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STACKER S4 User Manual

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STACKER S4 and STACKER S2
USER GUIDE – PART II
©Copyright 2017 STACKER, LLC
Minneapolis, MN 55427
http://stacker3d.com
STACKER® is the registered trademark of STACKER, LLC.
Revised: 7 August 2017

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  • Page 1 STACKER S4 and STACKER S2 USER GUIDE – PART II ©Copyright 2017 STACKER, LLC Minneapolis, MN 55427 http://stacker3d.com STACKER® is the registered trademark of STACKER, LLC. Revised: 7 August 2017...

  • Page 2: Table Of Contents

    PART II: STACKER S2/S4 USER GUIDE 2 User Guide - STACKER S2/S4 - Part II TABLE OF CONTENTS Introduction About this Guide Controls LCD Controls Manual Control via Stacker RUN Multi-Head Printing Multi-part Print Mode Multi-material Print Mode Removing Heads...

  • Page 3: Introduction

    To get the most out of your Stacker 3D printer, please read the entire User Guide – Part I before attempting to operate your printer. Part I of the User Guide should provide all the information necessary to set up and operate your printer.

  • Page 4: Controls

    The LCD menus enable the user to do just about anything that can be done with Stacker RUN. Because the LCD menus provide so much control, you should always be very careful when making changes to your printer’s settings through the LCD.
  • Page 5 Change filament: Drops bed a small amount and enables filament to be changed. Preheat PLA: Unfortunately, these settings are incorrect for Stacker, but Extruder 1 will be set to 190°C and the bed temperature will preheat 60°C.
  • Page 6 PART II: STACKER S2/S4 USER GUIDE 6 Home All: The X, Y, and Z axes will all move to their home positions. Home X / Home Y / Home Z: Will move the selected axis to its home position. X pos. Fast / Y pos. Fast / Z pos. Fast: Enables user to change the selected axis position quickly by turning the knob.
  • Page 7 PART II: STACKER S2/S4 USER GUIDE 7 extruder 2 to perform duplicate movements, 2 copies will enable extruders 1, 2, and 3 to perform the same movements, and 3 copies will enable all of the heads to make the same movements.
  • Page 8 PART II: STACKER S2/S4 USER GUIDE 8 Back General » Language » Acceleration » Feedrate » Extruder » Heating bed » Store to EEPROM » Load f. EEPROM » ATTENTION: Be careful with the Configuration menu items. Altering values in the Configuration menu can have major effects upon the printer. Read and be sure to fully understand the ramifications of the setting you are changing before making any changes within the Configuration menu.
  • Page 9 PART II: STACKER S2/S4 USER GUIDE 9 Main Menu » Configuration » Acceleration Back Print X : 800 Print Y : 800 Print Z : 50 Move X : 1000 Move Y : 1000 Move Z Jerk : 15.0 Z-Jerk : 0.3...
  • Page 10 PART II: STACKER S2/S4 USER GUIDE 10 Main Menu » Configuration » Extruder Back # Select extr. 1 # Select extr. 2 # Select extr. 3 # Select extr. 4 X-Offset: 0.00 Y-Offset: 0.00 Steps/MM: 239.4 Start FR: Max FR:...

  • Page 11: Manual Control Via Stacker Run

    Repetier website: http://www.repetier.com/documentation/repetier-host/rhmanual-control/ B. Sending G-code to the printer. From the manual control panel, Stacker RUN can accept most G-code commands. For advanced users this can be quite helpful. Here is a list of some codes that are compatible with Stacker.
  • Page 12 PART II: STACKER S2/S4 USER GUIDE 12 • G4 [S/P] - Dwell / Wait in ms • G20 - Set units for G0/G1 to inches • G21 - Set units for G0/G1 to mm • G28 [X/Y/Z] - Home all axis or named axis •...
  • Page 13 PART II: STACKER S2/S4 USER GUIDE 13 • M280 S2 - Ditto print mode for heads 1, 2 and 3 (for making three copies at same time) • M280 S3 - Ditto print mode for heads 1, 2, 3 and 4 (for making four copies at same time)

  • Page 14: Multi-Head Printing

    In other words, selected extruders will duplicate (copy) the movements of the first extruder. Because the S4 has four heads, you are able to print up to four copies in multi-part print mode, and the S2 can print up to two copies in multi-part print mode.
  • Page 15 PART II: STACKER S2/S4 USER GUIDE 15 Once the heads have been positioned along the gantry where indicated by the guide, secure the heads by pushing the belt clamp bracket upward with your finger and securing it with a 2.5mm hex driver. Once tightened, make sure it is secured to the belt by moving head one.

