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LINUS
/ 3D printing

LINUS Duplicator 4pro
Desktop 3D printer
The LINUS Duplicator 4PRO 3D Printer is an ABS/PLA optimized machine for those who want to explore the frontiers of 3D printing. The troubleshooting guides and documentation in these pages will orient you and get you back on track if something should go wrong. If you need more help, reach out to us through email.
Documentation - Menus
THE LCD MENUS ON THE LINUS Duplicator 4PRO
- 1.1
- 1.2
- 1.3
- 1.4
- 1.5
- 1.6
- 1.7
- 1.8
- 1.9
- 1.10
This page describes the LINUS Duplicator 4PRO’s onboard menus as of Duplicator Firmware version 7.3
When you first turn on LINUS Duplicator 4PRO, the startup script takes you through a few different processes — leveling your build plate, loading filament, and printing from an SD card. You probably already know that you can use theLINUS Duplicator 4PRO’s LCD interface to do all of those things again, but have you explored all the other things you can use it for?
Build from SD
To print an .x3g file from an SD card, just select Build from SD using the M button and use the up and down arrows to choose from the list of files you have on your SD card. Press M to start the print. Select Exit Menu to return to the main screen.
Preheat
To preheat your LINUS Duplicator 4PRO, select Preheat. 1.1 Choose which things you want to preheat: for example, if you're printing with dual extrusion, you'll want both extruders set to ON, and if you're printing with PLA you might want to set the platform to OFF. To turn the platform or an extruder on or off for a preheat, use the arrow buttons to navigate to the item you want to change and press the M button to toggle the setting. To start the preheat, navigate to the top line of this screen and press the M.
If the default preheating temperature isn’t right for you, see Preheat Settingsbelow for information on how to change it. And if you need to stop the preheating process, just go into the Preheat menu again and select "Cool!"
Utilities
The Utilities menu contains controls for your bot and scripts for processes like loading filament and leveling the build plate. 1.2
Monitor Mode shows you the current temperature of your extruders and build plate. This is the same screen you’ll see while preheating. The progress indicator at the upper right of the LCD screen will toggle between percent completed and time elapsed. 1.3
Change Filament has scripts that let you load and unload filament. If you’ve used these scripts before and you don’t want to sit through all the instructions every time you use them, see Help Text below to learn how to shorten them.
You can use Level Build Plate to walk you through the plate leveling process. This script moves the extruders to different points on the plate, allowing you to adjust the plate height at each point. You can always stop the script in the middle by pressing the left arrow and selecting “Yes” when your LINUS Duplicator 4PRO asks you if you want to quit this process.
Home Axes moves your build platform and extruders to their Home positions. If you want to move them anywhere else, you can use Jog Mode.
1.4 In Jog Mode, use the left and right arrows to choose an axis and the up and down arrows to move your extruders or build platform along that axis. Jogging the Z axis will move your platform up and down, and jogging the X and Y axes will move your extruder right and left and backwards and forwards, respectively.
Run Startup Script will take you to the script that the LINUS Duplicator 4PRO runs when you turn it on for the first time. It will walk you through leveling your build plate, loading filament into both extruders, and printing from the SD card. You can exit the startup script by hitting the left arrow, but not until the leveling sequence has begun.
The next item on the menu is Disable Steppers. Press the M button to disable the X, Y and Z-axis stepper motors. When the motors are disabled, an Enable Steppers option will appear instead. Press the M a second time to enable the motors.
Blink LEDs is pretty simple — just use the M to select it, and the LEDs in the LINUS Duplicator 4PRO will start blinking. The menu item will change to Stop Blinking! and you can press the M again to turn the blinking off.
Calibrate Nozzles is there to help you out when your nozzles aren't aligned correctly -- use it if the two parts of your dual extrusion prints don't appear to be lined up correctly on the plate. The script will print a series of lines with each nozzle and ask you to choose the ones that line up best. Your LINUS Duplicator 4PRO will store that information and use it to make your dual extrusion prints align better in the future.
Info and Settings
Bot Statistics records estimated build time -- both over the lifetime of your LINUS Duplicator 4PRO and for your last completed build. 1.5
General Settings
There are a number of things you can edit in General Settings. 1.6 To navigate the menu, use the up and down arrows to select the setting you want to change. Use the M button to select, the up and down buttons to cycle through the available options, and the M again to confirm your setting.
