Prusa research Original prusa i3 mk3s User manual

Table of Contents

1. Introduction 7 .......................................................................................................................

Step 1 - All the required tools are included 8 ................................................................

Step 2 - Labels guide 8 .....................................................................................................

Step 3 - Use labels for reference 8 .................................................................................

Step 4 - Spare bag 9 .........................................................................................................

Step 5 - View high resolution images 9 ........................................................................

Step 6 - Printed parts - versioning 10 .............................................................................

Step 7 - We are here for you! 10 ......................................................................................

Step 8 - Pro tip: inserting the nuts 10 .............................................................................

Step 9 - Important: Electronics protection 11 ...............................................................

Step 10 - Reward yourself 11 ............................................................................................

Step 11 - How to successfully finish the assembly 11 ..................................................

2. Y-axis assembly 12 ............................................................................................................

Step 1 - Tools necessary for this chapter 13 ..................................................................

Step 2 - YZ frame - preparing the components 13 ......................................................

Step 3 - YZ frame - mounting the longer extrusions 13 ..............................................

Step 4 - YZ frame - mounting the shorter extrusions 14 ............................................

Step 5 - YZ frame - final check 14 ...................................................................................

Step 6 - Y-axis: front and rear plate preparation 14 .....................................................

Step 7 - Y-axis: front plate assembly 15 .........................................................................

Step 8 - Y-axis: preparation for the PSU 15 ..................................................................

Step 9 - Y-axis: rear plate assembly 15 ..........................................................................

Step 10 - Y-axis: geometry check 16 ...............................................................................

Step 11 - Mounting antivibration feet (optional) 16 ......................................................

Step 12 - Preparing Y-belt-idler (part 1) 16 ....................................................................

Step 13 - Preparing Y-belt-idler (part 2) 17 ....................................................................

Step 14 - Preparing Y-belt-idler (part 3) 17 ....................................................................

Step 15 - Mounting the Y-belt-idler 18 ...........................................................................

Step 16 - Y-axis: motor and motor holder 18 .................................................................

Step 17 - Preparing Y-motor-holder 18 ...........................................................................

Step 18 - Mounting Y-motor-holder 19 ..........................................................................

Step 19 - Y-axis: Y-carriage 19 .........................................................................................

Step 20 - Correct bearing orientation 19 .......................................................................

Step 21 - Installing bearings on the Y-carriage 20 ......................................................

Step 22 - Inserting smooth rods into Y-carriage 20 ....................................................

Step 23 - Y-axis: smooth rods holders 20 .....................................................................

Step 24 - Preparing Y-rod-holder 21 ..............................................................................

Step 25 - Mounting the Y-rod-holder parts 21 .............................................................

Step 26 - Installing the Y-carriage 21 .............................................................................

Step 27 - Aligning the smooth rods 21 ...........................................................................

Step 28 - Assembling the Y-motor pulley 22 ...............................................................

Step 29 - Y-axis: Assembling the belt 22 ......................................................................

Step 30 - Y-axis: Assembling the belt 22 ......................................................................

Step 31 - Y-axis: Assembling the belt 23 .......................................................................

Step 32 - Y-axis: Assembling the belt 23 ......................................................................

Step 33 - Y-axis: Assembling the belt 23 ......................................................................

Step 34 - Y-axis: Assembling the belt 24 ......................................................................

Step 35 - Aligning the Y-axis belt 24 .............................................................................

Step 36 - Tensioning the Y-axis belt 24 ........................................................................

Step 37 - Testing the Y-axis belt 25 ...............................................................................

Step 38 - Haribo time! 25 .................................................................................................

Step 39 - Y-axis is finished! 26 ........................................................................................

3. X-axis assembly 27 ............................................................................................................

Step 1 - Tools necessary for this chapter 28 .................................................................

Step 2 - X-axis: x-end idler and motor holder 28 .........................................................

Step 3 - X-axis: x-end idler and motor holder 29 .........................................................

Step 4 - X-axis: inserting linear bearings 29 ................................................................

