Snapmaker Dual Extrusion 3D Printing Module User manual

Dual Extrusion 3D Printing Module
QUICK START GUIDE
MAKE SOMETHING WONDERFUL

CONTENTS
04
13
29
58
Before You Start
Machine Assembly
3D Printing
Maintenance

Before You Start
4 5
BEFORE
YOU
START
1.1 Disclaimer
Make sure that anyone who uses this product knows and understands the contents
of the Quick Start Guide. Failure to observe this guide may lead to personal injury,
inferior results, or damage to the Snapmaker products. Snapmaker does not assume
responsibility and expressly disclaims liability for any personal injury, inferior
results, or damage to the product arising out of or in connection with your improper
operations or failure to follow the instructions of the guide.
When using Snapmaker products, you should comply with the following
requirements:
- Follow the instructions of this guide, the applicable laws and regulations, and the
safety regulations in the assembly, handling, storage, use, maintenance, or disposal
of this product.
- Ensure there is no infringement on any third-party intellectual property rights or
violation of any applicable laws or regulations when making objects using this
product.
The conditions or methods of using Snapmaker products are beyond the control
of Snapmaker. For this reason, Snapmaker does not assume responsibility and
expressly disclaims liability for any consequences resulting from:
- your improper methods, failure to follow the instructions of this guide or impacts of
other uncertain factors when operating this product;
- your infringement on any third-party intellectual property rights or violation of any
applicable laws or regulations when making objects using this product;
- personal injury, inferior results, or damage to the product arising out of or in
connection with the assembly, handling, storage, use, maintenance, or disposal of
this product.
All the Snapmaker filaments are compatible with this product and have been tested
for safety. If you use this product with third-party filaments, Snapmaker does not
assume responsibility and expressly disclaims liability for any adverse effects from
the use or performance of these filaments.

Before You Start
6 7
This manual is provided for reference purposes only. We do not warrant the absolute
accuracy or completeness of the information provided by this manual. No part of
this guide may be reproduced, edited, or revised by any means without the prior
written permission of Snapmaker. We reserve the right to modify or revise this
manual in our sole discretion at any time without notice. You can download the most
up-to-date version of this manual at our Support Center (https://support.snapmaker.
com/): select Snapmaker Dual Extrusion 3D Printing Module > Quick Start Guide.
1.2 Intended Use
Snapmaker dual extrusion 3D printing modules are intended for use under the
guidelines provided in this guide. When making objects using Snapmaker dual
extrusion 3D printing modules (hereafter Dual Extrusion Module), users remain
responsible to qualify and validate the application of the created object for its
intended use, especially for applications in strictly regulated areas like medical
devices and aeronautics.
1.3 Safety Information
General Safety Information
- Follow the applicable local laws and regulations in the operation and application of
this product.
- Follow the instructions of the guide to use and maintain this product for safety
purposes.
- Do not expose this product to rain or wet conditions.
- Minors are only allowed to use this product under adult supervision and assistance.
- Ensure that bystanders also read and understand all the safety notes of this
product and keep bystanders away while operating this product for safety purposes.
- Stay alert, watch what you are doing, and pay attention to the surrounding
environment when operating this product.
- Do not use this product while you are tired or under the influence of drugs, alcohol,
or medication.
- Do not reach inside the product or touch the moving parts while the product is still
in operation.
- Do not leave the product unattended while it is still powered on.
- Always unplug the power cable from the electrical outlet before performing
maintenance or modifications.
Turn off the machine immediately and stop using this product if any of the
following occurs:
- You smell burning in this product at any point.
- You see any damage to the interior components of this product.
- The machine stops working unexpectedly.
- Unusual lights, sparks, or sounds come out of this product which has never
occurred previously.
3D Printing Safety Information
- Do not touch the nozzle, the print sheet,and the heated bed when the machine is
printing, heating, or just finished printing.
- Use this product in combination with air purifying devices or in a well-ventilated
environment, for some filaments and materials may release toxic odors or fumes
when melted.
- Always check the safety data sheet of each specific filament for safety information
before use. You might need to take additional safety measures when using this
product with third-party filaments.

