65 E-Axis Is Finished
3A. MK3 Extruder upgrade STEP 65 E-axis is finished! Are we there yet? Almost! Check the final look, compare it to the picture. Checked everything? Let's move to: 4. Electronics assembly. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 69: 3B. Mk3S Extruder Upgrade
3B. MK3S Extruder upgrade Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 70: Step 1 Tools Necessary For This Chapter
Pay great attention to the cable management, if you miss some important steps you will need to disassemble the extruder. This bag includes extra fasteners. Don't worry if you end up with a few unused screws and nuts. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 71: Step 4 Extruder-Body Parts Preparation
The list continues in the next step. STEP 4 Extruder-body parts preparation For the following steps, please prepare: M3x18 screw (1x) M3x10 screw (1x) M3nS nut (2x) M3n nut (2x) Steel ball (1x) Magnet 10x6x2 (1x) Magnet 20x6x2 (1x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 72: Step 5 Extruder-Body Assembly
Flip the Extruder-body and insert one M3nS nut all the way in the part. Take the smaller magnet (10x6x2) and insert it carefully in the FS-lever. Majority of the magnet will be hidden inside the printed part. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 73: Step 6 Fs-Lever Assembly
Insert the bigger magnet (20x6x2) in the Extruder-body, it will stick out: Incorrect setup: magnets are attracting each other, thus the lever is pulled to the left. Correct setup: magnets are repelling each other, thus the lever is pushed to the right. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 74: Step 7 Steel Ball Assembly
DON'T use any screw to secure the Adapter-printer. It should hold inside the Extruder-body by itself. STEP 8 Extruder motor parts preparation For the following steps, please prepare: Extruder-motor-plate (1x) M3x10 screw (2x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 75: Step 9 Extruder Motor Assembly
The distance between the connector and the X-carriage should be around 15 mm (0.6 inch). We will adjust it later. Guide the cable through the slot, remember this path, we will use it for other cables as well. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 76: Step 11 - Extruder-Body Assembly - Parts Preparation
MK3S tube is not compatible with MK3S+. Place the hotend in the Extruder-body. It must fit into the groove in the printed part, which shares the shape with the hotend. The hotend cables should point to the left. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 77: Step 13 Extruder-Body Assembly
Check the alignment and, if needed, loosen the set screw on the pulley and adjust the position. Then tighten the screw, but be careful, you can easily strip it. REMOVE the filament. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 78: Step 15 Extruder-Idler Parts Preparation
Bearing (2x) might be stuck inside the gear Shaft (1x) M3n nut (1x) M3x40 screw (1x) STEP 16 Bearing assembly Insert both bearings into the pulley. Be aware that bearings can slip out during assembly. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 79: Step 17 Extruder-Idler Assembly
Place the Extruder-idler in place and secure it using a M3x40 screw. Don't tighten the screw too firmly, it serves as a shaft for the idler. Check that the idler can rotate freely. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 80: Step 19 - Extruder-Cover Part Preparation
Slide the nut all the way in. Ensure correct alignment using the Allen key. Leave the hole on the "arm" empty for now. We will use it later, while assembling a print fan. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 81: Step 21 Extruder-Cover Assembly
Hold the Extruder-idler on the other side, until the screw reaches the nut. Since there is only one screw, you need to introduce a large force. The head of the screw, should be aligned or slightly below the surface. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 82: Step 23 Hotend Fan Assembly - Parts Preparation
Slide the fan close to the X-carriage and GENTLY PUSH the cable in using an Allen key. Before you push the fan all the way to the left, place the cable in the X-carriage channel. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 83: Step 26 Fan-Shroud Parts Preparation
For the following steps, please prepare: Fan-shroud (1x) M3x20 screw (1x) M3nS nut (1x) If you have printed the fan-shroud yourself, it prints out together with the inner support which needs to be removed first. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 84: Step 28 Print Fan Parts Preparation
Secure it using the M3x20 screw. Don't overtighten the screw, you can break the plastic casing. Also make sure the fan can rotate freely. STEP 28 Print fan parts preparation For the following steps, please prepare: M3x20 screw (2x) M3n nut (1x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 85: Step 29 Print Fan Assembly
SuperPINDA sensor parts preparation For the following steps, please prepare: SuperPINDA sensor (1x) Note that the SuperPINDA differs from the previous generation of the PINDA sensor. Now, there are only three wires in the connector. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 86: Step 31 Superpinda Sensor Assembly
Using the pliers, cut one end of the filament to create a tip. Check to make sure the tip is similar to the third picture. The upgrade package includes new nylon in case yours from the disassembled printer is damaged or no longer rigid enough. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 87: Step 33 Nylon Guide Assembly
IR-sensor you had on your printer before and keep the new one from the package as a spare. Do not use the old (black) version of the sensor! FS-cover (1x) M3x10 screw (1x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 88: Step 35 Ir-Sensor Assembly
For the following steps, please prepare: M3x10 screw (4x) Zip tie (5x) New textile sleeve 13 x 490 mm (1x) The upgrade package includes a new textile sleeve in case yours from the disassembled printer is damaged. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 89: Step 37 Mounting The X-Carriage-Back
IMPORTANT: Cut the remaining part of each zip tie using pliers as closest to its head as possible. Note the correct position of each zip ties's head (slightly off- centre to the left). Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 90: Step 39 Tightening The Textile Sleeve