Step 5 - X-end-motor: tensioner assembly 29 .............................................................

Step 6 - X-end-idler: bearing assembly 30 ...................................................................

Step 7 - X-axis: smooth rods preassembly 30 ..............................................................

Step 8 - Marking the bearings 30 ...................................................................................

Step 9 - X-axis: assembly 31 ............................................................................................

Step 10 - Assembling the X-axis motor pulley (part 1) 31 ...........................................

Step 11 - Assembling the X-axis motor pulley (part 2) 31 ...........................................

Step 12 - X-axis: assembling the motor 32 ...................................................................

Step 13 - Haribo time! 32 ..................................................................................................

Step 14 - X-axis is finished! 33 ........................................................................................

4. Z-axis assembly 34 ............................................................................................................

Step 1 - Tools necessary for this chapter 35 .................................................................

Step 2 - Z-axis: assembling motor holders 35 ..............................................................

Step 3 - Placing the Z-screw covers 35 .........................................................................

Step 4 - Z-axis: assembling the motors 36 ...................................................................

Step 5 - X-axis: trapezoidal nuts (part 1) 36 ..................................................................

Step 6 - X-axis: trapezoidal nuts (part 2) 36 .................................................................

Step 7 - Assembling the X-axis and smooth rods 37 ..................................................

Step 8 - Placing the Z-axis-top parts (part 1) 37 ...........................................................

Step 9 - Placing the Z-axis-top parts (part 2) 37 ..........................................................

Step 10 - Haribo time! 38 ..................................................................................................

Step 11 - Z-axis is finished! 38 .........................................................................................

5. E-axis assembly 39 ............................................................................................................

Step 1 - Tools necessary for this chapter 40 .................................................................

Step 2 - Few tips before we start 40 ..............................................................................

Step 3 - Extruder-body parts preparation 41 ................................................................

Step 4 - Extruder-body parts preparation 41 ................................................................

Step 5 - Extruder-body assembly 41 ..............................................................................

Step 6 - FS-lever assembly 42 ........................................................................................

Step 7 - Steel ball assembly 42 .......................................................................................

Step 8 - Extruder motor parts preparation 42 ..............................................................

Step 9 - Bondtech gear assembly 43 .............................................................................

Step 10 - Bondtech gear alignment 43 ..........................................................................

Step 11 - Extruder-cover part preparation 43 ................................................................

Step 12 - Hotend parts preparation 44 ...........................................................................

Step 13 - Hotend assembly 44 .........................................................................................

Step 14 - Extruder assembly 44 ......................................................................................

Step 15 - X-carriage parts preparation 45 .....................................................................

Step 16 - X-carriage assembly 45 ...................................................................................

Step 17 - Assembling the IR-sensor cable 45 ...............................................................

Step 18 - Assembling the X-carriage 46 ........................................................................

Step 19 - Assembling the X-carriage 46 ........................................................................

Step 20 - IR-sensor parts preparation 46 ......................................................................

Step 21 - IR-sensor assembly 47 .....................................................................................

Step 22 - IR-sensor assembly 47 ....................................................................................

Step 23 - Hotend fan parts preparation 47 ...................................................................

Step 24 - Hotend fan parts preparation (version A) 48 ...............................................

Step 25 - Hotend fan cable adjustment (version A) 48 ...............................................

Step 26 - Hotend fan assembly (version A) 48 .............................................................

Step 27 - Hotend fan assembly (version A) 49 .............................................................

Step 28 - Hotend fan parts preparation (version B) 49 ...............................................

Step 29 - Hotend fan cable adjustment (version B) 49 ..............................................

Step 30 - Hotend fan assembly (version B) 50 ............................................................

Step 31 - Hotend fan assembly (version B) 50 .............................................................

Step 32 - Extruder-idler parts preparation (both fan versions) 50 ...........................

Step 33 - Bearing assembly 51 ........................................................................................

Step 34 - Extruder-idler assembly 51 .............................................................................

Step 35 - Filament alignment check 51 .........................................................................

