Difference between revisions of "Geeetech Mizar S 3D Printer"

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(→‎How to replace a hotend)
(→‎How to clean the hotend and replace a nozzle)
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The nozzle for Mizar S is available in our website: [https://www.geeetech.com/5pcs-nozzle-for-mizar-s-mizar-3d-printer-04mm-nozzle-screw-thread-m6-p-1352.html 5pcs* Nozzle for Mizar S]
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Watch video tutorial: [https://www.youtube.com/watch?v=teRDQRRNHfA How to clean hotend and replace nozzle of Mizar S]
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'''Step 1 Clean the hotend'''
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Preheat the nozzle to 220 Celsius from LCD menu.
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[[File:M34.png]]
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Clean the surface of the nozzle with tweezers.
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[[File:M35.png]]
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Unload the filament from the hotend.
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[[File:M36.png]]
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Remove the Teflon tube from the hotend.
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[[File:M37.png]]
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Use a cleaner rod (1.5 mm diameter, 100 mm length) to push it in and out several times, making the clog out. Do not use excessive force.
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[[File:M38.png]]
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Use a needle to clean the nozzle.
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[[File:M39.png]]
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'''Step 2 Replace a nozzle'''
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Turn the printer off.
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Remove the print head housing.
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Release the old nozzle with a 6mm spanner while holding the heater block in place with a 20mm spanner.
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[[File:M40.png]]
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Install the new nozzle and tighten it gently, but firmly. Do not use excessive force!
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[[File:M41.png]]
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Place the silicone sock for heater block.
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Install the print head housing.
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Insert and push the new PTFE tube into the heatbreak all the way down.
  
 
=== '''How to replace a control board'''===
 
=== '''How to replace a control board'''===

Revision as of 07:32, 4 May 2023

Introduction

Product details

Unpacking and proper handling

Slicing

Printer maintenance

How to replace a hotend

Mizar S hotend kit is available in our website: Mizar S hotend kit

Watch video tutorial: How to replace the hotend of Mizar S

Tools necessary for this guide
Wrench size 10 mm

Allen keys – 1.5/2/2.5/3 mm

Flat screwdriver tip width 2.5 mm

Diagonal pliers

Electrical tape

Zip ties

Craft knife or equivalent


Step 1 Preparing

Preheat the nozzle to 220 Celsius from the LCD menu, then unload the filament from the hotend.

Remove the Teflon tube from the hotend.

M1.png

Before moving to step 2, remember to turn the printer off and unplug it from the socket!

M32.png

Step 2 Disassembling the hotend

Remove the hotend housing and disconnect the hotend thermistor.

Release and remove the two screws that secure the hotend, then unplug all the cables on the extension board.

M3.png

Remove the extension board and the part cooling fan.

M4.png

M5.png

Remove the strain gauge.

M12.png

Step 3 Disconnecting the hotend cables

Remove the bottom cover and disconnect the cooling fan.

M13.png

M14.png

Disconnect the heater cartridge.

M15.png

Cut off the heat-shrink tubing from the connection wire. Avoid cutting the cable.

M7.png

M8.png

Remove the old heater cartridge.

M9.png


Step 4 Install the new hotend kit

Fix the new strain gauge.

M10.png

Install the new hotend.

M11.png

Run the cables of heater cartridge through the textile sleeve.

M16.png

Insert the both heater cables into the connector.

M18.png

Make sure the cables are fully inserted and tightened!

Tighten the textile sleeve with electrical tape.

M19.png

M21.png

Tighten the zip ties and cut the remaining parts.

M23.png

Install the part cooling fan and extension board.

M24.png

Connect all the hotend cables to the extension board.

M25.png

Step 5 Install the PTFE tube

Take the razor or knife and carefully trim the tube. The Teflon ends should remain flat. Uneven ends may cause hotend to jam.

M27.png

Insert and push the new PTFE tube into the heatbreak all the way down.

M28.png

M29.png

Install the print head housing.

M30.png

Plug the cooling fan back in and secure the base cover with screws.

M31.png

It's done! Plug in the printer and turn it on to check whether the printer works properly.

M33.png

How to clean the hotend and replace a nozzle

Tools necessary for this guide
Tweezers for nozzle

Wrench size 6/10/20 mm

Cleaner rod (1.5mm diameter, 100mm length)

Needle for nozzle

Allen key - 2 mm

The nozzle for Mizar S is available in our website: 5pcs* Nozzle for Mizar S

Watch video tutorial: How to clean hotend and replace nozzle of Mizar S

Step 1 Clean the hotend

Preheat the nozzle to 220 Celsius from LCD menu.

M34.png

Clean the surface of the nozzle with tweezers.

M35.png

Unload the filament from the hotend.

M36.png

Remove the Teflon tube from the hotend.

M37.png

Use a cleaner rod (1.5 mm diameter, 100 mm length) to push it in and out several times, making the clog out. Do not use excessive force.

M38.png

Use a needle to clean the nozzle.

M39.png

Step 2 Replace a nozzle

Turn the printer off.

Remove the print head housing.

Release the old nozzle with a 6mm spanner while holding the heater block in place with a 20mm spanner.

M40.png

Install the new nozzle and tighten it gently, but firmly. Do not use excessive force!

M41.png

Place the silicone sock for heater block.

Install the print head housing.

Insert and push the new PTFE tube into the heatbreak all the way down.

How to replace a control board

Tools necessary for this guide
Allen keys – 2.5/3 mm

Flat screwdriver tip width 2.5 mm

How to replace PSU

Tools necessary for this guide
Allen keys - 2.5/3 mm

Philips screwdriver for PSU cables

How to replace a hotbed

Tools necessary for this guide
Allen keys – 3 mm

Flat screwdriver tip width 2.5 mm

Diagonal pilers

Zip ties

How to replace a screen

Tools necessary for this guide
Allen keys - 2.5/3 mm
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