Garment Printer Owners

1. Download the zipped file and unzip on your PC.
2. Execute "GT-3 Firmware Update" in [ Brother GT-3 Tools ] and select the unzipped Firmware Data (extension ".bwf").
3. Follow the Wizard and update the GT-3 Firmware. Do not disconnect the USB cable in execution.

Download the Instruction Manual below for the latest information of Tube Cleaning, White Agitation, etc.

• Extended timing for Maintenance Parts Exchange.
• When the Maintenance Parts Exchange warning appears the print will now display the name of the items that will need to be replace.
• Changed the verbiage Daily Cleaning White to White Tube Flush.
• Changed timeout period of the LAN (30 sec to 120 sec).

This download includes the following items

• “GTX Graphics Lab 4.0”

If you want to make a quick graphic for printing, quickly print one of your graphics onto a shirt, or convert a pre-existing image into a print-ready file, building your content in GTX Graphics Lab is a convenient option!

The GTX Graphics Lab is a software application that gives you the ability to create and save layout data for your GTX Printer.

You will have to have the GTX 3.2 print driver installed to be able to use this software.

• Simple Text and Image Layouts that are created directly in GTX Graphics Lab by you, and then saved for printing.
• Print directly to your GTX printer, without having to convert your images from RGB (255, 255, 255).
• Saving existing image files as GTX -ready .ARX4 files.
• Storing your favorite layouts as reusable GTX print layout files. (".gtpl")

• Additional Languages of Russian, Turkish and Korean
• True Type Font support from all fonts loaded into Mac or PC
• Continuous Printing Mode
• AccuLine Support built in
• 3rd platen support
• Edge Frame Effect

This download includes the following items

• “GTX Graphics Lab 4.0”

At the current time, the Mac M1 Chip operating system is not supported.

If you want to make a quick graphic for printing, quickly print one of your graphics onto a shirt, or convert a pre-existing image into a print-ready file, building your content in GTX Graphics Lab is a convenient option!

The GTX Graphics Lab is a software application that gives you the ability to create and save layout data for your GTX Printer.

You will have to have the GTX 3.2 print driver installed to be able to use this software.

• Simple Text and Image Layouts that are created directly in GTX Graphics Lab by you, and then saved for printing.
• Print directly to your GTX printer, without having to convert your images from RGB (255, 255, 255).
• Saving existing image files as GTX -ready .ARX4 files.
• Storing your favorite layouts as reusable GTX print layout files. (".gtpl")

• Additional Languages of Russian, Turkish and Korean
• True Type Font support from all fonts loaded into Mac or PC
• Continuous Printing Mode
• AccuLine Support built in
• 3rd platen support
• Edge Frame Effect

Download “GT3 Setup_Driver version 2.5.0.3 _Win.zip” and unzip it The system will select the OS automatically (for Windows® 7 (64bit), Windows® 8.1 (64bit) and Windows® 10 (64bit)). This driver requires CPU of 2 GHz or better and a minimum of 4 GB of RAM. A monitor display of XGA (1024 x 768) or higher is required. When you initially install the driver make sure the GT-3 printer is not plugged into the PC.

• If you are running both a GTX-4 printer and a GT-3 series driver from the same PC you will need to upgrade the GT-3 driver to 2.5 first, before installing the GTX-4 driver or an error may occur.
• When you install this GT-3 series driver it will uninstall the Graphics Lab software for GT-3 and upgrade the driver.
• You will have to install Graphics Lab separately. See Graphics Lab installation file below.

Download “GT3_Setup_Driver_Package_2.6.1_Mac_v3.zip” and unzip it.This package includes printer driver, Instructional manual and the firmware for the GT printer. This driver works with MAC OS X 10.11 El Capitan and Sierra OS 10.12 and Mojave. This driver requires CPU of 2 GHz or better and a minimum of 4 GB of RAM. A monitor display of XGA (1024 X 768) or higher is required. When you initially install the driver make sure the GT-3 printer is not plugged into the MAC.

• If you are running both a GTX-4 printer and a GT-3 series driver from the same PC you will need to upgrade the MAC GT-3 driver to 2.6 first, before installing the GTX-4 driver or an error may occur.
• When you install this GT-3 series driver it will uninstall the Graphics Lab software for GT-3 and upgrade the driver.
• You will have to install Graphics Lab separately. See Graphics Lab installation file below.

This download includes the GT Garment Printer Uninstall Tool.zip. After unzipping the file open the GT Garment Printer Uninstall Tool folder and double click on the BrRemPnP.exe executable file to run the tool. This tool is for Windows® operating system computers only.

This download includes the Mac Instruction Manual in multiple languages. The instructions include installing the printer driver, connecting the printer to the MAC via a USB 2.0 cable and connecting the printer to the MAC via a LAN cable.

This evaluation version of the FileViewer enables to view the AR3 files output in 1200x600 dpi mode on the screen. Download the ZIP file and store on the desktop or any location, then unzip the file to use.

Download “GT3 Use Platen For Version 2.4.0.1.zip”, this tool is used if you have the 16x18 platen for your GT3. The tool will add the platen size to your print driver menu; it will also check your firmware version so the machine will accept this print area. This tool is for Windows OS only.

• Be sure to update the Print Driver Version 2.4.0.1 or the tool will not work
• This will give you this 16x18 option in your graphics Software and P-Dip.
• After you run the tool do a CR Speed Adjustment

Download the Test Data "GT3TestData.zip" separately from the Printer Driver. The ar3 files with a resolution of 1200 x 1200 dpi are quite large.

Refer to the Instruction Manual for further information of the following eleven ar3 files. Some of the files are for service operation.

The initial updated manual is in English, even if you have installed in German, French, Spanish or Italian. Download the PDF files of Instruction Manual and Basic Manual then overwrite in the folder below (where the system drive is "C"):

• Windows 8
• White Agitation, Print Head Replacement, Tube Cleaning, Long Storage and others

Other European Languages (DE, FR, ES, IT) are available upon request.