JUKI LK-1901A User manual

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ENGLISH
INSTRUCTION MANUAL
LK-1900A / IP-410

1
CONTENTS
1. NAME OF EACH SECTION OF THE OPERATION PANEL...........................................................4
1-1 BODY................................................................................................................................................... 4
1-2 BUTTONS TO BE USED IN COMMON......................................................................................................... 6
2. BASIC OPERATION OF IP-410......................................................................................................7
3. LCD DISPLAY SECTION AT THE TIME OF SEWING SHAPE SELECTION................................9
3-1 SEWING SHAPE DATA INPUT SCREEN...................................................................................................... 9
3-2 SEWING SCREEN................................................................................................................................. 12
4. PERFORMING SEWING SHAPE SELECTION............................................................................15
5. SEWING SHAPE LIST..................................................................................................................18
5-1 LK1900A／LK1901A／LK1902A.................................................................................................... 18
5-2 LK1903A .......................................................................................................................................... 20
6. PERFORMING ITEM DATA CHANGE .........................................................................................21
7. CHECKING PATTERN SHAPE....................................................................................................23
8. CHANGING THREAD TENSION COMMAND AT EVERY NEEDLE ENTRY POINT...................25
8-1 ADDING OR CHANGING THREAD TENSION COMMAND AT EVERY NEEDLE ENTRY POINT ............................. 25
8-2 DELETING THREAD TENSION COMMAND AT EVERY NEEDLE ENTRY POINT................................................ 27
9. PERFORMING RELEASE OF GREASE-UP ERROR ..................................................................29
10. USING TEMPORARY STOP.......................................................................................................30
10-1 TO CONTINUE PERFORMING SEWING FROM SOME POINT IN SEWING...................................................... 31
10-2 TO PERFORM RE-SEWING FROM THE START........................................................................................ 32
11. WINDING BOBBIN THREAD......................................................................................................33
12. USING COUNTER ......................................................................................................................34
12-1 SETTING PROCEDURE OF THE COUNTER............................................................................................. 34
12-2 COUNT-UP RELEASING PROCEDURE................................................................................................... 37
12-3 HOW TO CHANGE THE COUNTER VALUE DURING SEWING..................................................................... 38
13. PERFORMING NEW REGISTER OF USERS' PATTERN..........................................................39
14. PERFORMING NEW REGISTER OF PATTERN BUTTON........................................................40
15. LCD DISPLAY SECTION AT THE TIME OF PATTERN BUTTON SELECTION.......................42
15-1 PATTERN BUTTON DATA INPUT SCREEN ............................................................................................. 42
15-2 SEWING SCREEN............................................................................................................................... 45
16. PERFORMING PATTERN BUTTON No. SELECTION ..............................................................48
16-1 SELECTION FROM THE DATA INPUT SCREEN........................................................................................ 48
16-2 SELECTION BY MEANS OF THE SHORTCUT BUTTON ............................................................................. 50
17. CHANGING CONTENTS OF PATTERN BUTTON.....................................................................51

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18. NAMING PATTERN....................................................................................................................54
19. COPYING PATTERN BUTTON ..................................................................................................55
20. CHANGING SEWING MODE......................................................................................................57
21. LCD DISPLAY SECTION AT THE TIME OF COMBINATION SEWING ....................................58
21-1 PATTERN INPUT SCREEN ................................................................................................................... 58
21-2 SEWING SCREEN............................................................................................................................... 60
22. PERFORMING COMBINATION SEWING..................................................................................63
22-1 HOW TO CREATE COMBINATION DATA ................................................................................................ 63
22-2 SELECTION OF COMBINATION DATA ................................................................................................... 64
22-3 HOW TO DELETE COMBINATION DATA................................................................................................. 66
22-4 HOW TO DELETE COMBINATION DATA STEP ........................................................................................ 67
23. CHANGING MEMORY SWITCH DATA......................................................................................68
23-1 HOW TO CHANGE MEMORY SWITCH DATA ........................................................................................... 68
23-1-1 Level 1 ..................................................................................................................................................68
23-1-2 Level 2 ..................................................................................................................................................70
23-2 MEMORY SWITCH DATA LIST.............................................................................................................. 71
23-2-1 Level 1 ..................................................................................................................................................71
23-2-2 Level 2 ..................................................................................................................................................78
24. ERROR CODE LIST....................................................................................................................81
25. MESSAGE LIST..........................................................................................................................90
26. USING COMMUNICATION FUNCTION......................................................................................93
26-1 HANDLING POSSIBLE DATA................................................................................................................ 93
26-2 PERFORMING COMMUNICATION BY USING THE MEDIA.......................................................................... 95
26-3 PERFORMING COMMUNICATION BY USING RS-232C........................................................................... 98
26-4 TAKE-IN OF THE DATA.................................................................................................................... 99
26-5 TAKING IN PLURAL DATA TOGETHER........................................................................................... 101
27. INFORMATION FUNCTION......................................................................................................104
27-1 OBSERVING THE MAINTENANCE INSPECTION INFORMATION ............................................................... 105
27-2 INPUTTING THE INSPECTION TIME ..................................................................................................... 108
27-3 RELEASING PROCEDURE OF THE WARNING....................................................................................... 110
27-4 OBSERVING THE PRODUCTION CONTROL INFORMATION..................................................................... 111
27-4-1 When displaying from the information screen................................................................................111
27-4-2 When displaying from the sewing screen.......................................................................................113
27-5 PERFORMING SETTING OF THE PRODUCTION CONTROL INFORMATION ................................................ 114
27-6 OBSERVING THE WORKING MEASUREMENT INFORMATION ................................................................. 118
28. TRIAL SEWING FUNCTION.....................................................................................................122