Before You Start
8 9
Work Area
A150:
Dual Nozzle: 135 mm × 140 mm × 110 mm
Left Nozzle: 145 mm × 145 mm × 110 mm
Right Nozzle: 135 mm × 140 mm × 110 mm
A250:
Dual Nozzle: 220 mm × 235 mm × 205 mm
Left Nozzle / Right Nozzle: 220 mm × 235 mm × 205 mm
A350:
Dual Nozzle: 310 mm × 325 mm × 290 mm
Left Nozzle / Right Nozzle: 310 mm × 330 mm × 290 mm
Snapmaker 2.0 A150, Snapmaker 2.0 A150DET, Snapmaker
2.0 A150 Bundle, Snapmaker 2.0 A250, Snapmaker 2.0 A350,
Snapmaker 2.0 A250T, Snapmaker 2.0 A350T, Snapmaker 2.0
A250ENT, Snapmaker 2.0 A350ENT, Snapmaker 2.0 A250DET,
Snapmaker 2.0 A350DET, Snapmaker 2.0 F250, Snapmaker 2.0
F350, Snapmaker 2.0 F250DE, Snapmaker 2.0 F350DE
PLA, Breakaway PLA, ABS, ASA, PETG, PVA, TPU95-HF, TPU95,
TPU90, TPU-foam, HIPS, CoPA, PA6-CF, PA6-GF, PA12-CF
Dual Extrusion Module
Product Model TH-F-DUAL-AS
Dimensions 108 mm × 70 mm × 133 mm
Weight 1 kg
Frame Material Aluminum Alloy
Input Voltage 24 V DC
Operating Temperature 15-30°C
1.4 Safety Labels
Labels Warning Location
Avoid contact with hot surfaces.
Take care to avoid crushing hands. On the Dual
Extrusion Module
On the Dual
Extrusion Module
1.5 Specications[1]
[2]
Compatible
Machine Models
Supported
Materials [3]
Note:
[1] The specifications listed might be slightly changed in any meaningful way when
Snapmaker refines the product.
[2] Due to the installation errors generated by different users on human sensory
identification, the above work area may vary from machine to machine and is for
reference only.
[3] The hardened steel nozzle should be used when printing with CoPA, PA12-CF,
PA6-CF and PA6-GF.

Before You Start
10 11
Filament Holder
Tube ×1
Cable Clip ×2
Quick Start
Guide ×1
Wire Brush ×1
Filament Holder
Sheet ×1
Wiping Cloth ×1 Breakaway PLA ×1
Thumb Screw ×1
Calibration Card ×1
Sliding Nut ×1
Double End Studs ×1 M4×12 Screw ×4 M4×10 Screw ×5
+ Filment Tube Holder ×1
Dual Extrusion
Module ×1
Filament Tube Clip ×2
Dual Extrusion Module
Quick Start Guide
1.6 Parts List
Filment Tube ×2
1.7 Used Symbols
WARNING
CAUTION
MAKE SOMETHING WONDERFUL
Ignoring this type of message might result in malfunction or
damage of the product and injuries to users.
Details you should be aware of throughout the process.
EXPLANATION Provides supplementary information for a better
understanding of the instruction.
TIPS Tips offer you convenient operations and additional options.
ORIENTATION Make sure that the highlighted part is facing the right way.
1.8 Preparations
1.8.1 Software Update
Download the latest version of Snapmaker Luban from https://snapmaker.
com/snapmaker-luban. If you have already installed Snapmaker Luban on your
computer, ensure that its version is 4.5.0 or later. This guide takes version 4.5.0 as a
demonstration.

Machine Assembly
1312
MACHINE ASSEMBLY
1.8.2 Get the Screwdriver Ready
Get the screwdriver ready. The screwdriver head H2.5 is used for assembling the
machine. The other heads are used for maintenance. Before use, ensure that the
screw bit holder is put back into the handle.
1.9 About this Quick Start Guide
In the chapter of Machine Assembly, to describe how to assemble the machine
under the two scenarios of the machine without the Enclosure and with the
Enclosure installed, this guide takes Snapmaker 2.0 A150 and A350T as a
demonstration. While in the chapter of 3D Printing, all steps demonstrated on
Snapmaker 2.0 A350T apply to all the other compatible machine models.
This Quick Start Guide is intended to guide you through the assembly of Dual
Extrusion Module and the first-time operation with concise instructions and
graphics. Only one of the workflows has been described for you to get started, for
other workflows and more information about Dual Extrusion Module, refer to our
online User Manual: On the navigation bar of the Snapmaker official website (https://
support.snapmaker.com/), click Support > Product Support > Snapmaker Dual
Extrusion 3D Printing Module > User Manual.

