Original Prusa i3 MK3S User Manual (English)

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Table of Contents

1. Introduction 9 ......................................................................................................................

Step 1 - Preparing the upgrade kit 10 .............................................................................

Step 2 - Getting the necessary tools 10 .........................................................................

Step 3 - Additional utilities for this guide 11 .................................................................

Step 4 - Labels guide 11 ....................................................................................................

Step 5 - Spare bag 12 ........................................................................................................

Step 6 - Printed parts - versioning 12 .............................................................................

Step 7 - Printed parts - self printing 13 ..........................................................................

Step 8 - Printable parts - Silver to Black PSU 14 .........................................................

Step 9 - Printed parts post-processing 15 .....................................................................

Step 10 - We are here for you! 16 ....................................................................................

Step 11 - Pro tip: inserting the nuts 17 ............................................................................

Step 12 - View high resolution images 17 ......................................................................

Step 13 - Important: Electronics protection 18 .............................................................

Step 14 - Reward yourself 19 ............................................................................................

Step 15 - How to successfully finish the assembly 20 ................................................

Step 16 - Prepare your desk 21 ........................................................................................

1a. Parts check 22 ...................................................................................................................

Step 1 - Introduction 23 ....................................................................................................

Step 2 - Preparing the printer 23 ....................................................................................

Step 3 - Heatbed inspection 24 .......................................................................................

Step 4 - X-axis smooth rods inspection 24 ...................................................................

Step 5 - Y-axis smooth rods inspection 25 ....................................................................

Step 6 - Printer frame inspection 25 ..............................................................................

Step 7 - Can I open the Haribo? 26 ................................................................................

Step 8 - Let's get started 26 .............................................................................................

1b. Printer disassembly 27 ...................................................................................................

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

Step 2 - Opening the electronics box 28 .......................................................................

Step 3 - Disconnecting cables 29 ...................................................................................

Step 4 - Removing the Einsy-base 29 ............................................................................

Step 5 - Removing the Einsy-door 30 ............................................................................

Step 6 - Removing the heatbed 30 .................................................................................

Step 7 - Dismantling cable management 31 .................................................................

Step 8 - Removing the LCD assembly 31 ......................................................................

Step 9 - Dismantling the Y-axis: removing the belt 32 ...............................................

Step 10 - Removing the Y-axis assembly 32 .................................................................

Step 11 - Removing the Z-axis-tops 33 ...........................................................................

Step 12 - Removing the cable-holder 33 ........................................................................

Step 13 - Removing the X-axis assembly 34 .................................................................

Step 14 - Removing the Z-axis motors 34 .....................................................................

Step 15 - Removing the Z-axis-bottoms 35 ...................................................................

Step 16 - Removing the Y-motor 35 ...............................................................................

Step 17 - Disconnecting the power cables (Black PSU) 36 ........................................

Step 18 - Disassembling the Y-carriage: belt 36 ..........................................................

Step 19 - Dissasembling the Y-carriage: rod holders 37 .............................................

Step 20 - Disassembling the Y-carriage: bearings 37 ................................................

Step 21 - Disassembling the X-axis: Removing the pulley 38 ...................................

Step 22 - Removing the X-axis motor 38 ......................................................................

Step 23 - Removing the X-axis smooth rods 39 ..........................................................

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Original Prusa i3 MK3S Specifications

General

Print Technology	Fused Deposition Modeling (FDM)
Build Volume	250 x 210 x 210 mm
Layer Height	0.05 - 0.35 mm
Filament Diameter	1.75 mm
Max Nozzle Temperature	300°C
Max Bed Temperature	120°C
Weight	7 kg
Nozzle Diameter	0.4 mm
Max Print Speed	200 mm/s
Connectivity	USB, SD Card
Supported Materials	PLA, PETG, ASA, ABS, PC, CPE, PVA, HIPS, PP, Flex, Nylon
Frame	Aluminum
Extruder	Direct Drive
Print Surface	PEI spring steel sheet
Power Supply	24V
Firmware	Prusa Firmware