JUKI IT-100D Instruction Manual
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JUKI IT-100D Instruction Manual

JUKI IT-100D Instruction Manual

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ENGLISH
LZ-2290A / IT-100D / SC-915
INSTruCTIoN MANuAL

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Summary of Contents for JUKI IT-100D

  • Page 1 ENGLISH LZ-2290A / IT-100D / SC-915 INSTruCTIoN MANuAL...

  • Page 2: Table Of Contents

    4-4. Adjusting the height of the knee lifter ....................5 4-5. Installing the electrical box ........................6 4-6. Connecting the power switch cord (Japan and general export area) ..........6 4-7. Installing the operation panel (IT-100D) ....................6 4-8. Connecting the cords .........................7 (1) Preparaton of wrng ............................7 (2) Connectng the connectors ..........................
  • Page 3 6-12. Continuous stitching ........................59 (1) New creaton of the contnuous sttchng ......................60 (2) Contnuous sttchng edt ..........................60 (3) Copy and deleton of the contnuous sttchng ....................62 6-13. Cycle stitching ..........................63 (1) New creaton of the cycle sttchng ......................... 63 (2) Cycle sttchng edt ............................

  • Page 4: Name Of Each Component

    1. NAME oF EACH CoMPoNENT 1 Needle thread draw-out devce (LZ-2290A(U)-7) !0 Hand swtch 2 Wper swtch (WB,CB type) !1 Sttch length dal 3 Thread take-up cover !2 Condensaton dal 4 Fnger guard !3 Operaton panel 5 Thread tenson controller (Rotary tenson) !4 Bobbn wnder 6 Electrcal box !5 Tenson controller No.

  • Page 5: Specifications

    Sttch pattern 8 knds 14 patterns (custom pattern : up to 500 sttches, 20 knds can be stored.) Needle SCHMETZ 438, ORGAN DPX5 : #65 to #90 Ol used JUKI New Defrx Ol No. 1 Thread trmmer Wthout Wth Wthout...

  • Page 6: Stitch Pattern Table

    3. STITCH PATTErN TABLE Sttch pat- Number of sttches Name of pattern Max.zgzag wdth Remarks tern for pattern Straght sttch — 2-step zgzag sttch 3-step zgzag sttch 4-step zgzag sttch Scallop Standard (rght) scallop Crescent scallop Equal-wdth scallop Equal-wdth scallop Scallop Standard (left)

  • Page 7: Installation

    4. INSTALLATIoN WArNING : • Perform the installation of the sewing machine by the technical personnel who have been trained. • To prevent personal injury, ask our dealer or the electrician for electric wiring. • Be sure to perform the work with two persons or more when transporting the sewing machine and use a lorry when moving it.

  • Page 8: Removing The Needle Bar Stopper

    4-2. Removing the needle bar stopper Remove needle bar stopper 1 for transportaton. Keep the needle bar stopper which has been removed, and install this needle bar stopper when transporting the sew- ing machine. The needle bar stopper may be cut when it is strongly drawn out.

  • Page 9: Installing The Electrical Box

    4) Installng the power swtch cover Securely tghten screw 1 located on the sde of the power swtch. 4-7. Installing the operation panel (IT-100D) 1) Install operaton panel 1 on the machne head usng screws 3 whch have been assembled to panel nstallng bracket 2 .

  • Page 10: Connecting The Cords

    4-8. Connecting the cords WArNING : • To prevent personal injury caused by abrupt start of the sewing machine, carry out the work after turning OFF the power switch and a lapse of 5 minutes or more. • To prevent damage of device caused by maloperation and wrong specifications, be sure to connect all the corresponding connectors to the specified places.

  • Page 11: ConnectNg The Connectors

    (2) Connecting the connectors • Each connector has the inserting direction. Check the direction and securely insert it. (In case of the type with lock, insert up to the lock.) • If the connector is forcibly inserted, trouble or accident will be caused. •...
  • Page 12 9) Insert black connector 4P whte cord 9 comng from the machne head nsde the electrcal box through front cover through hole B, and nsert t nto connector CN31 !0 . 10) Insert gray round connector 7P cord !1 com- ng from the machne head nsde the electrcal box through front cover through hole B, pass t through cord clamp “a”, and nsert t nto connec-...
  • Page 13 When the Auto-lifter (AK121) is used : 14) Insert whte connector 2P cord @1 comng from the machne head nsde the electrcal box through front cover through hole B, pass t through cord clamps “a”, “e” and “f”, and nsert t nto connector CN40 @2 .

