Brother GTXpro BULK DTF R2R User manual
We share our experience to give you the best Support
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GTXpro BULK DTF R2R
COOKBOOK
CONTENT
1GENERAL INFORMATION 2
1.1 Software 2
1.2 Rule regarding the power supply 2
1.3 Environmental printing conditions 2
1.4 Storage of liquids 3
1.5 Control panel 3
2BEFORE PRINTING 4
2.1 Visual inspection 4
2.2 Alignment of the machines 5
2.3 Refill the powder at the PowDR 7
2.4 Daily nozzle test 7
3HOW TO PRINT 9
4DURING THE DAILY WORK 9
4.1 Inserting a film roll 9
4.2 Before white ink refill 13
4.3 Ink refill 14
4.4 Ink tank calibration 16
4.5 Cleaning solution refill 17
4.6The obstacle sensor 17
4.7 End of film sensor 18
4.8 Event of power failure 19
4.9 Cleaning and replacement of parts 19
5MAINTENANCES 20
5.1 Weekly maintenance 20
5.2 Monthly maintenance 23
5.3 Preventive maintenance 25
5.4 Extract a logfile for support 25
5.5 When not using the printer 25
6CONSUMABLES 26
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1 GENERAL INFORMATION
The printer should only be used by operators who are appropriately trained in its safe operation.
The printer is not suitable for use in places where children are present.
The GTXpro should always be left with power ON, also when it is not in use.
Power is needed to perform the recirculation of the white ink every day. This process does not consume ink.
If the GTXpro is turned OFF for a long time it might get damaged.
Only pull the plug in an emer-
gency or when requested by a
display message!
IMPORTANT RULE REGARDING THE POWER SUPPLY
1.2
ENVIRONMENTAL PRINTING CONDITIONS
1.3
SOFTWARE
1.1
Always make sure that you use the latest software for your GTXpro BULK DTF R2R.
You find the latest versions here:
https://base.brother.digital/driver-firmware/gtxpro-roll/
Mandatory temperature and air humidity for the best print result:
MAX
30°
MIN
18°
MAX
85%
MIN
35%
Required to keep your warranty for the printer!
Temperature & air humidity are recorded in the log file!
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If temperature is too cold: The printer will switch automatically to “Low-Temp Mode” and reduce the
speed. Raise the temperature of the printer‘s environment.
If temperature is too high: Please turn down the temperature of the surrounding area of the printer.
If humidity is too low: The printer will perform auto-cleaning after every print if the humidity is lower
than 35%.
Please install a humidifier in your workspace.
If humidity is too high: Please try to lower the humidity of the surrounding area of the printer.
Please always keep the temperature and humidity within the required ranges, otherwise the GTXpro
might get damaged.
Menu
Temperature/Humidity Info
Confirm network setting
Language
Version
Temperature/Humidity Info
Temperature [21°C ]
Humidity [55 % ]
Press OK to return
Please check the temperature and air humidity in the menu of the printer:
The liquids should be stored at a temperature between minimum 0°C and maximum 40°C.
MAX
40°
MIN
0°
Please turn over the white ink refill tank every week.
Do not use inks or liquids with a temperature below
18° C or above 30° C .
STORAGE OF THE LIQUIDS
1.4
EXPLANATION OF THE CONTROL PANEL
1.5
The display shows the current loaded print file with
the choosen print format, the approximate ink
consumption for it and the number of prints.
In the bottom left corner the ink level is shown.
The light blue rectangles show the selection of print
direction and the resolution of the print.
Warnings are displayed in yellow in the bottom right
corner. By pressing , the display changes to the
warning display on which the warning and the nee-
ded operations are indicated.
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A: Freely assignable speed dial button
B: Button for platen moving
C: Cancel button
D: Print start
MENU/OK: Opens the menu and confirms actions.
:Cursor buttons for moving through the menus.
E: The LEFT cursor button is the go back button.
F: Power switch ON/OFF
G: USB 3.0 Typ A port to load print files from an
USB-stick.
H: LAN port for connection to your PC.
J: USB Typ B port for connection to your PC.
A
B
C
D
E
F
G
H
J
Please follow all the instructions shown on the
display.
When you see an “Error/Warning” yellow
numberpressthe″″keytoknowwhatyou
have to do to erase the Error/Warning.