  • Page 16: Multi-Material Print Mode

    Printing in multi-material mode is for advanced users and requires a good understanding of the operation of your Stacker printer and Simplify3D. Multi-material printing involves a critical process of calibration, and if calibration is not performed correctly, the results will be imperfect.
  • Page 17 A. Dual Color Prints (2 Head Printing) Step 1. Set the X Offset for Extruder 2. To begin, if you have a Stacker S4, you must remove heads three and four from the X rail (see section 3.3 for removal instructions).
  • Page 18 PART II: STACKER S2/S4 USER GUIDE 18 color print. Go to Edit the Process Settings in Simplify3D and add a Starting Script and a Tool Change Script under the Scrips tab. Scripts Starting Script Tool Change Script G1 E-15 T0...

  • Page 19: Removing Heads

    470mm 510mm On the Stacker S4, you can remove the second, third, and fourth hot ends fairly easily. The first hot end should never be removed from the printer. On the Stacker S2, you can only remove head two. The first hot end should never be removed from the printer.
  • Page 20 PART II: STACKER S2/S4 USER GUIDE 20 temperature, reduce the temperature and wait for them to cool before attempting to detach the hot end from the X rail. Step 2. Remove Guard Plate. On the printer frame, use a 2.5mm hex driver to remove the two M3 x 6mm screws and lock washers holding the guard plate in place.
  • Page 21 PART II: STACKER S2/S4 USER GUIDE 21 CAUTION! BE CAREFUL! Whenever a hot end is removed is removed from the rail, you must handle it very carefully. The linear block which attaches to the linear rail uses tiny recirculating ball bearings for movement, and if any of these ball bearings fall out of the block, it will lead to catastrophic failure of the movement system.
  • Page 22 PART II: STACKER S2/S4 USER GUIDE 22 Step 6. Reattach the Guard Plate. After the heads have been removed and stored carefully, reattach the guard plate that was removed in Step 2.

  • Page 23: Pid Calibration

    Whenever you change a heater block, you should always perform a PID autotune and make the necessary changes to your EEPROM. To run a PID autotune, you will need to open Stacker RUN and enter the flowing text into the manual control line.

  • Page 24: Calibration Of X/Y/Z Motion System

    PART II: STACKER S2/S4 USER GUIDE 24 5. Calibration of X/Y/Z Motion System Your Stacker printer was fully calibrated at the factory, but over time your X/Y/Z motion system may experience minor changes as belt tension changes and linear rail movement.
  • Page 25 PART II: STACKER S2/S4 USER GUIDE 25 Y-Belt: Adjusting the belt tension on the Y-axis belts can change the squareness of the gantry. When making adjustments to these belts, be careful to make equal changes to both belts. When making changes to the Y-axis belt tension, you will need a square to verify that the X- gantry remains square with the Y-gantry.

  • Page 26: Stacker Run

    Change your steps in the EEPROM. Once you have the dial indicator positioned to measure the X, Y, or Z motor steps, you will need to open your EEPROM window in Stacker RUN by pressing the key combination Alt+E or select “Firmware EEPROM Configuration” under the Config menu.
  • Page 27 PART II: STACKER S2/S4 USER GUIDE 27 To calculate the new motor steps, zero the dial indicator, then use Stacker RUN to manually move the motor 10mm. To calculate the new steps, use this formula below: For example, if you attempted to move a print head (X axis) to the right 10mm, but the printer only moved the print head 9.5mm.
  • Page 28 Nevertheless, if you wish to test and adjust your Z backlash, you can do the following step: 1. In Stacker RUN, open the EEPROM and change the Z backlash number to 0mm. 2. Home the Z-Axis.

  • Page 29: Controller Housing

    PART II: STACKER S2/S4 USER GUIDE 29 6. Controller Housing 6.1. Connecting and disconnecting the USB Cable: Your printer ships with the USB cable attached to the printer. If the USB cable becomes detached or if you would like to remove the USB cable, please follow the following steps to attach or detach the USB cable from the printer.