Sound can be set to ON or OFF. Turning sound off stops the LINUS Duplicator 4PRO from beeping when you turn it on, or when a print finishes, but it won’t completely stop your bot from making noises — the sounds you hear while printing come from the stepper motors, and can’t be turned off.
LED Color controls the color of the LEDs that sit inside the LINUS Duplicator 4PRO's frame. It can be set to WHITE, RED, ORANGE, PINK, GREEN, BLUE, or PURPLE, or turned off altogether.
Accelerate can be set to ON or OFF. Acceleration makes your bot operate more smoothly, and is turned on by default.
Heat Hold tells your LINUS Duplicator 4PRO to continue heating your extruder after a build finishes. Turn this feature on by setting a hold time -- anything between one and thirty minutes.
Help Text can be set to ON or OFF. Turning it off will make the filament loading and unloading scripts go faster by cutting out most of the instructions.
Heat LEDs can be set to ON or OFF. When it’s on, the LED color will change from blue to red during the heating process and return to the default color when the heating process finishes.
Tool Count refers to how many extruders your LINUS Duplicator 4PRO has, and it can be set to DUAL or SINGLE. Your LINUS Duplicator 4PRO has dual extruders.
Heated Plate tells your LINUS Duplicator 4PRO whether or not it has a heated build plate. This can be set to Yes or No. Your LINUS Duplicator 4PRO has a heated build plate.
Select exit menu to leave General Settings and return to the main Info and Settings menu.
Preheat Settings lets you change the temperature your extruders and platform are aiming for when you ask them to preheat. Scroll to the setting you want to change, press the M button to start editing it, and use the up and down arrows to raise or lower the temperature. Then confirm the temperature you’ve chosen by hitting the M button again. Keep in mind that the temperatures are in degrees Celsius.
Version Number lets you check which version of Duplicator firmware you’re running on your LINUS Duplicator 4PRO.
Restore Defaults will restore the LINUS Duplicator 4PRO’s factory settings. But don’t worry — you have to confirm that you want to restore the defaults, so it’s hard to do it by accident. 1.7
The Active Build Menu
There are also some settings you can change while printing. To access these, press the left arrow during a build. 1.8
Pause lets you stop a print briefly. During Pause, your extruders and build platform will not move from their current locations. Use Pause to stop a print briefly -- for longer stops, allowing a heated nozzle to remain in contact with your print may cause problems.
Cancel Build stops a build permanently. After you choose this option, you will be asked to confirm that you want to cancel the build.
Change Filament allows you to move the extruders away from your print, switch filament, and resume the print. This can be useful for printing multi-colored objects or for switching to a new spool of filament when one runs out. When you initiate a Change Filament pause, you will be taken to the Change Filament submenu and the X, Y and Z stepper motors will lock to prevent the extruders and build plate from moving during the pause.
Once you have changed the filament, hit the left arrow button to return to the Active Build menu and resume the print. If you wait more than 15 minutes to change filament, the pause to change filament will become a cold pause, as described below.
Sleep (Cold Pause) allows you to pause for long periods of time. When you select this option, your LINUS Duplicator 4PRO will complete any queued commands before moving the extruders away from your print, disengaging the gantry stepper motors and allowing the extruders and build plate to cool. Be careful not to move the extruders during a cold pause; the bot will not return the extruders to the correct position before resuming the print.
During a cold pause, the menu option will change to "Resume Build." Press M to resume printing. 1.9
Z Pause Height allows you to pause your print at a set height. When you select this option, you will see two additional settings: Z Position and Pause Active. To set the pause height, scroll to Z Position, press the M button, and use the arrows to increase the pause height in millimeters. Press the M again to confirm the height. Scroll to Pause Active and use the M button to toggle the setting ON and OFF. When Pause Active is set to ON, a Z height pause will be triggered, even if the Z Position is set to 0.
During a Z height pause, you will be taken to the Change Filament submenu. Press the left arrow to return to the active build menu and resume a print.
The Filament Fan setting allows you to turn an active cooling fan on and off during a build. Your LINUS Duplicator 4PRO does not come with an active cooling fan installed.
The LED Color menu here the same as the one you can access through General Settings.
Build Statistics allows you to view the elapsed time on a current build, as well as the line number of the current command being executed by yourLINUS Duplicator 4PRO. 1.10
Back to Monitor returns you to the Monitor screen.