Step 36 - Extruder-idler mounting 52 ............................................................................

Step 37 - FS-cover parts preparation 52 .......................................................................

Step 38 - FS-cover assembly 53 .....................................................................................

Step 39 - Pretensioning the Extruder-idler 53 .............................................................

Step 40 - Print-fan-support parts preparation 54 .......................................................

Step 41 - Print-fan-support assembly 54 .......................................................................

Step 42 - Fan-shroud parts preparation (both fan versions) 54 ................................

Step 43 - Fan-shroud assembly (both fan versions) 55 ..............................................

Step 44 - Print fan parts preparation 55 ........................................................................

Step 45 - Print fan assembly 55 ......................................................................................

Step 46 - SuperPINDA sensor parts preparation 56 ...................................................

Step 47 - SuperPINDA sensor assembly 56 .................................................................

Step 48 - Extruder parts preparation 57 ........................................................................

Step 49 - Extruder preparation and mounting 57 ........................................................

Step 50 - Extruder channels cable management 57 ...................................................

Step 51 - X-axis belt parts preparation 58 .....................................................................

Step 52 - X-axis belt assembly 58 ..................................................................................

Step 53 - X-axis belt assembly 58 ..................................................................................

Step 54 - X-axis belt assembly 59 ..................................................................................

Step 55 - Tensioning the X-axis belt 59 ........................................................................

Step 56 - Aligning the X-axis belt 60 .............................................................................

Step 57 - Testing the X-axis belt 60 ...............................................................................

Step 58 - Trimming the X-axis belt 60 ..........................................................................

Step 59 - Fine tuning the x-axis belt 61 .........................................................................

Step 60 - Nylon guide parts preparation 61 ..................................................................

Step 61 - Nylon guide assembly 61 .................................................................................

Step 62 - X-carriage-back parts preparation 62 ..........................................................

Step 63 - Cable-holder assembly 62 ..............................................................................

Step 64 - X-carriage-back assembly 62 ........................................................................

Step 65 - Mounting the X-carriage-back 63 .................................................................

Step 66 - X-carriage-back assembly 63 ........................................................................

Step 67 - Textile sleeve parts preparation 63 ...............................................................

Step 68 - Tightening the textile sleeve 64 ....................................................................

Step 69 - Guiding the hotend thermistor cables 64 ....................................................

Step 70 - Tightening the hotend cables 64 ...................................................................

Step 71 - Haribo time! 65 ..................................................................................................

Step 72 - E-axis is finished! 65 ........................................................................................

6. LCD assembly 66 ...............................................................................................................

Step 1 - Tools necessary for this chapter 67 .................................................................

Step 2 - Preparing the LCD parts 67 ..............................................................................

Step 3 - Checking the LCD cables 68 ............................................................................

Step 4 - Assembling the LCD supports 68 ...................................................................

Step 5 - Assembling the LCD-cover 68 .........................................................................

Step 6 - Securing the LCD controller 69 .......................................................................

Step 7 - Preparing the supports for assembly 69 ........................................................

Step 8 - Mounting the LCD display onto the printer 69 .............................................

Step 9 - Assembling the LCD knob 70 ..........................................................................

Step 10 - Haribo time! 70 ..................................................................................................

Step 11 - LCD is done! 71 ...................................................................................................

7. Heatbed & PSU assembly 72 .........................................................................................

Step 1 - Tools necessary for this chapter 73 .................................................................

Step 2 - Heatbed cable assembly (part 1) 73 ................................................................

Step 3 - Heatbed cable assembly (part 2) 73 ................................................................

Step 4 - Heatbed cable assembly (part 3) 74 ................................................................

Step 5 - Preparing the heatbed 74 ..................................................................................

Step 6 - Preparing the heatbed-cable-cover 74 ...........................................................

Step 7 - Mounting the heatbed-cable-cover 75 ............................................................

Step 8 - Mounting the heatbed-cable-cover 75 ............................................................

Step 9 - Proper cable management 75 ..........................................................................

Step 10 - Wrapping the heatbed cables 76 ...................................................................

