Brother GTX-4 Garment Printer Service Manual


Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual Brother GTX-4 Garment Printer contain clear instructions and procedures on how to fix the problems occurring in your equipment.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

1) BEFORE USING YOUR PRINTER FOR THE FIRST TIME
1-1. Be sure to read the following notes before using the printer
1-2. Components included with printer
1-3. Other items you must make available for use
1-4. Name and function of each component
1-4-1. Front part
1-4-2. Right side view
1-4-3. Left side view/Rear side view
1-4-4. Inner-side view of front cover
1-4-5. Bottom view of platen
1-4-6. Operation panel
1-5. Menu list
1-6. Technical description of the product
1-6-1. Details of the print head
1-6-2. About white ink circulation functionality
1-6-3. About white ink refilling
1-6-4. Ink channel block diagram
1-6-5. About Closure Cleaning
1-6-6. Characteristic of Ink cartridges
1-6-7. About Head maintenance mechanism

2) INSTALLATION AND PREPARATION
2-1. Installation of printer
2-2. Levelness adjustment for GTX-4
2-3. Power supply of printer
2-3-1. Turning on the power
2-3-2. Turning off the power
2-3-3. When there is no prospect of electric power recovery for a while due to power outage
2-4. Connection between Printer and PC
2-4-1. Installing printer driver onto your PC
2-4-2. Connect with USB2.0 cable
2-4-3. When connecting via LAN: Printer static IP address setting
2-4-4. When connecting via LAN: Adding a printer to PC
2-5. Adjustment
2-5-1. CR (Carriage) speed adjustment
2-5-2. V-rating setting
2-5-3. Firing adjustment
2-5-4. Platen feed adjustment
2-5-5. White/color alignment
2-5-6. Setting of the time displayed on the nozzle check pattern

3) WHAT TO DO
3-1. Menu
3-1-1. Relationship between the user menu and advanced menu
3-1-2. Supplement to the description of user menu items
3-1-2-1. Maintenance Part Clean/Replace
3-1-2-2. White Ink Pause Mode
3-1-3. How to display Advanced menu
3-1-4. List of Advanced menu items
3-1-5. Description of Advanced menu items
3-1-5-1. Firmware update
3-1-5-2. Cap cleaning
3-1-5-3. Exhaust cleaning
3-1-5-4. White tube cleaning
3-1-5-5. Color tube cleaning
3-1-5-6. Exchange filter
3-1-5-7. Setting special work mode
3-1-5-8. Output check
3-1-5-9. Input check
3-1-5-10. Print position adjust
3-1-5-11. Solid print
3-1-5-12. Log level
3-1-5-13. Set info restore
3-1-5-14. Cap pump check
3-2. Firmware update
3-2-1. Difference between firmware updates conducted using “Firmware Update Tool” and USB memory
3-2-2. Procedures for firmware updates conducted using an USB memory
3-2-3. Procedures for when update is interrupted
3-2-3-1. Procedures for when update is interrupted
3-2-3-2. Resuming update for firmware other than the main program
3-2-3-3. Update using the boot system program
3-3. GTX-4 Service Tool
3-3-1. Points to be noted in using the GTX-4 Service Tool
3-3-2. Demonstration mode
3-4. Acquisition of logs and the confirmation of their contents
3-4-1. Points to be noted concerning logs
3-4-2. Acquisition of log file
3-4-3. Checking of logs by GTX-4 Service Tool

4) IMPROVMENT OF PRINT QUALITY
4-1. Solutions to print quality problems
4-1-1. Check flow when ink ejection failure of head occurs
4-1-2. White head cleaning
4-2. How to solve ink pouch wind-up failure
4-2-1. How to solve ink pouch wind-up failure
4-2-2. What to do if an error code is displayed

5) REGULAR MAINTENANCE
5-1. Cleaning
5-1-1. Cleaning the nozzle guard, wiper, exhaust cap, and suction cap
5-1-2. Cleaning the internal area of printer
5-1-3. Cleaning the CR (carriage) plate
5-1-4. Cleaning of head nozzle
5-1-5. Cleaning the surrounding area of nozzle surface
5-1-6. Cleaning of Exhaust Opening
5-1-7. Cleaning of encoder strip