Machine Assembly
14 15
2.1.1 A150
01/03
If the Enclosure is not installed on your machine, follow the corresponding
steps below to install the Dual Extrusion Module and the Filament Holder(s) in
accordance with your machine models.
2.1 Scenario 1: Enclosure Not Installed on the Machine
Attach the Dual Extrusion Module to the slider on the X
axis.
Dual Extrusion
Module ×1
M4×8 Screw ×4
Make sure the power switch
is in the Off position.

Machine Assembly
16 17
Connect the Dual Extrusion Module with the controller.
02/03 03/03
Toolhead Cable ×1
Extend the Filament Holder Tube on the basis of the
original Filament Holder.
Filament Holder Tube ×1
Double End Studs ×1
Original Thumb Screw ×1
Original Filament Holder Tube ×1
Original Filament Holder Sheet ×1
There is no need to detach the original Filament Holder Sheet
already installed on the machine.
Make sure the connector is in the right direction.

Machine Assembly
18 19
2.1.2 A250/A250T/F250/A350/A350T/F350
01/04 02/04
Attach the Dual Extrusion Module to the slider on the X
axis.
Dual Extrusion
Module ×1 M4×8 Screw ×4
Make sure the power switch
is in the Off position.
Attach the two cable clips to the X axis and the Z axis.
Cable Clip ×1
Cable Clip ×1
M4×10 Screw ×1
M4×10 Screw ×1

Machine Assembly
20 21
03/04 04/04
Connect the Dual Extrusion Module with the controller, and
then lock the Toolhead Cable into place.
Toolhead Cable ×1
Make sure there is enough cable length for the toolhead to move.
Attach the new Filament Holder to the other Z axis.
M4×10 Screw ×1 New Filament Holder
Tube ×1
New Filament Holder Sheet ×1
M4×10 Screw ×2
Make sure the connector is in the
right direction.

Machine Assembly
22 23
01/06
2.2.1 A150/A250/A250T/F250/A350/A350T/F350
2.2 Scenario 2: Enclosure Installed on the Machine
If you already have the Enclosure installed on your machine, move the toolhead
and platform to proper places as illustrated above that are convenient for
detaching, demonstrated in 3.2 Change Machine Functions in the Quick Start
Guide of the Enclosure.
Turn off the machine. Refer to Chapter 2.1 to install the Dual Extrusion Module,
and then follow Steps 01-06 to install the Filament Holder and the Filament
Tube Holder.
This guide takes the Enclosure of Snapmaker A350/A350T/F350
as a demonstration to describe how to install the Filament Holder
and the Filament Tube Holder. All steps demonstrated apply to the
Enclosure of Snapmaker A150, A250/A250T/F250.
Detach the original Filament Holder from the Enclosure,
and then install the new Filament Holder as illustrated.
Original Filament
Holder Tube ×1
Filament Holder
Tube ×1
New Filament
Holder Sheet ×1
Double End Studs ×1
Thumb Screw ×1

Machine Assembly
24 25
Insert the Sliding Nut into the 48CA Beam on the left of the
Enclosure. Adjust the installation position of the Sliding
Nut, in alignment with where the Snap Bushing is.
02/06 03/06
Sliding Nut ×1
Attach the new Filament Holder to the Sliding Nut.
M4×10 Screw ×1

Machine Assembly
26 27
04/06 05/06
Press both sides of the Snap Bushing inside the Enclosure,
and then gently push it out of the Side Panel.
Mount the Filament Tube Holder and the Filament Tube
onto the Side Panel.
Filment Tube Holder ×1
Filment Tube ×2
If you are using the A150 Enclosure, cut the Filament Tube as
needed.

3D Printing
2928
06/06
3D Printing
Remove the tube fixture from the filament entry, insert the
Filament Tube into the module, and finally attach the tube
fixture back.
Location of the
Filament Tube Clips
Before laser or CNC processes, you need to stick the provided tube
clips to the illustrated position inside the Enclosure and press the
Filament Tube into the clip.
To pull out the Filament Tube from the module, remove the tube
fixture first and press tight the round clamp at the filament entry
while pulling.

