Brother GTX pro Bulk User manual

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ENVIRONMENTAL CONDITIONS
Ideal Operating Temperature & Humidity
Temperature & Humidity are recorded in the Log le
PRE-TREATMENT RATIO & QUANTITY
Mixing Pre-Treatment Solution
A ratio of 1:1 (1 part Brother pretreat to 1 part distilled water) is recommended.
Go to the menu: Maintenance Temperature/Humidity Info
> If temperature is too cold, printer will switch automatically to Low-Temp Mode and reduce output.
> If humidity too low, please install a HUMIDIFIER.
> Min & Max Temperature & Humidity ranges are ideal and we recommend running your GTXpro at a higher
number than minimum to reduce additional cleanings.
> This mixing ratio might vary due to the type of garment which is used. See video on garment proling.
1 Part
Brother
Pretreat
Distilled
Water
1:1 Mixed
Pretreat
Solution
1 Part

3
> Proper pretreat volume for a garment should be determined by a garment’s absorbency rate in
conjunction with using the Highlight-Mask Check Pattern to help determine driver ink settings.
> Don’t forget that you have to dene a surface of 14 X 16 inches [35 X 40 cm] with your pretreatment ma-
chine to weight the amount of spray, with a scale, after applying the pretreat on a T-shirt.
> For example, on a Schulze pretreat machine, you should enter a length of 13 inches and the full width
of 4 nozzles will be 17 inches. And then, calibrate the pretreat machine to spray 30 g on the garment.
1:1 Mixed
Pretreat
Solution
High Absorbency
Fabric Absorbency Pretreat Amount
40-50 Grams
Medium Absorbency 30-39 Grams
Low Absorbency 15-29 Grams
Thick materials or open weaves like hoodies
Regular Cotton Tees 4.0 to 6.0 oz
Thin Material + Blend or Specialty Items
Determining Pretreat Quantity
Pretreat solution quantity will vary based on thickness of the garment. Use the chart below as a guideline.
HEAT PRESS SETTINGS FOR PRETREAT CURING
1:1 Mixed
Pretreat
Solution 35
Seconds
75-80
PSI
5-5.5
Bars
360°F
182°C
Conveyor Dryer Settings for Pretreat & Ink Curing
> Conveyor Dryer recommended for high volume printers. See heat press settings below as an alternative.
> Check the REAL temperature with a probe or with strips to ensure proper washability of the print.
Conveyor Dryer Pretreat Curing Conveyor Dryer Ink Curing
1:45
Minutes
3:30
Minutes
320°F
160°C
320°F
160°C
> Placing silicone based parchment paper over the pretreated garment while heat pressing can mitigate dried
pretreat buildup on the non-stick covers. Clean the non-stick covers on the heat press with a scrap t-shirt or
cloth after every 5 t-shirts if not using silicone based parchment paper.

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WHITE INK AGITATION & SEDIMENTATION
NEVER POWER OFF THE PRINTER
VERY IMPORTANT
The Brother GTXpro B should ALWAYS
be left with the Power ON. NEVER shut
OFF the printer except if requested by the
display message only. Power is needed to
perform the needed circulation of the white
ink and auto maintenance every day.
In the event that power goes out or your printer has an error during printing, push the Carriage
back all the way to the left to dock it and use the Fixing Pin to lock it in place (see images above).
Before relling the bulk white ink tank, you have to agitate the white ink container. When white
ink is left idle for a period of time, ink separation occurs, where sediments from the ink start to
settle at the bottom of the container. Sediments must be removed through proper agitation of
the container BEFORE lling the White Ink Tank, otherwise, unagitated white ink could create
an inconsistant ow of ink through the lines causing dull prints and potential damage to the
ink delivery system.
HEAT PRESS SETTINGS FOR INK CURING
> Check the REAL temperature of the heat press with a probe or with strips to be sure that your garments
are properly cured for washability.
HEAT
PRESS INK
CURING 35
Seconds
10-20
PSI
0.7-1.4
Bars
356°F
180°C