6) DISASSEMBLY / REPLACEMENT / ADJUSTMENT
6-1. Parts exchange
6-1-1. Necessary tools
6-1-2. Disassembly / Assembly of covers
6-1-3. Disassembly / Assembly of platen
6-1-4. Replacement of platen and deceleration belts
6-1-5. Tension adjustment for platen and deceleration belts
6-1-6. Replacement of platen motor
6-1-7. Replacement of platen pulley unit
6-1-8. Replacement of platen arm
6-1-9. Replacement of platen origin sensor
6-1-10. Print position adjust
6-1-11. Level setting for top surface of platen
6-1-12. Replacement of carriage belt
6-1-13. Carriage belt tension adjustment
6-1-14. Replacement of carriage motor
6-1-15. Replacement of ball bushing
6-1-16. Height adjustment of carriage
6-1-17. Replacement of encoder strip
6-1-18. Replacement of maintenance unit
6-1-19. Replacing the wiper cleaner
6-1-20. Exchanging Wiper Blade Assembly
6-1-21. Replacement of pump assy
6-1-22. Replacement of pump sensors
6-1-23. Replacement of the switching solenoid
6-1-24. Replacement of the flushing case
6-1-25. Cap rubber replacement
6-1-26. Replacement of cleaning solution tank
6-1-27. Replacement of filters for print head on color side
6-1-28. Replacement of filters of print head on white side
6-1-29. Replacement of tubes, sub tanks, and needles on color side
6-1-30. Replacement of tube, circulation pump, and needles on white side
6-1-31. Replacement of print head
6-1-32. Replacement of waste ink-related components
6-1-33. Replacement of felt within cartridge base
6-1-34. Disassembly / Assembly of ink cartridge
6-2. Replacement of electric parts
6-2-1. Cautions for adjustment
6-2-2. Layout positions of main parts
6-2-3. Connector position and indicator lamp
6-2-4. Replacement of main circuit board
6-2-4-1. How to connect or disconnect FFC connector
6-2-4-2. How to connect or disconnect new connector JST PSI type
6-2-5. Replacement of lithium battery
6-2-6. Replacement of power circuit board plate assy
6-2-7. Replacement of power unit
6-2-8. Replacement of power circuit board
6-2-9. Replacement of AC inlet
6-2-10. Replacement of panel main unit assy
6-2-11. Preparation for replacement of electric components inside panel unit
6-2-12. Replacement of print switch
6-2-13. Replacement of Power switch
6-2-14. Replacement of panel circuit board
6-2-15. Replacement of panel control circuit board
6-2-16. Replacement of LCD panel
6-2-17. Replacement of speaker
6-2-18. Replacement of Cover switch assy
6-2-19. Replacement of carriage circuit board
6-2-20. Replacement of encoder circuit board
6-2-21. Replacement of obstacle sensor
6-2-22. Replacement of platen origin sensor
6-2-23. Replacement of maintenance circuit board
6-2-24. Preparation for replacement of electric components inside maintenance unit
6-2-25. Replacement of maintenance motor
6-2-26. Replacement of maintenance sensor circuit board
6-2-27. Replacement of maintenance solenoid valve assy
6-2-28. Replacement of cleaning solution tank sensor
6-2-29. Replacement of ink supply circuit board
6-2-30. Replacement of remaining ink level detection circuit board
6-2-31. Replacement of tank sensor
6-2-32. Replacement of sub tank solenoid
6-2-33. Replacement of circulation pump motor
6-2-34. Replacement of mist exhaust fan motor

7) TRANSPORTATION / MAINTENANCE IN LONG-TERM STORAGE
7-1. Transportation of GTX-4
7-2. When Not Using for a Long Period of Time
7-2-1. When Not Using for a Long Period of Time: within 2 weeks
7-2-2. When Not Using for a Long Period of Time: more than 2 weeks
7-2-3. When Not Using for a Long Period of Time: within 2 weeks with white ink pause mode
7-2-4. When Not Using for a Long Period of Time: more than 2 weeks with white ink pause mode

8) ERROR CODE LIST
8-1. Display on screen
8-2. Error message

9) BLOCK DIAGRAM, CONTROL CIRCUITRY

10) SPECIFICATIONS
10-1. Apparatus
10-2. Software
10-3. Ink, maintenance solution, cleaning solution, pretreatment
10-3-1. Ink
10-3-2. Maintenance solution
10-3-3. Cleaning solution
10-3-4. Pretreatment
10-4. About consumable supplies, optional items and replacement parts

Brother GTX4 DTG DIRECT TO GARMENT