  • Page 14: Attaching The Connecting Rod

    When the nserton of the connector s completed, How to lock the cord clamp lock the cord clamps. Clamp 4 Lightly press the corner of clamp. (Cord clamp is locked with a click.) q Take care so that the cord s not caught between the rear cover and the electrcal box man body, close the rear cover whle pressng secton A on the lower sde of the rear cover, and tghten four...

  • Page 15: Installing The Thread Stand

    (mm) solenod valve (asm.) and regulator (asm.) on the bottom surface of the machne table. Besdes, awlng s performed on JUKI genune table. 2) Fx solenod valve (asm.) 1 wth wood screw 2 suppled wth the sewng machne as accesso- res.

  • Page 16: Lubrication (Lz-2290A-Ss • A-Su (-7) )

    1) Remove ol hole cap 1 and fill the oil tank with JUKI New Defrx Ol No. 1 usng the oler suppled wth the machne. 2) Fll the ol tank wth ol up to the place where the...

  • Page 17: Test Run

    4-14. Test run (1) Turn ON the power WArNING : • Check again the power voltage before connecting the power cord. • Check that the power switch is turned OFF and connect the power cord to the power receptacle. • Be sure to connect the earth wire. •...

  • Page 18: Preparation Before Sewing

    5. PrEPArATIoN BEForE SEWING 5-1. Inserting the needle WArNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1) Turn the handwheel by hand to rase the needle to ts hghest poston.

  • Page 19: Placing The Bobbin Case And The Bobbin

    6) In case that the bobbn thread s not wound evenly on the bobbn, loosen the nut 4 and turn the bobbn thread tenson to adjust the heght of the thread tenson dsk 2 . • It s the standard that the center of the bobbn s as hgh as the center of the thread tenson dsk.

  • Page 20: Threading The Machine Head

    5-5. Threading the machine head WArNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. LZ-2290A-7 LZ-2290A With thread...

  • Page 21: How To Use The Operation Panel

    6. HoW To uSE THE oPErATIoN PANEL 6-1. Names and functions of the respective sections !1 !2 !4 1 Re-sewng swtch !0 Thread trmmng prohbtng swtch 2 Teachng swtch !1 Backlght swtch 3 Needle up/down compensatng swtch !2 Reset swtch 4 Screen changeover swtch !3 Informaton swtch 5 Wth/wthout reverse feed sttch at sewng start swtch...
  • Page 22 Switch Description Wth/wthout reverse feed Ths s the swtch to turn ON/OFF automatc reverse feed sttch at sewng end swtch sttch at sewng end. * Ths swtch cannot be used wth the sewng machne whch s not provded wth automatc reverse feed sttch- ng devce.

  • Page 23: Before Setting The Pattern

    6-2. Before setting the pattern WArNING : Provide a clearance of 0.5 mm or more between the needle and the gauges when replacing the gauges such as presser foot, throat plate, etc. If the clearance is smaller than the specified value, it is in danger of causing the needle to be broken or the like.
  • Page 24 ■ How to set max. zigzag width limitation value Determne whether lmtaton of zgzag wdth symmet- Limitation of zigzag Limitation of width symmetrical left/right R = +4.7 rcal n the center or lmtaton of left/rght postons L = -3.3 in the center positions Setting Setting...

  • Page 25: SettNg The Reference Of StTch Base LNe

    (2) Setting the reference of stitch base line • Reference poston of sttch base lne can be set to left, center and rght. Reference of center Reference of left Reference of right stitch base line stitch base line stitch base line ■...

  • Page 26: Basic Screen

    6-3. Basic screen The screen after turnng ON the power source becomes the screen at the tme of turnng OFF the power source for the last tme. Every tme swtch s pressed, the screen changes as follows : Example) Free sttchng of 2-step zgzag wth reverse feed sttchng (Contents of dsplay change dependng on the set values.) ■...

