Upgrade Toolhead Hotend PCB Adapter Circuit Board for Snapmaker-U1

FIT FOR SNAPMAKER U1: Direct replacement printhead circuit board for Snapmaker U1. Matches original mounting holes and features upgraded buckle terminals. Compatible with stock and ceramic hotend versions. Not fit for J1/J1S.

PLUG & PLAY EASY INSTALLATION: No soldering or firmware modification required. Simply unplug the old board and plug in this replacement. Get your printer running in minutes.

EXPANSION FOR DIY UPGRADES: Expansion interfaces allow you to add RGB lighting, PT100/PT1000 sensors, or filament runout detection. Customize your toolhead control board for DIY projects.

HIGH-PERFORMANCE MCU FOR STABLE PRINTING: High-performance MCU ensures stable signal transmission and quick response. Reduces print interruptions and improves printing accuracy.

REPLACEMENT: Factory match for Snapmaker U1. Restore your printer with a direct replacement circuit board.

U1 toolhead PCB replacement guide

Location

The PCB is located inside the toolhead and can only be replaced after removing the housing.

Terminology

Different from our official term, some people may use the following terms to describe this component:

Tool head PCB

Toolhead board

Print head PCB

Difficulty and Time Estimate

Difficulty：★☆☆☆☆ (Easy)

Estimated Time：15 minutes

When to Replace

When the toolhead PCB is damaged or malfunctioning.

When pogo pins need to be replaced. (The toolhead PCB integrates pogo pins, and each set of pogo pins is rated for 250,000 swaps)

Tools and Parts Required

H1.5 hex key

H2.0 hex key

New U1 toolhead PCB

Part 1. Remove the Toolhead

Step 1. Unload filament

Tap the specified area on the touchscreen (Highlighted in red in the image below).

Tap "Unload Mode".