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CHECKING WHITE INK FOR SEDIMENTATION
Use an agitation machine to properly break up sediment. Dierent types of agitation
machines vary in the time it takes them to properly agitate white ink. A gyroscopic mixer takes
about 5 minutes to agitate, while a vibrating plate can take up to 2 hours.
After agitation, let the white ink settle for 10 minutes. This gives the white ink time to dissipate
any foam that may have appeared during the agitation process.
Turn the container upside down and use a ashlight to view the sediment. Move the
container around gently to clear any foam that has appeared.
A ashlight will review the amount of sediment in the container. Look for dark areas of
more solid material. If ink has no sediment, it is OK to rell the tank. An example is below:
HANDLING INK BEFORE PRINTING
When handling bulk ink containers, you will need specialized tools to help you in your daily
workow. 20 Kg [18 L] bulk ink containers are heavy and cumbersome, which necessitates
the use of both a hydraulic scissor lift and an agitation device. These specialized tools will
help to professionally move and agitate the inks before lling the tanks on your printer.
Hydraulic
Scissor Lift
Agitation
Device
> The shadows of bubbles may be mistaken for sediment after the white ink agitation, so wait until bubbles
disappear before checking the container for sediment.
> To distinguish between bubbles and sediment, lightly shake the replenishment ink container. The shadows
of bubbles move but the shadows of sediment do not move.
Repeat Agitation Steps If Any Sediment Remains

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Adjustable Hydraulic Scissor Lift With Castors
Agitation Devices for White Ink Containers
Two Suggestions for Agitation Devices
This tool will help to move the bulk ink containers into
position to ll the ink tanks cleanly and easily.
To use the adjustable hydraulic scissor lift to help rell an
ink tank, adjust the lift to the appropriate height and guide
the faucet on the ink container directly over the opening
of the ink tank before opening the spout (see photo to the
left). This will keep the ink from spilling on the oor.
We suggest two dierent types of machines to agitate the white ink containers before lling the ink
tank on the printer. These tools will help you to mix the ink homogeneously. Remember that a bulk
ink container of 18 liters is quite heavy and weighs around 44 pounds. Once the non-agitated ink
goes inside the tubes of the printer, it is not possible to remove it and shake it again.
If white ink is not agitated thoroughly, white prints will look faded and gray.
An agitation device must be used, such as a Santint G48 Gyroscopic Paint Mixer for high ink
usage or a tness vibration plate for low to intermediate ink usage. It is best to pick the agitation
device based on how often you will use an 18L container of white ink. You must have a device
available to use even if neither of these examples are purchased.
> White ink needs agitation EVERY TIME before relling the tank.
> White ink containers MUST BE FLIPPED 180° in your stock room once a week.
> Inspect white ink containers for sediment periodically during agitation. Test, as time listed is only recommended.
Santint G48
Gyroscopic
Paint Mixer
Insert the white ink
container inside the
two doors and let
the mixer spin for
5 minutes.
BLUEFIN
Fitness 3D
Vibration
Plate
Just drop the white
ink container on
top of it and let the
vibrating plate run
for up to 2 hours.

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REFILLING PROCESS WITH IC STICK
Because ink is delivered in bulk, you will have to follow the procedure step-by-step to
activate the relling with the IC Stick.
The printer will detect when the ink is lled in any of the tanks
• If the IC Stick is NOT in place, the printer will prompt you for it.
• Even when printer is OFF, the rell will be detected by the GTXpro B.
• The whole process is controlled by the display MENU.
• If the IC Stick is broken or lost, contact support at BrotherDTG.com/Support for a new one.
Be aware of the delay in the printer recognizing the IC Stick before determining that it is broken.
• If the IC Stick is for the wrong color, the printer will detect and trigger an alert.
• Calibration of the ink tanks is necessary once a month.
• In the case of an operator error, the printer will display an alert to protect the GTXpro Bulk.
• Keeping a spare set of ink will help you to not be stopped during production.
Here is an example to show the whole procedure to rell Yellow ink:
REFILLING INK FLOW USING INK REFILL MENU

