Table of Contents
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1. MACHINE SPECIFICATIONS ...............
2. INSTALLATION .....................................
2-1. Table processing diagram ................................ 3
2-2. Installation ........................................................ 3
2-3. Lubrication ........................................................ 6
2-4. Connecting the cords ........................................ 7
2-4-1. Connecting the cords ............................. 7
2-4-2. Other cords .......................................... 10
2-5. Using the upper knife ...................................... 11
(BASIC OPERATIONS) ........................
3-1. Names and functions ...................................... 12
3-2. Sewing start and end backtack stitches ......... 14
3-3. Sewing continuous backtack stitches ............. 15
(ADVANCED OPERATIONS) ..............
4-1. Sewing pitch setting method .......................... 16
4-2. Switching the 4-digit display ........................... 17
4-3. Setting the sewing speed ............................... 17
method ................................................. 18
4-4. Setting the counters ........................................ 19
4-4-1. Lower thread counter ........................... 19
4-4-2. Production counter ............................... 20
4-4-3. Needle replacement counter ................ 21
4-5. Sewing locus setting method .......................... 22
4-6. Setting basic functions .................................... 23
4-6-1. Changing the needle stop position ...... 24
4-6-2. Thread trimming disable ...................... 25
4-6-3. Correction sewing ................................ 26
4-6-4. Slow start ............................................. 27
4-6-5. Setting the illumination LED light ......... 28
operation .............................................. 29
4-6-7. Prev. thread away ................................ 30
4-6-8. Correction sewing function (1) ............. 31
4-6-9. Correction sewing function (2) ............. 32
4-7. Memory switch setting method ....................... 33
4-8. List of memory switch settings ....................... 34
4-9. Setting design stitches .................................... 38
4-9-1. Switching the display item ................... 39
4-9-2. No. of stitches setting........................... 40
4-9-3. Direction setting ................................... 41
4-9-4. Pitch setting ......................................... 42
4-9-5. Design stitch sewing method ............... 43
CONTENTS
1
media ............................................................ 44
2
4-11. Resetting all settings to their defaults ........... 45
4-12. Hand switch .................................................. 46
4-12-1. Hand switch function setting .............. 48
4-12-2. 2nd correction pitch setting ................ 49
4-12-3. 2nd pitch setting ................................. 49
5. CLEANING ...........................................
6. STANDARD ADJUSTMENTS ..............
6-1. Arm thread guide R ......................................... 52
6-2. Presser foot height .......................................... 53
12
6-3. Adjusting the feed dog height ......................... 54
6-4. Adjusting the feed dog angle .......................... 55
6-5. Adjusting the needle bar height ...................... 55
timing ............................................................... 56
16
6-7. Needle and rotary hook timing ........................ 57
amount ............................................................ 58
thread specifications) ...................................... 59
6-10. Adjusting the upper knife .............................. 62
6-11. Replacing gauge parts .................................. 63
7. TROUBLESHOOTING ..........................
7-1. Sewing ............................................................ 64
7-2. Error code displays ......................................... 70
8. 7-SEGMENT DISPLAY .........................
S-7780A
50
52
64
74
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