---
title: "J-Head™ Farmer Assembly Guide"
description: "## J-Head™ Farmer Assembly Video Your browser does not support the video tag. --- ## J-Head™ Farmer Includes: - **A. - 1x** Finstack - **B. - 1x** Core Tube - **C. - 1x** Heater Block - **D. - 1x** Replaceable Nozzle - **E. -…"
url: "https://hotends.com/kb/j-head-farmer-assembly-guide/"
updated: "2022-12-26"
category: Assembly Guides
---

# J-Head™ Farmer Assembly Guide

## J-Head™ Farmer Assembly Video

   Your browser does not support the video tag.

---

## J-Head™ Farmer Includes:

- **A. - 1x** Finstack
- **B. - 1x** Core Tube
- **C. - 1x** Heater Block
- **D. - 1x** Replaceable Nozzle

- **E. - 1x** Direct Drive Adapter
- **F. - 1x** Direct Drive PTFE Insert
- **G. - 1x** m3 Setscrew (long)
- **H. - 1x** Fan Shroud

- **I. - 4x** m3 Screws (fan shroud)
- **J. - 1x** Fan 30mm
- **K. - 1x** Thermistor
- **L. - 1x** m3 Setscrews (short)

- **M. - 1x** Heater Cartridge
- **N. - 1x** Silicone Sock
- **O. - 1x** 1.5mm allen wrench
- **P. - 1x** 2.5 allen wrench

![Hotend - J-Head Farmer hotend kit includes](https://hotends.com/wp-content/uploads/2022/04/J-Head-Farmer-Assembly-Drawing-1024x893.jpg)

**Assembly:**

1. **Slide the core tube (B.) into the 4mm hole in the heaterblock. Secure using one of the short setscrews (L.) threaded in from the side of the heater block with a single threaded hole.**
   ![Hotend - J-Head Farmer hotend insert core tube](https://hotends.com/wp-content/uploads/2022/04/step-1-j-head-farmer.jpg)
2. **Install the Nozzle (D.) [*Don't Forget to Heat Tighten The Nozzle Before Printing!](https://hotends.com/kb/heat-tighten-your-hotend-nozzle/)**
   ![Hotend - J-Head Farmer hotend insert nozzle](https://hotends.com/wp-content/uploads/2022/04/step-2-j-head-farmer.jpg)
3. **Install Heater Cartridge(M.) and secure with short setscrew (L.)**
   ![Hotend - J-Head Farmer hotend insert heater cartridge](https://hotends.com/wp-content/uploads/2022/04/step-3-j-head-farmer.jpg)
4. **Slide Finstack (A.) over core tube (B.) take care to line the bottom of the finstack with the top of the heatbreak and secure with the long setscrew (G.)**
   ![Hotend - J-Head Farmer hotend insert into finstack](https://hotends.com/wp-content/uploads/2022/04/step-4-j-head-farmer.jpg)
5. **Secure Fan(J.) to the Fan Shroud(H.) with m3 Scews(I.) then clip onto the finstack(A.)**
   ![Hotend - J-Head Farmer hotend assemble fan to shroud and clip on finstack](https://hotends.com/wp-content/uploads/2022/04/step-5-j-head-farmer.jpg)
6. **Slide Silicone Sock (N.) over the Heaterblock (C.)**
   ![Hotend - J-Head Farmer hotend slide on silicone sock](https://hotends.com/wp-content/uploads/2022/04/J-Head-Farmer-Assembly-Drawing-sock.jpg)
7. **Thread the m3 Stud Thermistor (K.) into the upper left hole on the last hole remaining in the Heater Block (C.)**
   ![Hotend - J-Head Farmer hotend screw in m3 thermistor](https://hotends.com/wp-content/uploads/2022/04/J-Head-Farmer-Assembly-Drawing-thermistor.jpg)

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🎉 You have successfully completed **assembly** of your new J-Head™ Farmer Hotend… Enjoy! and happy printing! 🎉

## *Bonus* J-Head™ Farmer Height Adjustment Video *Bonus*

   Your browser does not support the video tag.  **How To Eliminate The Paper Test?**

Jog the hotend just above the print bed and drop the nozzle the rest of the way by loosening the finstack setscrew - EASY AS 1-2-3!

This also allows those with Dual Extruder printers to calibrate the hotends to be the same length!