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REFILLING BULK INK TANKS
REFILLING CLEANING SOLUTION
> CALIBRATION of tank sensor is necessary ONCE A MONTH
> The Internal Tank has a sensor that detects when
empty, however, the Bottom Tank doesn’t have a sen-
sor to detect when empty. It must be visually inspected
and relled when running low to avoid issues.
Relling of the Cleaning Solution is done from the bottom tank. The GTXpro B has an
internal tank which draws from the bottom tank and once empty, it will prompt an error.
When “C.S. Empty” error
shows up on the display,
ll up the tank.
Then select “Filling
solution tank” in the
Menu.

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> CALIBRATION is necessary to keep the ACCURACY of the pressure sensor
INK TANKS CALIBRATION
By performing the calibration, the actual remaining ink amount is matched with the remaining
ink amount detected by the printer.
If calibration is not performed, “Empty error” may be displayed even though a large amount of
ink remains in the tank.
• Warning “Tank correction time” appears once every 30 days
• If you do not perform ink correction for two days, an error will occur and you will not be able
to print
• To solve this error 1010 & 1011, you need to perform a CALIBRATION
ORDER to follow
for CALIBRATION:
Regarding White ink, the number
is dicult to check. If you use a
ashlight, it will be easier.
READING METHOD

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BEST PRACTICE FOR PRINTING - A MUST!
> Always keep the closest distance between the printheads and the surface of the garment.
It is very important for the long life of your printer.
Good
Gap
Excessive
Gap
INPUTTING METHOD
CALIBRATION FAQ
• Select the number on the tank where the ink level makes contact
• If the liquid is on the border, please select the larger number
Question: Is it necessary to perform calibration for all colors once a month even though the
indicated remaining ink on the display and on the tanks are not dierent?
Answer: YES. Even if there is no shift at present, all colors need to have calibration
performed for them once a month. This will prevent a shift from occurring. The reason for
performing all colors at the same time is to prevent the number of warnings from increasing.
Question: What if the printer operator inputs the wrong number?
Answer: Enter the menu again and select “Remaining sensor correction”. Then re-enter the
correct values for all colors.

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ADJUSTING THE HEIGHT OF THE PLATEN
“PLATEN TOO LOW” SENSORS
To ensure optimal print quality when a thicker textile is used, you need to adjust the platen’s
height in relation to the thickness of the textile.
To adjust the platen height, loosen the Platen Fixing
Lever (1) and move the Platen Height Adjustment
Lever (2) to a lower position.
Re-tighten the Platen Fixing Lever (1) if you are happy
with the new height. Smooth out all wrinkles on fabric
to be printed on. To check if new textile is not detected
by the sensor, push the double arrow platen feed
button and repeat the process if needed. If you need
the platen to go down further than the lowest setting,
remove 1 or 2 collars, loosen the knob (3) and push
down the platen bearing by 1 or 2 steps. Reattach
everything and tighten the Platen Fixing Lever (1).
> Don’t forget to adjust the platen lever to position A after printing on thicker material.
> Always tighten knob (3) after changing position. Do not overtighten screw as it can become stripped.
> If you have to print above hem and seams, go for UNI-directional printing to keep quality.
Normal Detecting
Top Left: Obstacle Sensor
Bottom Left: EDP Sensor
Excessive Dropping
Error Code: 2072
If error occurs, press okay. Prior to next print
raise platen to optimal platen height.
DAILY MAINTENANCE: Nozzle Check
In order to check the status of the nozzles in the print heads, a Nozzle Check must be
performed for White and CMYK. This should be done every day to ensure optimal performance.
How to perform a CMYK Nozzle Check?
Always place the Platen at level A
Test PrintMenu Nozzle Check CMYK to print a color Nozzle Check
pattern on a white paper sheet