Stand by
01
Error/Warning
!
2BEFOREPRINTING
VISUAL INSPECTION
2.1
Regularly check all moving parts of the machine and look for ink leaks.
Check the level in the waste ink tank and, if necessary, empty it.
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Check that the GTXpro Roll and the PowDR are still aligned (a laser is helpful).
The brakes of the castors should always be applied.
A
B
A: 23 cm parallel to the printer; B: 25-30 cm parallel to the printer
ALIGNMENT OF THE MACHINES AND THE FILM
2.2
The film can run skewed through the system for various reasons, even if the machines are precisely
aligned. Missalignment of the film leads to poor print results.
The missalignment can be checked on different positions on the runway of the film.
C
D
E F G H H
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C:
Is the film roll centred and does the film have
equal tension at the edges?
D:
Is the fixing lever closed?
Is the film just aligned with the roll?
E:
Is the film aligned straight on the printing table?
Can the film slide freely through the guide
F:
Does the film have the same tension at the edges?
G:
The film does not touch any part of the powder
unit?
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Fill the powder tank with the necessary amount
of DTF powder.
REFILL THE POWDER AT THE PowDR
2.3
H:
Is the film in the melting unit well aligned?
You have to perform a nozzle test for CMYK and white every morning before starting your production.
Menu
Head Cleaning
Test Print
Ink refill
Add cleaning solution
Print Data Load
Test Print
Nozzle Check CMYK
Nozzle Check White
Test Print
Nozzle Check CMYK
Press OK to Start
Printing...
14x16 inch
0.04 cc
001
1200 dpi
DAILY NOZZLE TEST
2.4
If a new powder type has been filled into the pow-
der unit or the unit has been moved, the powder
sensor must be recalibrated.
Consult the PowDR manual.
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Test Print
Nozzle Check White
Press OK to Start
Printing...
14x16 inch
0.07 cc
002
1200 dpi
When the nozzle checks are done, run the film
out of the back of the printer:
A: Press for transportation of the film.
B: Press the Menu/OK button.
C: Press Cancel when the print comes out of the
back of the printer.
AB
C
Check the nozzle pattern by holding a white
(CMYK print) or black (White print) paper sheet
behind the film.
S/N: M9933069
Firm Ver 1.70.0001
Prints: 770
15/01/2023 10:11:02
This is what the nozzle checks should look like:This is what the nozzle checks should look like:
S/N: M9933069
Firm Ver 1.32.0002 Prints: 971
15/01/2022 10:41:07
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If not all nozzles are firing, start a cleaning of the affected print head to open the clogged nozzles.
Menu
Head Cleaning
Test Print
Ink refill
Add cleaning solution
Print Data Load
Head Cleaning
Normal Cleaning
Powerful Cleaning
Super Cleaning
Flash Firing
Powerful Cleaning
All Colors
All Whites
All Print Heads
Powerful Cleaning
All Colors
Press OK to Start
If still more than 10 nozzles are missing, select super cleaning.
Perform a nozzle test to check the result and perform another cleaning if the nozzles still do not spray.
Loosen both thumbscrews of the roll holder
on the front side and the screws of the plates.
Adjust the plates to the width of the roll. The
numbers under the outer screws are decisive.
3 HOW TO PRINT
4 DURING DAILY WORK
INSERTING A FILM ROLL
4.1
You can find instructions for printing here ( >TIP-Sheets > GTXpro Roll > Print Settings/Software Guide):
https://base.brother.digital/tip-sheets/
Please make sure that the resolution of your printfile is not too low.
A resolution of 300 dpi in relation to the print format is recommended.
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Insert the film roll between the jaws.
A: The rolling direction
Center the roll between the edges of the plates.
Then fasten the thumbscrews.
A
Turn the brake knob right side counter-clockwise
until it stops to release the brake completely.
Repeat the operation on the left side.
A: Insert the film carefully and in an even way.
B: The lock lever must be down to be open.
Align the film straight on the print table. If you
use a 40cm roll, remove the screws from the
side guides and screw them back into the
outer holes.
A
B
Then slightly, with one finger, turn each knob
clockwise till you feel a slight resistance.
It is best to set the buttons identically.
HELPFUL: Attach a spring balance to the film and
slowly unroll it a little. The resistance value should
not exceed 100 gr.
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