  • Page 27: List Of The Display Pictographs Of Each Screen

    6-4. List of the display pictographs of each screen ■ Sewing shape list first screen Straght sttch 2-step zgzag sttch 3-step zgzag sttch 4-step zgzag sttch Scallop Blnd sttch Custom Pattern ■ Sewing shape list second screen Contnuous sttchng Cycle sttchng ■...
  • Page 28 ■ Blind stitch selection pop-up screen Left blnd sttch Rght blnd sttch ■ Custom pattern selection pop-up screen Custom pattern new creaton ■ Continuous stitching selection pop-up screen Contnuous sttchng new creaton ■ Cycle stitching selection pop-up screen Cycle sttchng new creaton The key lock level has been set to "1"...
  • Page 29 ■ Straight stitch sewing shape setting screen Poston of Knd of sewng sttch base lne Pattern regster Free sttchng – 5.0 Programmed sttchng Overlapped sttchng ■ Sewing shape setting screen of 2-step zigzag stitch/3-step zigzag stitch/4-step zigzag stitch Poston of Poston Poston Knd of...
  • Page 30 ■ Scallop sewing shape setting screen Zgzag Knd of Poston of Poston Poston Stop sewng at sewng at sewng poston sttch base wdth start lne Root • Crest Root • Crest Pattern regster Free Root Optonal Optonal sttchng – 5.0 Programmed Root sttchng...
  • Page 31 ■ Blind stitch sewing shape setting screen Poston of Knd of Zgzag Number sttch base sewng wdth of sttches lne Pattern regster Free – 5.0 sttchng Programmed sttchng 10.0 Overlapped sttchng ■ Custom pattern sewing shape setting screen Custom pattern needle entry mage Knd of Zgzag...
  • Page 32 ■ Custom pattern edit screen Feed Custom pattern Step Zgzag Last needle entry nput drecton needle entry mage poston Normal • nput Reverse Determnaton – 5.0 Normal Needle entry Needle entry Needle entry pont nserton pont delecton pont nserton Reverse ■...
  • Page 33 ■ Continuous stitching setting screen Zgzag Poston of Pattern Number Step sttch base wdth of sttches lne –5.0 Edt screen Copy and deleton screen dsplay 10.0 Copy Deleton ■ Continuous stitching edit screen Number Step Pattern Sewng of sttches shape Determnaton * For the sewng shape, the shape whch has been regstered n the pattern s dsplayed.
  • Page 34 ■ Cycle stitching setting screen Poston Stop Num- Pattern Step state ber of presser sttches foot Edt screen Copy and dsplay deleton screen * Stop state s not dsplayed when the number of sttches s (0 sttch). * Poston of presser foot s dsplayed except the case where the Copy number of sttches s (0 sttch) wth the auto-lfter.
  • Page 35 ■ Reverse stitching setting first screen Reverse Sewng end Sewng start sttchng at sewng Process Selecton Process Selecton Process Process start Wth/ of knd of knd wthout Reverse sttchng at sewng start Wth/ wthout Normal 0 to 19 0 to 19 Normal 0 to 19 0 to 19...
  • Page 36 ■ Reverse stitching setting second screen (Condensation custom) Wdth Wdth adjustment adjustment at sewng at sewng start 10.0 10.0 ■ S ewing common data setting first screen (When max. zigzag width limitation is set in the center) Lmtng Max.zgzag Reference wdth procedure of sttch...
  • Page 37 ■ S ewing common data setting first screen (When limiting procedure of max. zigzag width limitation is set to left/right) Lmtng Specfy- Specfy- Reference procedure ng left ng rght of sttch of max.zgzag poston poston base lne wdth lmtaton Center Left/Rght 10.0 10.0...

  • Page 38: Setting The Sewing Pattern

    6-5. Setting the sewing pattern WArNING : Be sure to check presser foot and gauge currently being used before sewing after changing the zigzag pattern or zigzag width. In case where sewing is performed with the presser foot or gauge not matching the zigzag width, it is in danger of accident such as needle breakage or the like.
  • Page 39 Left standard scallop Left crescent scallop Left equal-wdth scallop of 24 sttches Left equal-wdth scallop of 12 sttches In case of the scallop 1) Press the scallop key and the screen on the left sde appears. Press the pattern swtch you desre to select.

  • Page 40: Setting Of The Sewing Shape

    6-6. Setting of the sewing shape • Zgzag wdth can be set from “0” to 10 mm. (Set value s lmted by the max.zgzag wdth lmtaton.) • Sttch base lne can be set as follows. When the center of zgzag s “0.0”, Rght sde : “+” Left sde : “–”. (1) 2-step zigzag, 3-step zigzag and 4-step zigzag stitch ■...