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How to perform a WHITE Nozzle Check?
Always place the Platen at level A
Test PrintMenu Nozzle Check White
to print a white Nozzle Check
pattern on a black paper sheet
or transparent plastic sheet
> Inspect the printed Nozzle Check patterns for missing nozzle lines indicating a non-ring nozzle. If not all
nozzles are ring, start a Head Cleaning to open the closed nozzles.
PRINT HEAD CLEANING
Print Head Cleanings are needed if nozzles are missing on a Nozzle Check. They will help
clear the print head nozzles if they are blocked. Missing Nozzles are dened by a test print
pattern missing horizontal pins (that represent each of the nozzles of the print head) being
closed up with debris and therefore not showing up. When nozzles/pins are missing you will
want to perform one of the cleanings indicated below.
How do I perform a Print Head Cleaning?
Head Cleaning
Head Cleaning
Menu
Menu
Powerful Cleaning
Super Cleaning
select Print
Heads
If only a few nozzles are missing (See g. 1), do a Powerful Cleaning and select applicable print heads.
If more than 10 nozzles are missing (See g. 2), do a Super Cleaning and select applicable print heads.
select Print
Heads

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DEFLECTION & FLASH FIRING
WEEKLY MAINTENANCE
Deection appears as odd bunched up or
gapped lines where the horizontal bars will
appear blurred and staggered. When this is
present you will want to perform 2-3 Flash
Fire Cleanings.
After performing a Flash Fire Cleaning 2-3
times, perform another Nozzle Check to test
the results.
fig. 1 fig. 2
Only a few nozzles missing:
Perform a Powerful Cleaning
More than 10 nozzles missing:
Perform a Super Cleaning
> Perform a new Nozzle Check after Head Cleaning to check the result and redo the cleaning up to 3 times.
Ensure all other maintenance has been performed such as cleaning the cap and wiper blade and see that the
wiper cassette is fresh and still has moisture. If there is no improvement by the 4th time, please contact support.
> If this does not resolve the matter, please visit BrotherDTG.com/Support to contact Brother Support.
Head CleaningMenu
Menu
Flash Cleaning select Print
Heads
> Always use this menu to perform cleanings or replace parts:
To achieve successful weekly maintenance you will have to do the following actions:
• Suction Cap Cleaning
• Exhaust Cap Cleaning
• Wiper Cleaning
• Nozzle Guard Cleaning
• Visual Inspection
Maintenance Maintenance Part Clean/Replace
WARNING
You will have 15 minutes to complete
any pending items for the maintenance
process. Prepare to complete all items
within the allotted time.
15
Min

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WEEKLY MAINTENANCE: Suction Cap Cleaning
WEEKLY MAINTENANCE: Exhaust Cap & Lances
WEEKLY MAINTENANCE: Wiper Cleaning
The black silicone lips of the two suction caps should be
cleaned with the Cleaning Stick T dipped in Cleaning Solution.
The four extrusion lances and the 2 holes [see in the blue circle] are located adjacent to the suction
caps at the Exhaust position. They need to be cleaned and free of dried ink. Always clean the rst
hole at the front and go backward while cleaning the lances, carefully nishing with the last hole.
Both white plastic wipers [White &
CMYK] should be cleaned on both
sides and tops with the Cleaning
Stick T dipped in Cleaning Solution.
Use the tip of the Cleaning Stick T
to clean under the teeth of the wiper
holder and remove the dried ink.
Be sure to use the Cleaning Stick T
separately for white ink and color ink.
It is necessary to remove the build-up of excess ink located on
the edges of the caps. It will prevent air leakage and maintain
optimal suction of the pumps. Be careful not to touch the foam.
Keep it at.
Cleaning Stick T
Exhaust Cleaning
Cleaning top of wiper
If a more thorough cleaning is required, refer to removal of wiper in the instruction manual for a detailed cleaning.
Cleaning under the
teeth on side of wiper
Direction to clean Four extrusion lances
Suction Cap Cleaning