Step 11 - Securing the sleeve in place 76 .......................................................................

Step 12 - Finalizing the wrap 76 ......................................................................................

Step 13 - Preparing the heatbed screws and spacers 77 ............................................

Step 14 - Mounting the heatbed (part 1) 77 ...................................................................

Step 15 - Mounting the heatbed (part 2) 77 ..................................................................

Step 16 - Mounting the heatbed (part 3) 78 ..................................................................

Step 17 - Mounting the heatbed (part 4) 78 ..................................................................

Step 18 - Preparing the PSU parts 78 .............................................................................

Step 19 - Assembling the PSU 79 ...................................................................................

Step 20 - Assembling the PSU 79 ..................................................................................

Step 21 - Connecting the power cables (CRITICAL) 79 ..............................................

Step 22 - Connecting the power cables 80 ...................................................................

Step 23 - Connecting the power cables 80 ...................................................................

Step 24 - Connecting the power panic 80 ....................................................................

Step 25 - Haribo time! 81 ..................................................................................................

Step 26 - Heatbed and PSU are done! 81 ......................................................................

8. Electronics assembly 82 .................................................................................................

Step 1 - Tools necessary for this chapter 83 .................................................................

Step 2 - Preparing the Einsy-door (part 1) 83 ...............................................................

Step 3 - Preparing the Einsy-door (part 2) 83 ..............................................................

Step 4 - Identifying mount holes 84 ...............................................................................

Step 5 - Preparing the lower hinge 84 ...........................................................................

Step 6 - Einsy-door assembly 84 ....................................................................................

Step 7 - Wrapping X-axis cable 85 .................................................................................

Step 8 - Preparing the Einsy-base (part 1) 85 ...............................................................

Step 9 - Preparing the Einsy-base (part 2) 85 ..............................................................

Step 10 - Preparing the Einsy-base (part 3) 86 ............................................................

Step 11 - Preparing the Einsy-base (part 4) 86 .............................................................

Step 12 - Mounting the Einsy-base (part 1) 86 .............................................................

Step 13 - Mounting the Einsy-base (part 2) 87 .............................................................

Step 14 - Mounting the Einsy-base (part 3) 87 .............................................................

Step 15 - Cable management (part 1) 87 .......................................................................

Step 16 - Cable management (part 2) 88 ......................................................................

Step 17 - Cable management (part 3) 88 .......................................................................

Step 18 - Cable management (part 4) 88 ......................................................................

Step 19 - Cable management (part 5) 89 ......................................................................

Step 20 - Cable management (part 6) 89 .....................................................................

Step 21 - Cable management (part 7) 89 .......................................................................

Step 22 - Connecting cable bundles 90 ........................................................................

Step 23 - Connecting the heatbed cable bundle 90 ...................................................

Step 24 - PSU and HB power cables 90 ........................................................................

Step 25 - PSU and HB power cables 91 ........................................................................

Step 26 - PSU and HB power cables 91 ........................................................................

Step 27 - Preparing the PSU cover 91 ............................................................................

Step 28 - PSU and HB - final check 92 .........................................................................

Step 29 - Cable management 92 ....................................................................................

Step 30 - Connecting the extruder cable bundle 92 ...................................................

Step 31 - Wrapping the cable bundle 93 .......................................................................

Step 32 - Connecting the extruder cable bundle 93 ...................................................

Step 33 - Connecting the LCD cables 93 ......................................................................

Step 34 - Connecting the motor cables 94 ...................................................................

Step 35 - Preparing the zip ties 94 .................................................................................

Step 36 - Hotend cable management (part 1) 94 .........................................................

Step 37 - Hotend cable guiding (part 2) 95 ...................................................................

Step 38 - Verify all connections once more! 95 ...........................................................

Step 39 - Finalizing the Einsy-case 95 ..........................................................................

Step 40 - Mounting antivibration feet 96 ......................................................................

Step 41 - Assembling the double spool holder (part 1) 96 ..........................................

Step 42 - Assembling the double spool holder (part 2) 96 ........................................