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28-1 PERFORMING TRIAL SEWING............................................................................................................ 122
29. THREAD TENSION VALUE DISPLAY COLOR LIST...............................................................125
30. SETTING APPROVAL/DISAPPROVAL OF CALLING OF PATTERN DATA..........................126
31. PERFORMING ADJUSTMENT OF ORIGIN OF PRESSER.....................................................127
32. PERFORMING KEY LOCK.......................................................................................................128
33. DISPLAYING VERSION INFORMATION .................................................................................130
34. USING CHECK PROGRAM......................................................................................................132
34-1 TO DISPLAY THE CHECK PROGRAM SCREEN ..................................................................................... 132
34-2 PERFORMING COMPENSATION OF TOUCH PANEL............................................................................... 134
34-3 PERFORMING LCD CHECK.............................................................................................................. 137
34-4 PERFORMING SENSOR CHECK ......................................................................................................... 138
34-5 NUMBER OF ROTATIONS OF MAIN MOTOR CHECK .............................................................................. 140
34-6 PERFORMING OUTPUT CHECK.......................................................................................................... 141
34-7 PERFORMING X/Y MOTORS/ORIGIN SENSORS CHECK........................................................................ 142
34-8 PERFORMING PRESSER/THREAD TRIMMER MOTOR/ORIGIN SENSOR CHECK ........................................ 143
34-9 PERFORMING THREAD CLAMP MOTOR/ORIGIN SENSOR CHECK........................................................... 144
35. COMMUNICATION SCREEN OF MAINTENANCE PERSONNEL LEVEL ..............................145
35-1 DATA WHICH ARE POSSIBLE TO BE HANDLED.................................................................................... 145
35-2 DISPLAYING MAINTENANCE PERSONNEL LEVEL ................................................................................ 146
35-3 PERFORMING REWRITING OF PROGRAM ........................................................................................... 147
36. INFORMATION SCREEN OF THE MAINTENANCE PERSONNEL LEVEL............................149
36-1 DISPLAY OF ERROR RECORD ........................................................................................................... 149
36-2 DISPLAY OF THE CUMULATIVE WORKING INFORMATION..................................................................... 151

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1. NAME OF EACH SECTION OF THE OPERATION PANEL
1-1 Body
(Front) (Right side)
①
⑤ ④ ③ ②
⑩
⑥
⑨
⑧
⑦

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① Touch panel･LCD display section
② READY key → Changeover of the data input screen and the sewing
screen can be performed.
③ INFORMATION key → Changeover of the data input screen and the
information screen can be performed
④ COMMUNICATION key → Changeover of the data input screen and the
communication screen can be performed.
⑤ MODE key →Changeover of the data input screen and the mode
changeover screen which performs various detail
settings can be performed.
⑥ Media slot (Close the cover for use. )
⑦ Connector for RS-232C communication
⑧ Variable resistor for color LCD screen contrast adjustment
⑨ Connector for external input
⑩ Media removing lever

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1-2 Buttons to be used in common
The buttons which perform common operations in each screen of IP-410 are as follows :
CANCEL button →This button closes the pop-up screen.
In case of the data change screen, the data being
changed can be cancelled.
ENTER button →This button determines the changed data.
UP SCROLL button →This button scrolls the button or the display in the
upward direction.
DOWN SCROLL button →This button scrolls the button or the display in the
downward direction.
RESET button →This button performs the release of error.
NUMERAL INPUT button →This button displays ten keys and input of numerals can
be performed.
CHARACTER INPUT button →This button displays the character input screen.
→Refer to
18. NAMING PATTERN, p.54.
PRESSER DOWN button →This button lowers the presser and displays the presser
down screen.
To raise the presser, press PRESSER UP button
displayed in the presser down screen.
BOBBIN WINDER button →This button performs bobbin thread winding.
→Refer to
11. WINDING BOBBIN THREAD, p.33.

