ii
6-12. Continuous stitching ......................................................................................................................59
(1) New creation of the continuous stitching ........................................................................................................ 60
(2) Continuous stitching edit ................................................................................................................................
60
(3) Copy and deletion of the continuous stitching ................................................................................................
62
6-13. Cycle stitching .................................................................................................................................63
(1) New creation of the cycle stitching ................................................................................................................. 63
(2) Cycle stitching edit .........................................................................................................................................
63
(3) Copy and deletion of the cycle stitching .........................................................................................................
65
(4) Teaching .........................................................................................................................................................
66
(5) Performing the constant-dimension stitching using the cycle stitching ..........................................................
67
6-14. Counter ............................................................................................................................................67
(1) Thread trimming counter ................................................................................................................................ 67
(2) Bobbin thread counter ....................................................................................................................................
67
6-15. Information ......................................................................................................................................68
(1) Sewing common data ..................................................................................................................................... 69
(2) Sewing management information ...................................................................................................................
71
(3) Communication mode ....................................................................................................................................
74
6-16. Setting for functions ..................................................................................................................... 78
(1) How to change over to the function setting mode .......................................................................................... 78
(2) Function setting list ........................................................................................................................................
81
(3) Detailed explanation of selection of functions ................................................................................................
85
6-17. External interface ..........................................................................................................................91
(1) Media slot ....................................................................................................................................................... 91
(2) Ethernet port .................................................................................................................................................. 91
(3) RS-232C port ................................................................................................................................................. 91
(4) General input port (Production control switch connecting connector) ............................................................ 91
6-18. Setting the maximum sewing speed ........................................................................................... 92
6-19. Panel memory switch setting .......................................................................................................92
7. SEWING ...................................................................................................................................... 94
7-1. Adjusting the thread tension ............................................................................................................94
7-2. Adjusting the pressure of the presser foot .....................................................................................95
7-3. One-touch type reverse feed stitching mechanism ....................................................................... 95
7-4. Hand switch .......................................................................................................................................97
8. STANDARD ADJUSTMENT ....................................................................................................... 98
8-1. Adjusting the amount of oil in the hook (LZ-2290A-SS • A-SU (-7) ).............................................98
8-2. Adjusting the amount of lubricating to face plate section (LZ-2290A-SS•A-SU(-7)) ................... 98
8-3. Adjusting the height of the presser bar ..........................................................................................99
8-4. Adjusting the micro-lifting mechanism of the presser foot ..........................................................99
8-5. Height and inclination of the feed dog ............................................................................................99
8-6. Hook adjusting mode ......................................................................................................................100
8-7. Attaching / removing the hook .......................................................................................................102
8-8. Adjusting height of the needle bar ................................................................................................103
8-9. Adjusting the needle-to-hook timing and the needle guard ........................................................103
8-10. Adjusting the stop position of the needle ...................................................................................104
8-11. Adjusting the thread trimmer .......................................................................................................104
8-12. Adjusting the needle thread feeding device (Thread trimmer type only) ................................105
8-13. Adjusting the bird's nest prevention (CB) type wiper ................................................................106
8-14. Replacing procedure of the bird’s nest prevention (CB) type presser knife ...........................107
9. MAINTENANCE ........................................................................................................................ 108
(1) Replacing the power fuse ............................................................................................................................. 108
(2) Adjusting the contrast of the operation panel display ...................................................................................
108
(3) Draining (Bird’s nest prevention (CB) type only) ..........................................................................................
109
(4) Cleaning the dust bag (Bird’s nest prevention (CB) type only) .....................................................................
109
(5) Cleaning the cooling fan installed on the under cover ..................................................................................
109
(6) Cleaning the hook section ............................................................................................................................
110
(7) Cleaning the rear cover of the control box ...................................................................................................
110
(8) Cleaning the operation panel screen ...........................................................................................................
110
(9) Replacing procedure of the hook shaft oil wick ............................................................................................
110
(10) USB port ......................................................................................................................................................111
10. AT A TIME LIKE THIS ! ........................................................................................................... 112
11. Error DISPLAY
.................................................................................................................... 113
11–1. Error code list (Error display in panel) ....................................................................................... 114
12. TrouBLES AND CorrECTIVE MEASurES ...................................................................... 117