3D Printing
30 31
3.3 Calibrate the Dual Extrusion Module
: Turn on the machine > connect your machine to a Wi-Fi network > swipe
left on the Touchscreen > tap Settings > Firmware Update > Check for Updates
> Update Now > Complete.
: Download our firmware from https://support.snapmaker.com > insert the
USB flash drive into the controller > turn on the machine > swipe left on the
Touchscreen > tap Files > tap USB > tap the firmware file to update.
3.1 Firmware Update
Before use, update the firmware to version 1.15.0 or later. For Touchscreen
installed with the firmware of V1.9.0 or later, you can update via Wi-Fi or USB
flash drive. For firmware previous to V1.9.0, update only via USB flash drive.
Turn on the machine. Read the Safety Notes, and then tap Conrm, the
machine will automatically enter the Guide process.
3.2 Read Safety Notes
For the first-time use of the 3D printing function, the Touchscreen will walk
you through the necessary calibration processes so that the Dual Extrusion
Module can work properly.
You will have to complete three processes following the calibration wizard:
Leveling & Z Offset Calibration, XY Offset Calibration, and Offset Calibration
Check. Before you start the calibration, we recommend that you read this
section to learn about each process.
This calibration wizard appears only the first time you use the
Dual Extrusion Module. To redo the calibrations later, swipe left
on the homepage of the Touchscreen > select Settings > Dual
Extrusion Module Guide.

3D Printing
32 33
3.3.1 Leveling & Z Offset Calibration
LL
RR
How It Works
In the Z Offset Calibration, the two nozzles will move in turn to obtain the Z-axis
height of the module when the nozzle just touches the build plate. Along with
the flatness data collected in the Leveling process, the machine will make
real-time compensation for the build plate undulations by adjusting the Z-axis
movements of the module during printing.
Brief Introduction
The Dual Extrusion Module features a smart sensor that can be used to
automatically level the build plate and adjust the distance between the two
nozzles and the build plate. In this way, the machine ensures both nozzles
always extrude at a proper and consistent height throughout the printing
process to avoid poor first-layer adhesion, build plate abrasion, and collision.
When Nozzle L Works When Nozzle R Works
High
(Build
Plate
Height)
Low
Before doing the Leveling and the Z Offset Calibration , ensure
that the surface of both the print sheet and the nozzles is clean.
1. Tap Start, and the machine will run the Heated Leveling in Auto Mode by
default.
In Heated Leveling mode, to simulate realistic print conditions for
better leveling results, the Heated Bed will be heated to the target
temperature before performing leveling.

3D Printing
34 35
2. Tap Got it to start heating. After the temperature of the Heated Bed reaches
the target temperature, tap Start Leveling.
Do NOT touch the Heated Bed with bare hands while using the
Heated Leveling mode.
3. Wait for the machine to finish Leveling, and then it will automatically enter the
Z Offset Calibration process.
Every time after you have reassembled the module or machine,
redo the Leveling and Z Offset Calibration: swipe left on the Home
Screen > tap Calibration > Leveling or Z Offset Calibration.
Every time after you have replaced the hot end, redo the XY Offset
Calibration and Z Offset Calibration.

3D Printing
36 37
4. After finishing the Z Offset Calibration, tap Next to enter the XY Offset
Calibration process.
3.3.2 XY Offset Calibration
Brief Introduction
Calibrating the offsets of the two nozzles in the X and Y orientations can
achieve the optimal print quality of both nozzles in the horizontal direction and
avoid crossovers between different colors and materials.
Load Filament
You need to load filaments before calibrating the X and Y offset. Tap Start, and
the Touchscreen will guide you through loading filaments into the two nozzles.
The filament is fed into the module via the filament entry, passed by the
extruder to the hot end, and extruded out of the nozzle after being heated.
Our Dual Extrusion Module adopts the design of the dual-gear extruder,
which features better extruding force, achieves stable and smooth loading
and unloading, and can effectively avoid filament break and nozzle jam.
How It Works
Dual-gear Extruder

3D Printing
38 39
Load Filament Without the Enclosure Installed
1. Hang the filaments onto the Filament Holders in the order of "black filament
on the left and white filament on the right", and cut the bending end of the
filaments using the diagonal pliers.
Black Filament White Filament
To ensure the success of the calibration, you need to load PLA
filaments of distinct colors into the two nozzles.
The provided breakaway PLA filament can be specifically used to
print breakaway support structures, which are easy to remove.
2. Follow the prompts on the Touchscreen to heat the nozzles.
3. When the heating completes, tap Load and then insert the black PLA filament
into the left nozzle. Tap Stop Loading when the filament extrudes successfully.
Make sure to load the black PLA filament into the left nozzle and
the white Breakaway PLA filament into the right nozzle, which is
required to print the test model.