Brother GTX-4 Service Manual page 12

5. Regular Maintenance
5-1. Cleaning ................................................................................................................................................................................... 5-1
5-1-1. Cleaning the nozzle guard, wiper, exhaust cap, and suction cap ....................................................................................................... 5-1
5-1-2. Cleaning the internal area of printer ............................................................................................................................................................... 5-11
5-1-3. Cleaning the CR (carriage) plate ...................................................................................................................................................................... 5-15
5-1-4. Cleaning of head nozzle ....................................................................................................................................................................................... 5-17
5-1-5. Cleaning the surrounding area of nozzle surface .................................................................................................................................... 5-19
5-1-6. Cleaning of Exhaust Opening ............................................................................................................................................................................ 5-22
5-1-7. Cleaning of encoder strip ...................................................................................................................................................................................... 5-25
6. Disassembly / Replacement / Adjustment
6-1. Parts exchange ........................................................................................................................................................................ 6-2
6-1-1. Necessary tools ............................................................................................................................................................................................................. 6-2
6-1-2. Disassembly / Assembly of covers ...................................................................................................................................................................... 6-3
6-1-3. Disassembly / Assembly of platen ................................................................................................................................................................... 6-10
6-1-4. Replacement of platen and deceleration belts ......................................................................................................................................... 6-12
6-1-5. Tension adjustment for platen and deceleration belts ......................................................................................................................... 6-16
6-1-6. Replacement of platen motor ............................................................................................................................................................................ 6-18
6-1-7. Replacement of platen pulley unit .................................................................................................................................................................. 6-20
6-1-8. Replacement of platen arm ................................................................................................................................................................................. 6-22
6-1-9. Replacement of platen origin sensor ............................................................................................................................................................. 6-26
6-1-10. Print position adjust .............................................................................................................................................................................................. 6-27
6-1-11. Level setting for top surface of platen ......................................................................................................................................................... 6-28
6-1-12. Replacement of carriage belt ........................................................................................................................................................................... 6-30
6-1-13. Carriage belt tension adjustment .................................................................................................................................................................. 6-36
6-1-14. Replacement of carriage motor ...................................................................................................................................................................... 6-38
6-1-15. Replacement of ball bushing ........................................................................................................................................................................... 6-42
6-1-16. Height adjustment of carriage ........................................................................................................................................................................ 6-47
6-1-17. Replacement of encoder strip ......................................................................................................................................................................... 6-49
6-1-18. Replacement of maintenance unit ............................................................................................................................................................... 6-51
6-1-19. Replacing the wiper cleaner ............................................................................................................................................................................. 6-56
6-1-20. Exchanging Wiper Blade Assembly .............................................................................................................................................................. 6-58
6-1-21. Replacement of pump assy .............................................................................................................................................................................. 6-63
6-1-22. Replacement of pump sensors ....................................................................................................................................................................... 6-67
6-1-23. Replacement of the switching solenoid..................................................................................................................................................... 6-68
6-1-24. Replacement of the flushing case ................................................................................................................................................................. 6-69
6-1-25. Cap rubber replacement .................................................................................................................................................................................... 6-71
6-1-26. Replacement of cleaning solution tank ...................................................................................................................................................... 6-74
6-1-27. Replacement of filters for print head on color side ............................................................................................................................... 6-76
6-1-28. Replacement of filters of print head on white side ............................................................................................................................... 6-78
6-1-29. Replacement of tubes, sub tanks, and needles on color side ......................................................................................................... 6-81
6-1-30. Replacement of tube, circulation pump, and needles on white side .......................................................................................... 6-93
6-1-31. Replacement of print head ............................................................................................................................................................................... 6-98
6-1-32. Replacement of waste ink-related components ................................................................................................................................ 6-119
6-1-33. Replacement of felt within cartridge base ............................................................................................................................................. 6-121
6-1-34. Disassembly / Assembly of ink cartridge ................................................................................................................................................ 6-123
Table of contents
5-1
6-1