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WEEKLY MAINTENANCE: Nozzle Guard Cleaning
Wipe clean the 2 nozzle guards (1) & (2) with the Clean Stick R dipped in Cleaning Solution.
Make sure to clean and remove any dried ink in the nozzle guard port holes. Clean the
metallic parts (4) & (5) of the printhead in the same way.
A very important place to clean is area (6) between the nozzle guard and nozzle plate.
Be sure NOT to touch the nozzle surface (3) at all.
> Manually move the carriage to such a position that you can perform the cleaning with ease.
> DO NOT empty the remaining Cleaning
Solution from the Cleaning Cup into the
Maintenance station. Empty it into the
Waste Tank below the printer.
MAINTENANCE PARTS EXCHANGE
Menu
> Always use this menu to perform cleanings or replace parts:
In case of Warning/Error messages for parts replace, please follow the following procedures:
• Wiper Cleaner Replacement
• Flushing Foam Replacement
• Fan Filter Replacement
Maintenance Maintenance Part Clean/Replace
WARNING
You will have 15 minutes to complete
any pending items for the maintenance
process. Prepare to complete all items
within the allotted time.
15
Min

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Wiper Cleaner Replacement
Flushing Foam Replacement
Fan Filter Replacement
Simply remove the old Wiper Cleaner by lifting it up. Replace with a new one.
Lift up the Flushing Foam Receivers
and place them on paper towels to
soak up the dripping ink. Remove
the two Flushing Foam pieces and
wash the receivers to clean o
excess ink build up. Install new
Foam and put the receivers back in
their original location.
Remove the 2 lter holders from the
rear top of the machine and remove
the dirty lters. Mount a new Fan
Filter in each of the black frames.
The Coarse mesh surface goes in
the direction of the inner side of the
printer and the ne mesh surface
goes in the direction of the outside
of the printer.
> When removing and replacing of the Flushing Foam, DO NOT forget to wash and clean the receivers
to avoid ink build up. It is very critical to avoid clogging the ink path to the waste tank.

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ADDITIONAL WEEKLY MAINTENANCE
INTERNAL CLEANING OF THE PRINTER
Visual inspection is important to keep your printer
up and running. Inspect all the moving parts of the
machine and also check for leakage of ink.
Also, please follow all the instructions which may
appear on the display of the printer.
When you see a yellow number, push the right
arrow key to know what you have to do to clear the
Error/Warning message.
• Enter Maintenance mode on the machine display panel to move
the carriage to the right and have access to all components needing
inspection and cleaning.
• With the Clean Stick R dipped in Cleaning Solution, wipe away
the stains on the 4 Carriage Rollers
[There is 1 more Roller hidden just below the Roller 1]
• Move the carriage from side to side to wipe all around the 4 rollers
completely.
• Clean the Carriage Guide Shaft and the 3 sides [upper, front, and
lower] of the Roller Guide with a lint free cloth moistened with a
small amount of Isopropyl Alcohol [95°]
• Do not use alcohol on parts other than the carriage guide shaft and
the roller guide.
• After cleaning the Carriage Guide Shaft with alcohol, immediately
apply a proper amount of Molykote 30 Grease onto the Carriage
Guide Shaft only [never on the Roller Guide].
• Remove 3 screws to take out the encoder metal cover. With your
lint free cloth moistened with Alcohol, carefully clean both sides
of the Encoder Strip.
• Perform a CR Speed Adjustment.
Menu > Printer Setting > CR Speed Adjustment > OK
• Print out a Nozzle Check pattern and do a Nozzle Cleaning if
necessary.
Menu
> Always use this menu to perform cleanings or replace parts:
Maintenance Maintenance Part Clean/Replace
15
Min
If the inside of your printer is covered with INK MIST, perform a thorough CLEANING.

