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Troubleshooting

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This page provides help and support for issues with installation, connection, drivers, and more.

I Need Help Installing ReplicatorG!

If you're having trouble figuring out which version of Python you need, or if you're confused about drivers, check out the installation instructions on replicat.org -- we walk you through the installation processes for Windows, Mac and Linux.

I Can't Figure out Which Is the Right Serial Port for My MakerBot

First, make sure that you've completed the steps to install the proper drivers for your system. This should happen as part of the installer on Windows, but you may need to do it manually if something went wrong. For manual installation instructions, click here.

Sometimes it can be difficult to tell which serial port you need to select, even if your drivers have been installed correctly. Here's a tip that should help:

Open ReplicatorG with your bot disconnected. Go to the Machine > Connection (Serial Port) menu and note the port numbers you see there. Now, plug in your MakerBot, go back to the Machine > Connection (Serial Port) and choose the Rescan serial ports option. Have a look at the selections again -- if a different port has appeared, that will be the correct port for your machine. If you don’t see an additional port, make sure that you’ve successfully installed the driver.

I Can See the Virtual Build Area but I Can't See My Model

If you’re using a Linux computer, you may have to install a different version of Java. Click here for instructions.

If your computer is running Windows 7 with the Windows Classic theme, you will have to switch to a different theme to have ReplicatorG display your model correctly.

I Can't Connect to My MakerBot through ReplicatorG

First, make sure that your bot is turned on and that your USB cable is connected at both ends. If you have a lot of other USB devices plugged in, try unplugging a few. Open the Machine menu and go to Connection. If there is a serial port listed there, select it. If not, choose “Rescan serial ports.” Then click the Connect button in ReplicatorG’s top bar.

If you’re using Linux, make sure your user has access to serial ports. Check rights on the file /dev/ttyUSBX (if you are using a FTDI usb-serial adapter, where X is the number of the corresponding serial port).

If you have MakerWare installed, that’s probably the issue. MakerWare connects to your MakerBot via a service called Conveyor. Once you install MakerWare, Conveyor will run in the background and prevent other programs, like ReplicatorG, from connecting to your bot. To reconnect to ReplicatorG, you’ll have to stop Conveyor. The easiest way to do this is through the Services menu in MakerWare.

How to stop Conveyor when you do not have MakerWare open depends on what operating system you’re using. On Windows computers, you can stop Conveyor through the Services application, which you can find by searching your computer. On Macs, open up Terminal and enter sudo launchctl unload /Library/LaunchDaemons/com.makerbot.conveyor.plist. On Linux computers the command is sudo stop conveyor. If you need to restart Conveyor, you can do that from MakerWare’s Services menu.

Every Time I Try to Print, ReplicatorG Wants to Regenerate My Gcode!

ReplicatorG comes set to regenerate the Gcode when you press the Build button from the model view, but it's easy to turn that option off: just go into ReplicatorG's Preferences and uncheck Automatically regenerate gcode when building from model view.

How Do I Make a Model Bigger or Smaller?

Once you have imported your .STL file into ReplicatorG, an image of your design should appear in model view. Click the button on the right labeled Scale. To adjust the size of the model click on the image and hold: dragging to the right or up will enlarge the model, while dragging left or down will shrink it.

You can also adjust the scale by manually changing the number in the field next to the Scale button. Inputting a 2 will double the size of the model, while inputting 0.5 will halve it.

How Do I Change My Heated Build Platform Temperature?

Go into your generated Gcode and find the line that begins with M109.

It will be about fifteen lines down, and the entire line will look something like this:

M109 S100 T0 (set HBP temperature)

The number after the S is the temperature -- just delete it and replace it with another number. For example, you might find that your ABS prints stick better at 110° C, or that your PLA prints go better if the heated build plate is only set to 40° or 50° C.

If you like your new build platform temperature so much that you want to use it all the time, you can edit the start.gcode file for your profile -- try going to the "Edit Slicing Profiles" window and clicking the "Locate" button. The start.gcode file is where the temperature settings come from, so once you edit it, everything you slice with that profile should show your new temperature.

Why Won't the Small Features on My Model Print Right?

Some settings are great for almost everything but can cause problems with specialized prints. If you're having trouble with small, delicate sections on certain prints, you may need to go into Skeinforge to change your Restart Extra Distance setting.

You'll find this setting in the Dimension plugin. It's right at the bottom, under Retraction Distance, which retracts a little bit of filament when you stop extruding so that you won't end up with extra little drips of plastic all over the place. Restart Extra Distance lets you change when it starts extruding again. A positive value will make it start a little bit early, but we've got it set to a slightly negative value, so it starts a tiny bit late. Most of the time this is good -- you're much less likely to get little blobs at the edge of your prints. But if a section of your print has a really tiny horizontal diameter, that tiny length you're subtracting could become a problem. Change the value from -0.2 to 0 and see what happens.

I Changed My Toolhead Offsets in ReplicatorG 40, but They Haven't Updated

This is a known bug. You will not be able to change your toolhead offsets through ReplicatorG 40, but you can change them through MakerWare's onboard Preferences menu.


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