  • Page 41: Scallop StTchNg

    (2) Scallop stitching ■ Sewing shape list first screen 1) Select scallop sttch- ng 1 n the sewng shape list first screen. ■ Scallop selection pop-up screen Left standard Left crescent Left equal- Left equal- wdth scallop of scallop wdth scallop of scallop 24 sttches 12 sttches...
  • Page 42 Setting of the position of sewing start Set the poston of sewng start wth ▲ / ▼ of swtch 3 . Sewng start, root Sewng start, crest ● Start from crest and start from root of scallop Start of sewing Needle position Start from root Start from crest...

  • Page 43: BlNd StTch SewNg

    (3) Blind stitch sewing ■ Sewing shape list first screen 1) Select the blnd sttch sewng n the sewng shape list first screen. ■ Blind stitch selection pop-up screen 2) Press the swtch of pattern to be selected from the screen of the left figure.

  • Page 44: Custom Pattern StTchNg

    (4) Custom pattern stitching ■ Sewing shape list first screen 1) Select custom pattern 1 n the sewng shape list first screen. ■ Custom pattern selection pop-up screen 2) Press the custom pat- tern No. to be select- ■ Sewing shape list first screen 3) The selected shape reverses and s nd- cated on the left end...

  • Page 45: Reverse Feed Stitching

    6-7. Reverse feed stitching Reverse feed sttchng can be set wth each zgzag pat- tern. Effectve/neffectve of reverse feed sttchng can be set by pressng reverse feed sttch at sewng start swtch 1 and reverse feed sttch at sewng end swtch 2 . In case the reverse feed sttchng s effectve, the respec- Sewing tve shapes of the reverse feed sttchng are dsplayed.

  • Page 46: Standard CondensatOn

    (1) Standard condensation Standard condensaton performs reverse feed sttchng at the same needle entry as that of the selected zgzag pattern. Example) Reverse feed stitching at sewing end Zgzag pattern secton 3-step zgzag sttchng Standard condensaton secton Process C : 4-tmes settng Example) In case of free stitching of the 2-step zigzag stitch 1) Press to dsplay reverse feed sttchng settng screen.

  • Page 47: 2-PoNt CondensatOn

    * For the reverse feed sttchng settng, there are two knds of methods below accordng to the zgzag patterns. 1) In case of straght sttch, scallop sttch, blnd sttch, custom and contnuous sttch, set the reverse feed sttchng wth the number of sttches. Reverse feed sttchng at sewng start →...
  • Page 48 3) Set 2-pont condensaton wdth adjustment wth the second screen. (Wdth can be narrowed up to max. – 5 mm.) 　 7 : Set 2-pont condensaton wdth adjustment at the sewng start. 　 8 : Set 2-pont condensaton wdth adjustment at the sewng end. * 2-point condensation width adjustment can narrow the width from the first needle entry position to the next needle entry poston when performng the reverse feed sttchng.

  • Page 49: CondensatOn Custom

    (3) Condensation custom Condensaton custom performs reverse feed sttchng wth the optonal needle entry whch has been nput- ted. 1) Select the shape of condensation with the first screen. 　　 1 : Select the shape of condensaton at the sewng start. 　　...

  • Page 50: ComparSon Table Of The Reverse StTch Of Each Shape

    (4) Comparison table of the reverse stitch of each shape Standard condensaton 2-pont condensaton Condensaton custom Sewng start Sewng end Sewng start Sewng end Sewng start Sewng end Straght sttch 2-step zgzag sttch 3-step zgzag sttch 4-step zgzag sttch Scallop Blnd sttch Custom Contnuous sttch...

  • Page 51: Selection Of The Kind Of Stitching

    6-8. Selection of the kind of stitching Standard delivery level of the key lock is “1”. When the level of the key lock is the case other than “0”, be sure to change the level to “0” to perform the operation below. Example) 2-step zigzag ■...
  • Page 52 Example) 2-step zigzag ■ Sewing shape setting screen 1) Select showng pro- grammed sttchng wth 1 of sewng shape settng screen. ■ Programmed stitching selection screen 2) Press to dsplay the programmed sttchng set- tng screen. 3) Number of sttches of each step s dsplayed n the programmed sttchng settng screen.