Step 43 - Mounting the double spool holder 97 ...........................................................

Step 44 - Attaching the silver label 97 ...........................................................................

Step 45 - Haribo time! 97 .................................................................................................

Step 46 - Hooray! 98 .........................................................................................................

9. Preflight check 99 ..............................................................................................................

Step 1 - SuperPINDA adjustment (part 1) 100 ..............................................................

Step 2 - SuperPINDA adjustment (part 2) 100 .............................................................

Step 3 - SuperPINDA adjustment (part 3) 100 .............................................................

Step 4 - Quick guide for your first prints 101 ................................................................

Step 5 - Printable 3D models 101 ....................................................................................

Step 6 - Prusa knowledge base 102 ................................................................................

Step 7 - Join Printables! 102 .............................................................................................

Step 8 - Haribo time! 102 ..................................................................................................

Manual changelog MK3S+ kit 103 ...................................................................................

Step 1 - Versions history 104 ............................................................................................

Step 2 - Changes to the manual (1) 104 .........................................................................

Step 3 - Changes to the manual (2) 104 ........................................................................

Step 4 - Changes to the manual (3) 105 ........................................................................

Step 5 - Changes to the manual (4) 105 ........................................................................

Step 6 - Changes to the manual (5) 106 ........................................................................

Original Prusa i3 MK3S+ kit assembly 7

1. Introduction

8Original Prusa i3 MK3S+ kit assembly

STEP 1 All the required tools are included

STEP 2 Labels guide

STEP 3 Use labels for reference

1. Introduction

Original Prusa i3 MK3S+ kit assembly 9

STEP 4 Spare bag

STEP 5 View high resolution images

1. Introduction

10 Original Prusa i3 MK3S+ kit assembly

STEP 6 Printed parts - versioning

STEP 7 We are here for you!

STEP 8 Pro tip: inserting the nuts

1. Introduction

Original Prusa i3 MK3S+ kit assembly 11

STEP 9 Important: Electronics protection

STEP 10 Reward yourself

STEP 11 How to successfully finish the assembly

12 Original Prusa i3 MK3S+ kit assembly

2. Y-axis assembly

Original Prusa i3 MK3S+ kit assembly 13

STEP 1 Tools necessary for this chapter

STEP 2 YZ frame - preparing the components

STEP 3 YZ frame - mounting the longer extrusions

2. Y-axis assembly

14 Original Prusa i3 MK3S+ kit assembly

STEP 4 YZ frame - mounting the shorter extrusions

STEP 5 YZ frame - final check

STEP 6 Y-axis: front and rear plate preparation

2. Y-axis assembly

Original Prusa i3 MK3S+ kit assembly 15

STEP 7 Y-axis: front plate assembly

STEP 8 Y-axis: preparation for the PSU

STEP 9 Y-axis: rear plate assembly

2. Y-axis assembly

16 Original Prusa i3 MK3S+ kit assembly

STEP 10 Y-axis: geometry check

STEP 11 Mounting antivibration feet (optional)

STEP 12 Preparing Y-belt-idler (part 1)

2. Y-axis assembly

Original Prusa i3 MK3S+ kit assembly 17

STEP 13 Preparing Y-belt-idler (part 2)

STEP 14 Preparing Y-belt-idler (part 3)

2. Y-axis assembly

18 Original Prusa i3 MK3S+ kit assembly

STEP 15 Mounting the Y-belt-idler

STEP 16 Y-axis: motor and motor holder

STEP 17 Preparing Y-motor-holder

2. Y-axis assembly

Original Prusa i3 MK3S+ kit assembly 19

STEP 18 Mounting Y-motor-holder

STEP 19 Y-axis: Y-carriage

STEP 20 Correct bearing orientation

2. Y-axis assembly

20 Original Prusa i3 MK3S+ kit assembly

STEP 21 Installing bearings on the Y-carriage

STEP 22 Inserting smooth rods into Y-carriage

STEP 23 Y-axis: smooth rods holders

Table of contents

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