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2. BASIC OPERATION OF IP-410
LK-1900A is explained as the standard in this Instruction Manual.
① Turn ON the power switch
When the power is turned ON first, the selection screen of the
language is displayed. Set the language used. (It is possible to
change with memory switch U239.)
② Select the pattern No. you desire to sew.
When the power is turned ON, the data input screen is displayed.
The shape which is selected at present in the center of the screen
is displayed on SHAPE SELECTION button (A) and the
selection of the sewing shape can be performed when pressing the
button. For selecting procedure of the sewing shape, refer to 4.
PERFORMING SEWING SHAPE SELECTION, p.15.
When READY key （B）is pressed, the back color of LCD
display is changed to green, and the sewing machine is set to the
sewing possible state.
For the pattern No., refer to the sewing shape list.
When the presser is raised, be careful that fingers are not
caught in the presser since the presser moves after having
lowered.
When ending the selection screen with CANCEL button
or ENTER button without selecting the
language, the selection screen of the language is again
displayed when turning ON the power next.
When turning OFF the power without pressing READY key,
the setting of "Pattern No.", "XY scale" and "number of
max. rotation" are not memorized.
B
A

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③ Start sewing.
Set the sewing product to the presser portion, and operate the
pedal to start the sewing machine, and sewing starts.
* For the screen, refer to 3. LCD DISPLAY SECTION AT THE
TIME OF SEWING SHAPE SELECTION, p.9.

9
3. LCD DISPLAY SECTION AT THE TIME OF SEWING SHAPE SELECTION
3-1 Sewing shape data input screen
BC
G
F
A DE
H
I
J
K
L
M
N
O P

10
Button and display Description
A PATTERN BUTTON NEW
REGISTER button
Pattern button new register screen is displayed.
→ Refer to 14. PERFORMING NEW REGISTER OF PATTERN
BUTTON, p.40.
B USERS' PATTERN NEW
REGISTER button
Users' pattern new register screen is displayed.
→Refer to
13. PERFORMING NEW REGISTER OF USERS'
PATTERN, p.39.
C THREAD CLAMP button Effective/ineffective of thread clamp is selected.
：Thread clamp ineffective
：Thread clamp effective
* When the prohibition of thread clamp is set with memory switch
U35, the thread clamp button is not displayed.
D PRESSER DOWN button Presser can be lowered and the presser down screen is displayed.
To raise the presser, press the presser up button which is displayed
in the presser down screen.
E BOBBIN WINDER button Bobbin thread can be wound.
→Refer to 11. WINDING BOBBIN THREAD. p.33.
F SEWING SHAPE No. display Kind and No. of the sewing shape being selected at present are
displayed.
There are three kinds of sewing shapes below.
：Standard pattern
：LK-1900 pattern
：Users' pattern
G SEWING SHAPE SELECTION
button
Sewing shape being selected at present is displayed on this button
and when the button is pressed, the sewing shape selection screen
is displayed.
→Refer to
4. PERFORMING SEWING SHAPE SELECTION, p.15.
H NEEDLE THREAD TENSION
SETTING button
Needle thread tension value which is set to the pattern data being
selected at present is displayed on this button and when the button is
pressed, the item data change screen is displayed.
→Refer to. 6. PERFORMING ITEM DATA CHANGE, p.21.