Compare the look of the cable management with the last picture. STEP 40 E-axis is finished! Are we there yet? Almost! Check the final look, compare it to the picture. It is time for the next chapter: 4. Electronics assembly. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 91: Electronics Assembly
4. Electronics assembly Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 92: Step 2 Connecting The Extruder Cable Bundle
Use the Extruder-cable-clip and two M3x10 screws to fix the cable bundle in place. Older MK3 units may have a zip tie cable harness mounting. Use a zip tie to secure the textile sleeve. Do not overtighten the zip tie, you can damage the cables! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 93: Step 4 Connecting Superpinda Cable (Mk3S To Mk3S+ Upgrade)
Check your electronics connections according to the wiring diagram. To make sure, check the correct connection of the filament sensor cable. The connector must be plugged into the bottom row of the slot. Misalignment might lead to permanently damaging the sensor. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 94: Step 5 Cable Management
Early MK3 units do not have protrusions on the Einsy case for attaching a zip tie. STEP 6 It's done Close the Einsy-door and secure it with the M3x40 screw. You're almost there... follow the next chapter. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 95: Y-Axis Upgrade
5. Y-axis upgrade Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 96: Step 1 Tools Necessary For This Chapter
Pull out the old version of the knob and remove it from the printer. Replace it with the new LCD-knob. Knob mounting orientation doesn't matter. Note that the knob for MK3S+ and MINI+ have a similar design, but different dimensions and are not compatible. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 97: Step 3 Removing The Heatbed
Keep the screws and spacers in a safe place (a box). You will need them for the reassembly!!! STEP 4 Bearing clips assembly - parts preparation For the following steps, please prepare: Bearing clip (3x) M3nN nut (6x) M3x12 screw (6x) Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 98: Step 6 - Bearing Clips Assembly
Make sure the bearing is positioned at the center of the cutout. If not, adjust it accordingly. Do not rotate with the bearing! Place the bearing clip over the bearing. Align the holes in the clip with the holes in the Y-carriage and insert two M3x12 screws. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 99: Step 8 Mounting The Heatbed (Part 1)
Push the Y-carriage to the front and place the Heatbed behind. Locate a hole in the centre of the Y-carriage. Place one spacer on the top of the hole. The exact position of the spacer will be adjusted in the next step. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 100: Step 10 Mounting The Heatbed (Part 3)
Place another spacer with the pliers. Push the pliers between the heatbed and the Y-carriage. Use the Allen key to align the spacer. When aligned, insert the screw instead and tighten it slightly. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 101: Step 11 - Mounting The Heatbed (Part 4)
New Y-rod holders installation - parts preparation For the following steps please prepare: Y-rod-holder (4x) M3x10 screw (4x) M3nS nut (12x) There are more M3x10 screws needed, we will reuse those in current Y-rod-holders. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 102: Step 13 Preparing Y-Rod-Holder
Push the new Y-rod-holder onto the rod. Align the front surface of the plastic part with the flat surface of the rod. Check the correct position of the Y-rod-holder. The screw hole must be facing up and towards the "inner" side of the Y-carriage (see the picture). Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 103: Step 15 New Y-Rod Holders Installation (Rear Side)
Check the correct position of the Y-rod-holder. The screw hole must be facing up and on the "inner" side of the Y-carriage (see the picture). Repeat these steps for the second Y-rod-holder. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 104: Step 17 New Y-Rod Holders Installation (Front Side)
Move the Y-carriage back and forth across the entire length of the smooth rods to align them. Then move the carriage to the front plate and tighten all screws in the front-Y- holders. Move the Y-carriage to the rear plate and tighten all screws in the back-Y-holders. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 105: Step 19 Y-Axis Is Finished
5. Y-axis upgrade STEP 19 Y-axis is finished! Congratulations, you've just upgraded to the Original Prusa i3 MK3S+ 3D printer! We're done! Please follow the last chapter 6. Preflight check. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 106: Preflight Check
6. Preflight check Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 107: Step 2 Superpinda Adjustment (Part 2)
X-axis by rotating the right Z motor (threaded rod) slightly clockwise. If an adjustment is needed, you can lower the nozzle height by rotating the right Z motor (threaded rod) counter-clockwise. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 108: Step 3 Superpinda Adjustment (Part 3)
Install drivers on your Windows, macOS or Linux system. PrusaSlicer (previously Slic3r PE) is a part of the driver's package. It also includes the tool for firmware upgrades. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 109: Step 5 Download The New Firmware
When the flashing process is done, you will be informed. We're done here! Your printer is ready to rock ;) In case of issues with flashing the firmware please visit our troubleshooting article. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 110: Step 7 Adding Mk3S+ Settings To The Prusaslicer
First, run the Calibrate Z to make sure the X-axis is absolutely level! Then run the 1st layer calibration as we moved with the SuperPINDA. Re-run the first layer calibration until you are satisfied with the results. Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 111: Step 9 Printable 3D Models
NOW! ;-) STEP 10 Prusa knowledge base If you encounter any problems at all, don't forget you can always check out our knowledge base at help.prusa3d.com We're adding new topics every day! Original Prusa i3 MK3/MK3S to MK3S+ upgrade... -
Page 112: Step 11 - Quick Guide For Your First Prints
6. Preflight check STEP 11 Quick guide for your first prints See our free 3D Printing Handbook prusa3d.com/3dhandbookMK3S+ That's it - the assembly is over. Calibrate the printer according to the Handbook and you are ready to print! We hope you've enjoyed the build. Don't forget to leave feedback and see you in the next one :) STEP 12... - Page 113 Notes:...
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