Brother GTX-4 Service Manual page 13

6-2. Replacement of electric parts .............................................................................................................................................. 6-130
6-2-1. Cautions for adjustment .................................................................................................................................................................................... 6-130
6-2-2. Layout positions of main parts ....................................................................................................................................................................... 6-131
6-2-3. Connector position and indicator lamp ..................................................................................................................................................... 6-137
6-2-4. Replacement of main circuit board .............................................................................................................................................................. 6-144
6-2-4-1. How to connect or disconnect FFC connector .................................................................................................................................. 6-147
6-2-4-2. How to connect or disconnect new connector JST PSI type ...................................................................................................... 6-148
6-2-5. Replacement of lithium battery ..................................................................................................................................................................... 6-149
6-2-6. Replacement of power circuit board plate assy ..................................................................................................................................... 6-150
6-2-7. Replacement of power unit ............................................................................................................................................................................. 6-152
6-2-8. Replacement of power circuit board ........................................................................................................................................................... 6-154
6-2-9. Replacement of AC inlet .................................................................................................................................................................................... 6-156
6-2-10. Replacement of panel main unit assy ...................................................................................................................................................... 6-158
6-2-11. Preparation for replacement of electric components inside panel unit ................................................................................. 6-164
6-2-12. Replacement of print switch ......................................................................................................................................................................... 6-167
6-2-13. Replacement of Power switch ...................................................................................................................................................................... 6-171
6-2-14. Replacement of panel circuit board .......................................................................................................................................................... 6-172
6-2-15. Replacement of panel control circuit board ......................................................................................................................................... 6-173
6-2-16. Replacement of LCD panel ............................................................................................................................................................................ 6-176
6-2-17. Replacement of speaker .................................................................................................................................................................................. 6-177
6-2-18. Replacement of Cover switch assy ............................................................................................................................................................. 6-178
6-2-19. Replacement of carriage circuit board ..................................................................................................................................................... 6-180
6-2-20. Replacement of encoder circuit board .................................................................................................................................................... 6-188
6-2-21. Replacement of obstacle sensor ................................................................................................................................................................. 6-190
6-2-22. Replacement of platen origin sensor ........................................................................................................................................................ 6-192
6-2-23. Replacement of maintenance circuit board.......................................................................................................................................... 6-193
6-2-24. Preparation for replacement of electric components inside maintenance unit ................................................................ 6-194
6-2-25. Replacement of maintenance motor ....................................................................................................................................................... 6-195
6-2-26. Replacement of maintenance sensor circuit board .......................................................................................................................... 6-199
6-2-27. Replacement of maintenance solenoid valve assy ............................................................................................................................ 6-205
6-2-28. Replacement of cleaning solution tank sensor.................................................................................................................................... 6-211
6-2-29. Replacement of ink supply circuit board ................................................................................................................................................ 6-212
6-2-30. Replacement of remaining ink level detection circuit board ....................................................................................................... 6-213
6-2-31. Replacement of tank sensor .......................................................................................................................................................................... 6-218
6-2-32. Replacement of sub tank solenoid ............................................................................................................................................................ 6-219
6-2-33. Replacement of circulation pump motor ............................................................................................................................................... 6-220
6-2-34. Replacement of mist exhaust fan motor ................................................................................................................................................ 6-222
7. Transportation / Maintenance in long-term storage
7-1. Transportation of GTX-4 .......................................................................................................................................................... 7-1
7-2. When Not Using for a Long Period of Time ............................................................................................................................ 7-2
7-2-1. When Not Using for a Long Period of Time: within 2 weeks ................................................................................................................. 7-2
7-2-2. When Not Using for a Long Period of Time: more than 2 weeks ........................................................................................................ 7-3
7-2-3. When Not Using for a Long Period of Time: within 2 weeks with white ink pause mode ..................................................... 7-3
7-2-4. When Not Using for a Long Period of Time: more than 2 weeks with white ink pause mode ............................................ 7-4
Table of contents
7-1