  • Page 53: Custom Pattern

    ■ One-shot automatic stitching One-shot automatc sttchng can be set by each step. 1) In the programmed sttchng edt screen, press one-shot automatc sttchng swtch 5 to select the one- shot automatc sttchng. (When t s n the selected state, a mark s dsplayed on the sde of swtch 5 .) 2) In the step where the one-shot automatc sttchng has been selected, the sewng machne wll automat- cally contnue sewng, once the sewng machne starts runnng, untl the number of sttches of the step s reached.

  • Page 54: New CreatOn Of The Custom Pattern

    ■ Custom pattern selection pop-up screen 2) Press swtch 2 correspond- ng to the pattern whch has been regstered n the custom pattern selecton pop-up screen. ■ Sewing shape setting screen e r t e r t 3) Press to dsplay the sewng shape settng screen. 4) Zgzag wdth, poston of sttch base lne, etc.

  • Page 55: Custom Pattern EdT

    (3) Custom pattern edit 1) Press swtch of n the sewng shape settng screen to move to the custom pattern edt screen. ■ Custom pattern edit screen u i o 2) Set the needle entry poston and sewng drecton of each step n the custom pattern edt screen. 7 : Set the step wth “+”...
  • Page 56 ○ Registration of pattern ■ Registration pop-up screen 1) Press 1 n the pop-up screen of regstraton, copy and deleton of custom pattern. 2) Select the pattern No. you desre to regster wth 4 n the regstraton pop-up screen. When s pressed here, the screen returns to the former one wthout regsterng the pattern.

  • Page 57: Condensation Custom

    1) Press 3 n the copy pop-up screen and the deleton pop-up screen to dsplay the deleton pop-up screen. 2) Select the pattern No. you desre to delete n the deleton pop-up screen. 7 : Select the pattern to be deleted wth “+” and “–”. When s pressed here, the screen returns to the former one wthout deletng.

  • Page 58: CondensatOn Custom EdT

    (2) Condensation custom edit ■ Condensation custom edit screen 1) Press to dsplay the reverse feed sttchng settng screen. 2) Press 2 or 4 n the reverse feed sttchng settng screen to move to the condensaton custom edt screen. 3) Set the needle entry poston for each step n the condensaton custom edt screen. 1 : Set the step wth “+”...

  • Page 59: Pattern Stitching

    When the power source is turned OFF without pressing key, the inputted data returns to the former one. When you desire to determine the data, be sure to press key. Feed direction of all of the condensation custom patterns is in the reverse feed direction. 6-11.

  • Page 60: RegSterNg The Pattern StTchNg

    ■ Sewing shape setting screen * When there s the second screen, 4 s dsplayed. 4) Settng of the respectve tems can be performed n the sewng shape settng screen. Poston of Poston at Number of sttches of Shape Zgzag wdth Stop poston sttch base lne sewng start...

  • Page 61: Copy And DeletOn Of The Pattern StTchNg

    ■ New registration pop-up screen 3) Select the pattern No. to whch you desre to regster wth 2 n the new regstraton pop-up screen. When s pressed here, the screen returns to the former one wthout perform- ng the regstraton. 4) When s pressed, regstraton s performed.

  • Page 62: Continuous Stitching

    ○ How to delete ■ Deletion pop-up screen 1) Press 2 n the copy and deleton pop- up screen to dsplay the deleton pop-up screen. 2) Select pattern No. you desre to delete n the deleton pop-up screen. 5 : Select the pattern to be deleted wth “+”...

  • Page 63: New CreatOn Of The ContNuous StTchNg

    (1) New creation of the continuous stitching Contnuous sttchng pattern can be newly created. ■ New creation pop-up screen 1) Press n the contnuous sttchng selecton pop-up screen to dsplay the new creaton pop-up screen. 2) Nos. whch have not been regstered at present are dsplayed n 1 . Select the No. you desre to obtan wth “+”...