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Button and display Description
I X ACTUAL SIZE VALUE display Actual size value in X direction of sewing shape being selected at
present is displayed.
When the actual size value input is selected by setting memory
switch , X actual size value setting button is displayed.
→ Refer to 6. PERFORMING ITEM DATA CHANGE, p.21.
J X SCALE RATE SETTING button Scale rate in X direction of sewing shape being selected at present is
displayed on this button.
When the scale input is set to non-selection by setting memory switch
, the button goes out and the X scale is displayed.
→ Refer to 6. PERFORMING ITEM DATA CHANGE, p.21.
K Y ACTUAL SIZE VALUE display Actual size value in Y direction of sewing shape being selected at
present is displayed.
When the actual size value input is selected by setting memory
switch , Y actual size value setting button is displayed.
→Refer to
6. PERFORMING ITEM DATA CHANGE, p.21.
L Y SCALE RATE SETTING button Scale rate in Y direction of sewing shape being selected at present is
displayed on this button. When the scale input is set to non-selection
by setting memory switch , the button goes out and the Y
scale is displayed.
→ Refer to 6. PERFORMING ITEM DATA CHANGE, p.21.
M MAX. SPEED LIMITATION Maximum speed limitation which is set at present is displayed on this
button and when the button is pressed, the item data change screen
is displayed.
→Refer to 6. PERFORMING ITEM DATA CHANGE, p.21.
N FOLDER No. display Pattern register button which is displayed indicates the folder No.
which has been stored
O FOLDER SELECTION button Folders to display the patterns are displayed in order.
P PATTERN REGISTER button PATTERN REGISTER buttons stored in N FOLDER No. display are
displayed.
→Refer to
14. PERFORMING NEW REGISTER OF PATTERN
BUTTON. p.40.

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3-2 Sewing screen
ABC
E
F
H
I
J
D
G
K
L
M
N
O
P
Q
R

13
Button and display Description
A THREAD CLAMP button Effective/ineffective of the thread clamp is selected.
：Thread clamp ineffective
：Thread clamp effective
* When the prohibition of thread clamp is set with memory switch
U35, the thread clamp button is not displayed.
B PRESSER DOWN button Presser can be lowered and the presser down screen is displayed.
To raise the presser, press the presser up button which is displayed
in the presser down screen.
C RETURN TO ORIGIN button This button returns the presser to the start of sewing and raises the
presser at the time of temporary stop.
D X ACTUAL SIZE VALUE display Actual size value in X direction of sewing shape being selected is
displayed.
E X SCALE RATE display Scale rate in X direction of sewing shape being selected is displayed.
F SEWING SHAPE No. display Kind and No. of sewing shape being selected at present are
displayed.
There are three kinds of sewing shapes below.
：Standard pattern
：LK-1900 pattern
：Users' pattern
G SEWING SHAPE display Sewing shape being selected at present is displayed.
H SEWING SHAPE Total number of
stitches display
Total number of stitches of the sewing shape being selected at
present is displayed.
* It is displayed only when the sewing shape being selected is the
standard pattern.
I NEEDLE THREAD TENSION
SETTING button
Needle thread tension value which is set to the pattern data being
selected at present is displayed on this button and when the button is
pressed, the item data change screen is displayed.
→Refer to. 6. PERFORMING ITEM DATA CHANGE, p.21.
J COUNTER VALUE CHANGE
button
Existing counter value is displayed on this button. When the button is
pressed, the counter value change screen is displayed.
→ Refer to 12. USING COUNTER, p.34.

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Button and display Description
K COUNTER
CHANGE OVER button
Display of sewing counter/No. of pcs. counter can be changed over.
→Refer to 12. USING COUNTER, p.34.
L STEP SEWING button Step sewing screen is displayed. Checking of the pattern shape can
be performed.
→Refer 7. CHECKING PATTERN SHAPE, p.23.
M FOLDER No. display Pattern register button which is displayed indicates the folder No.
which has been stored.
N SPEED variable resistor Number of rotations of the sewing machine can be changed.
O Y ACTUAL SIZE VALUE display Actual size value in Y direction of sewing shape being selected is
displayed.
P Y SCALE RATE display Scale rate in Y direction of sewing shape being selected is displayed.
Q MAX. SPEED LIMITATION display Maximum speed limitation which is set at present is displayed.
R PATTERN REGISTER button Pattern register buttons stored in M FOLDER No. display are
displayed.
→Refer to 14. PERFORMING NEW REGISTER OF PATTERN
BUTTON. p.40.