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The printer can be restored to operational status after the storage
period by performing the following maintenance tasks before storage:
• Please empty the Waste ink Tank.
• Check the amount of Cleaning Solution in the cleaning liquid
tank and rell the tank if its amount is below the proper level.
• Thoroughly clean the Nozzle Guards, Wipers, Suction Caps and
Exhaust Caps.
• Print out a Nozzle Check pattern for White and CMYK.
• If a non-ring nozzle is found: Perform Head Cleanings, run the
Nozzle Check prints and verify the result again. Continue same
process until the blocked nozzles are ALL OPEN again.
• Leave printer powered on to continue White Ink Circulations.
When Not Using Printer for a Long Period of Time
INK & SOLUTIONS STORAGE
HOW TO EXTRACT A LOG FILE FROM THE PRINTER
> When the printer will not be used for a prolonged period of time, follow appropriate procedures before
storing the printer according to the expected storage period and storage conditions. When in doubt, create
a ticket at BrotherDTG.com/Support for support.
> Be carefull NOT to go below 32°F.
> Please ROTATE the White ink pouch boxes every week.
WARNING: DO NOT turn the printer OFF, otherwise, the printer may become DAMAGED.
Every 2 Weeks of Inactivity Checklist
Menu Maintenance Log copy to USB
Insert a USB stick in the front slot of the printer to be able to copy the log le and follow these steps:
CMYK & White Inks, Cleaning Solution, Maintenance Solution & Pretreatment
Solution should be stored at a temperature range between a minimum of
32°F and a maximum of 104°F.
Cleaning
Solution
Rell

19
INK & CONSUMABLES
MAINTENANCE TUTORIAL VIDEOS
BROTHER ACADEMY & SUPPORT
Product Description Product Code Price/Unit
Cyan Ink 1.8L Bulk bottle BGCX40C002K0152
Magenta Ink 1.8L Bulk bottle BGCX40M002K0152
Yellow Ink 1.8L Bulk bottle BGCX40Y002K0152
Black Ink 1.8L Bulk bottle BGCX40K002K0152
White Ink 1.8L Bulk bottle BGCX40W002K0052
Cyan Ink 18L Bulk Container BGCX40C020K0132
Magenta Ink 18L Bulk Container BGCX40M020K0132
Yellow Ink 18L Bulk Container BGCX40Y020K0132
Black Ink 18L Bulk Container BGCX40K020K0132
White Ink 18L Bulk Container BGCX40W020K0032
Ink Containers
Wiper Cleaner (2/pack) SB6673001
Flushing Foam (2/pack) SC0935001
Fan Filter (2/pack) SB7007001
Standard Ruby-Stick Cleaning Swab (50/pack) 4Y1-9096
Clean Stick T (50/pack) SC0032001
Full Maintenance Kit GTXpro & GTXpro B SC0934001
Black Paper (4 pieces) GTSKIN811B
Other Parts
Cleaning Solution 2 Kg BGCX40E002K0052
Cleaning Solution 5 L BGCX40E005K0042
Pretreatment 5 Kg Jug BGCX40P005K0044
Pretreatment 20 Kg Jug BGCX40P020K0034
Pretreatment 200 Kg Jug (2 pack) BGCX40PS2HK0032
Liquids
All the maintenance procedures described in this Quick User
Guide MUST be performed on a daily, weekly, or prompted
basis in order to keep your printer performing properly.
> Please carefully read the Instruction Manual for each specic maintenance
procedure for step by step instructions.
> GTXpro Maintenance Videos URL for readers of printed user guide:
vimeo.com/showcase/6912349
Click to Access
GTXpro Maintenance Videos
Get access to Brother Academy, an online resource for training new employees, learning new
application techniques, and maintaining DTG equipment.
If you still need technical support with your GTXpro B, submit a support ticket at
BrotherDTG.com/Support