  • Page 30: Setting Vref For Stepper Motor Drivers

    3. Do not touch the LCD smart controller or connect via any host software, such as STACKER RUN or Simplify3D while making any Vref adjustments. 4. Using a high quality voltage meter touch the + of the voltmeter to the VREF Test Point on the driver and the [-] lead to the Ground Nut.
  • Page 31 PART II: STACKER S2/S4 USER GUIDE 31 5. The current limit can be adjusted by turning the Vref Trim Pot with a small slot head screwdriver. While watching the voltage meter, turn the Vref Trim Pot with a small screwdriver until it has reached the voltage indicated for the driver on the table below.

  • Page 32: Connecting The Raspberry Pi

    LINUX operating system. Neither the Raspberry Pi nor the LINUX operating system are covered by your Stacker warranty. Stacker’s customer support does not extend to third-party products.

  • Page 33: Software Installation

    PART II: STACKER S2/S4 USER GUIDE 33 7.2 Software Installation Step 1: Install Raspbian onto your microSD card • Download the latest Raspbian image file to your computer: http://downloads.raspberrypi.org/raspbian_latest • After downloading the .zip file, unzip the file to get the image file (.img).
  • Page 34 PART II: STACKER S2/S4 USER GUIDE 34 • Once the GUI has loaded, click on network icon (top right) and select your network and enter the network password • Open the Terminal and type sudo ifconfig command to discover your IP address.
  • Page 35 Linux.deb Step 6: Access Repetier • Connect your Raspberry Pi via USB cable to your Stacker printer, and then power on both the Raspberry Pi and the printer. • With any web browser on the same network, enter the Raspberry Pi’s IP address with port extension 3344.
  • Page 36 PART II: STACKER S2/S4 USER GUIDE 36 Geometry. The Geometry should match that of your printer, so only make changes if necessary. Extruders and Bed. Verify the number of exturders and change the filament diameter to 1.75mm. Features. The features should match those of your printer, i.e.,...

  • Page 37: Hardware Installation

    PART II: STACKER S2/S4 USER GUIDE 37 7.2 Hardware Installation The controller housing on your printer includes four mounting holes positioned to accommodate a Raspberry Pi. These are located on the right side of the controller housing. Follow the instructions in section 6.1 step 2 to open the controller housing. Install the Raspberry Pi using...

  • Page 38: Optional Printing Surface Installation

    BuildTak, Kapton, or PEI. The FlexPlate System is an option for either the Stacker S2 or S4 printer and is available on our website. WARNING! THE FLEXPLATE IS A PERMANENT INSTALLATION! Once the FlexPlate Magnetic Base is attached to your printer’s aluminum build plate, the magnetic base cannot be removed.
  • Page 39 PART II: STACKER S2/S4 USER GUIDE 39 Step 1. Clean your printer’s aluminum build plate. Remove the BuildTak from your printer, then use rubbing alcohol and a clean rag to remove any adhesive, dust, or debris from the aluminum bed.
  • Page 40 PART II: STACKER S2/S4 USER GUIDE 40 Step 4. Attach the BuildTak to the FlexPlate: Read, understand, then remove the warning sticker from the metal FlexPlate. Set the FlexPlate onto the magnetic base. Turn on the printer and allow the metal FlexPlate to warm to 50°C.

  • Page 41: Glass Bed Installation

    PART II: STACKER S2/S4 USER GUIDE 41 FlexPlate moving. In order to prevent the possibility of a layer shift, we recommend installing the Build Plate Glass Clips. See section 8.2. for installation instructions. Final Note: In time, the BuidTak may tear or lose its adhesive properties. To attach a new...
  • Page 42 PART II: STACKER S2/S4 USER GUIDE 42 a) Glass Clip Locations: The glass clips secure the glass plate to the aluminum bed and prevent the glass from sliding. To install the glass clips, you will need a 3mm hex key.
  • Page 43 PART II: STACKER S2/S4 USER GUIDE 43 Place the glass plate on to the bed and attach the four Bed Clamps to the Glass Clamp Holding Brackets using a Thumbscrews. c) Confirm the Z-Height: Confirm and adjust the first layer height if necessary using the Z- height adjustment screw and a feeler gauge.
  • Page 44 PART II: STACKER S2/S4 USER GUIDE 44 Once your nozzle height is adjusted, you are ready to print.

  • Page 45: Power Supply Data Sheet

    PART II: STACKER S2/S4 USER GUIDE 45 9. Power Supply Data Sheets...
  • Page 46 PART II: STACKER S2/S4 USER GUIDE 46...
  • Page 47 PART II: STACKER S2/S4 USER GUIDE 47...

This manual is also suitable for:

S2

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