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4. PERFORMING SEWING SHAPE SELECTION
① Display the data input screen.
Only in case of the data input screen (blue),
the selection of sewing shape is possible. In
case of the sewing screen (green), press
READY key and display the data input
screen (blue).
② Call the sewing shape selection screen.
Press SEWING SHAPE button (A) and
the sewing shape selection screen is
displayed.
③ Select the kind of sewing shape.
There are three kinds of sewing shapes in large.
Press SEWING SHAPE SELECTION button
(B).
A
B

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④ Determine the kind of sewing shape.
There are three kinds of sewing shapes
below. Select the kind you desire from
among them.
Pictograph Name Maximum
number of
patterns
Standard
pattern 64
LK-1900 pattern 99
Users' pattern 200
Select the sewing shape you desire from
SEWING SHAPE SELECTION buttons (C)
and press ENTER button (D).
The sewing shape list screen corresponding
to the kind of sewing shape you selected is
displayed.
* For LK-1900 pattern, the SELECT button is
not displayed when ROM is not set to
MAIN p. c. b.
⑤ Select the sewing shape.
When UP or DOWN SCROLL button
(E) is pressed, SEWING SHAPE
buttons (F) are changed over in order. The
description of the sewing shape is
displayed in the button.Here, press the
SEWING SHAPE button you desire to
select. The details of the selected shape is
displayed at the upper part of the screen.
D
C
F E
G

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⑥ Determine the sewing shape.
When ENTER button (G) is pressed,
the sewing shape is determined and the data
input screen is displayed.
When the sewing shape is LK-1900 pattern or
users' pattern, the screen as shown on the
right side is displayed.
PATTERN No. SELECTION buttons (H)
which have been registered to LK-1900
pattern or users' pattern are displayed. Press
the button of the pattern No. you desire to
select.
In addition, when you desire to confirm the
shape you selected, press VIEWER button
(I). Then the viewer screen is
displayed and the selected shape is displayed.
I
H

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5. SEWING SHAPE LIST
5-1 LK1900A／LK1901A／LK1902A
Sewing
size (mm) Sewing size (mm)
No. Stitch diagram
Number of stitches
Lengthwise
Crosswise
(Note 2) No. of
presser
No. Stitch diagram
Number of stitches
Lengthwise
Crosswise
(Note 2) No. of
presser
1 1
2 2
1
(51)
2. 0 16
3
17 21 0 10
3
1 1
2 2
2
2. 0 10
3
18 010
3
1 6*
3
2. 5 16
4
19
28
025
7
6 6*
4
42
3. 0 24
7
20
36 0 25
7
1 6
2
5
2. 0 10
3
21
41 0 25
7
1*
6
28
2. 5 16
4
Linear bar-tacking
22
44 0 35 (Note 3)
1 9
2
7
2. 0 10
3
23
(Other side)
(This side)
28 20 4.0
10
1 9*
8
36
2. 5 16
4
24
(Other side)
(This side)
36 20 4.0
10
6 9*
9
56 3. 0 24
7
25
(Other side)
(This side)
42 20 4.0
10
6 9
Large bar-tacking
*
10
64 3. 0 24
7
Lengthwise bar-tacking
26
(Other side)
(This side)
56 20 4.0
10
11
21 2. 5 6 27
(Other side)
(This side)
18 20 0
12
28 2. 5 6 28
(Other side)
(This side)
10 0
Small bar-tacking
13
36 2. 5 6
8
29
(Other side)
(This side)
21
20 0
14
14 2. 0 8
Lengthwise linear bar-tacking
30
(Other side)
(This side)
28 20 0
11
15
21 2. 0 8
Knit goods bar-tacking
16 28 2. 0 8
5
(Note)
1．Sewing size shows the dimensions when the scale rate is
100%.
2．Refer the No. of presser to the separate table of presser.
3．For No. 22, process the presser blank for use.
4．Use the patterns with * marks for sewing denim.
5．No51 is for the machine without tread clamp.

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Sewing
size (mm)
No. Stitch diagram
Number of stitches
Lengthwise
Crosswise
(Note 2) No. of
presser
31 52 7 10 13
32
63 7 12 13
33 24 6 10 13
34
31 6 12 13
35
48 10 7 14
Semilunar bar-tacking
36
48 10 7 14
6
Large bar-
tacking
37
90 3 24
7
Knit goods bar-
tacking
38
28 2 8 5
39 28
Round bar-tacking
40 48
Φ12 16
Sewing
size (mm)
No. Stitch diagram
Number of stitches
Lengthwise
Crosswise
(Note 2) No. of
presser
41
29 20 2. 5 12
42
39 25 2. 5 12
43
45 25 2. 5 12
44
58 30 2. 5 12
45
75 30 2. 5 12
Lengthwise bar-tacking
46
42 30 2. 5 12
47 91
48 99
49 148
Radial tacking
50
164
Φ8 15
Caution
Pattern Nos. 41 to 46 are for the optional work clamp
foot No. 12. They are different from the lengthwise
bar tacking pattern Nos. 23 to 26 in the origin by 5
mm up and down.