Prusa Mini Upgrade Kit Installation Instructions

Prusa Mini Upgrade Kit Installation Instructions


Prusa Mini Upgrade Kit Installation Instructions


What You Need

  1. Prusa Mini Upgrade Kit - Copperhead®
    1. Copperhead Hot Block
    2. Copperhead Heat Break - P Mini
    3. Copperhead Silicone Boot
    4. Bridgemaster® Nozzle - 0.4 mm 
    5. Capricorn Premium PTFE Tube
    6. Boron Nitride Paste
    7. Dowel Pin
  2. 1.5 mm Hex Key
  3. 2.0 mm Hex Key
  4. 2.5 mm Hex Key
  5. Adjustable Wrench
  6. 7 mm Wrench

Before Starting

  1. Move the Z-height up to allow enough room to pull the hotend out.
  2. Move the printhead to the left side to allow enough room to access the set screws on the heat sink.
  3. Unload any filament.
  4. Heat the hotend to 250 °C.

Removal

Step 1: Hold the hot block with the adjustable wrench and use the 7 mm wrench to unscrew the nozzle. Cool the hotend down to room temperature.
  
Be careful not to burn yourself; only use metal tools for this step!

Step 2: Use the 1.5 mm hex key to loosen the set screw for the thermistor. Use the 2.0 mm hex key to loosen the screw for the heater.
  
Step 3: Hold the hot block with the adjustable wrench. Use the 2.0 mm hex key to push the thermistor and heater out of the hot block.
  

Step 4: Use the 1.5 mm hex key to loosen the three set screws circled in green.


Step 5: Pull the hotend downwards and set it aside.


Installation

Step 1: Insert the PTFE tube into the Copperhead Heat Break


Step 2: Use the 2.0 mm hex key to remove the screw on the side of the Copperhead Hot Block shown below.

There is a dowel pin inside the hot block. Try not to let it fall out of the hot block.

Step 3: Use the 2.5 mm hex key to remove the two screws from the SuperPINDA sensor holder. Set the holder aside.
  

Step 4: Insert the Copperhead Hotend into the heat sink as shown. Use the 1.5 mm hex key to tighten the heat sink set screws circled in green.
  

Step 5: Use the foam swab to thoroughly coat the heater cartridge and the temperature sensor cartridge with Boron Nitride Paste. Clean any excess paste.
    

Step 6:  Fully insert the temperature sensor into the top hole and the heater cartridge into the bottom hole. 


Step 7: Reinsert the retaining screw into the hot block. Use the 2.0 mm hex key to tighten it.


Step 8: Replace the SuperPINDA sensor holder and use the 2.5 mm hex key to tighten the screws circled in green.


Step 9: Place the silicone boot onto the hot block. Make sure it is secured.
  

Step 10: PID tune the hotend and adjust the z-offset before printing.
The Prusa Mini's firmware does not store new PID values in EEPROM. Once you determine what the PID values should be after running the M303 command, add those values to your start GCODE with the M301 command. This ensures they are set each time you start a print.


This is the end of the Prusa Mini Upgrade Kit Installation Instructions.

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