  • Page 64: Copy And DeletOn Of The ContNuous StTchNg

    ■ Continuous stitching setting screen e r t e r t 3) Press to dsplay the contnuous sttchng settng screen. 4) Zgzag wdth and poston of sttch base lne can be set n the contnuous sttchng settng screen. 3 : Set zgzag wdth after combnng wth “+” and “–”. 4 : Set the poston of sttch base lne wth “+”...
  • Page 65 (3) Copy and deletion of the continuous stitching Press !2 n the contnuous sttchng settng screen, and the copy and deleton of contnuous sttchng pop-up screen s dsplayed. The copy and deleton of the contnuous sttchng pattern can be performed. ○...

  • Page 66: Cycle Stitching

    6-13. Cycle stitching Standard delivery level of the key lock is “1”. When the level of the key lock is the case other than “0”, be sure to change the level to “0” to perform the operation below. The cycle sttchng s the shape sewng such as label attachng and the lke, and a functon created by sup- posng the case where a pattern, each sde of whch s dfferent, s regstered and sewn.
  • Page 67 ■ Cycle stitching setting screen e r t y u 4) Settng of each step can be dsplayed n the cycle sttchng settng screen. 3 : Select the regstered steps wth “+” and “–”. * Steps that can be selected are the step that number of sttches s not set and the step that automat- c thread trmmng s set or that the number of sttches s not set mmedately before the step only.

  • Page 68: Copy And DeletOn Of The Cycle StTchNg

    (3) Copy and deletion of the cycle stitching Press n the cycle sttchng settng screen to dsplay the copy and deleton of cycle sttchng pop-up screen. Then copy and deleton of the cycle sttchng pattern can be performed. ○ How to copy ■...

  • Page 69: TeachNg

    ○ How to delete ■ Deletion pop-up screen 1) Press 2 n the copy and deleton of cycle sttchng pop-up screen. 2) Deleton pop-up screen s dsplayed. 5 : Select the cycle sttchng pattern to be deleted wth “+” and “-”. When s pressed here, the screen returns to the former one wthout performng deleton.

  • Page 70: PerformNg The Constant-DMensOn StTchNg UsNg The Cycle StTchNg

    (5) Performing the constant-dimension stitching using the cycle stitching Constant-dmenson sttchng, zgzag patterns of whch are dfferent from each other n the respectve steps can be performed by settng the number of sttches n the cycle sttchng. Example) In the process of label attachng, change over Label the zgzag patterns of constant-dmenson sttchng of 2-step zgzag sttch and straght...

  • Page 71: Information

    2) Set the ntal value wth “+” and “–” swtch. When the swtch s held pressed and the set value exceeds the dgt of 100, the set value ncreases/decreases by 100 unt. When settng the value near to 100 dgt, press the swtch each tme.

  • Page 72: SewNg Common Data

    (1) Sewing common data 1) Press 2 n the nformaton screen. ■ The first screen of sewing common data setting q w e q w e 2) Set the items below in the first screen. 1 : Lmtng procedure of max. zgzag wdth lmtaton For the lmtng procedure of 1) Center 2) Left/rght...
  • Page 73 Sewing direction 1) 1 pattern : Mrror nverson s “1” pattern only. After completon of nverson pattern, LED lights up. the pattern returns to the orgnal one. Pattern mode 2) Contnuous : The machne contnuously operates the nverson pattern after the nverson untl thread trmmng s performed Continuous or, the mrror swtch s pressed agan.
  • Page 74 (2) Sewing management information For the sewng management nformaton, there are warnng of tme of replacement of needle, that of tme of cleanng and that of tme of replacement of ol as the mantenance management nformaton. [Maintenance management function] ■ Sewing management information screen 1) Press 1 to dsplay the mantenance functon screen.
  • Page 75 ■ Clear screen 1 : The screen returns to the mantenance functon screen wthout performng clearng. 2 : The screen returns to the mantenance functon screen after executng clearng. ■ Warning screen Warnng screen s dsplayed when the warnng tme s reached. 1 : When 1 s pressed, the screen can be cleared.
  • Page 76 ■ Sewing management information selection screen 2) Press 2 to dsplay the mantenance functon screen. (For other functons, refer to the Engneer's Manual.) ■ Maintenance function screen 34 and 5 : Warnng tme nput screen s dsplayed. 3) Set the warnng tme wth 2 . Settng tme nputted s shown n reverse vdeo at 4 . ■...

  • Page 77: CommunCatOn Mode

    [Maintenance personnel level] 1) Turn ON the power. When the needle bar s not n the UP poston, turn the handwheel to brng the needle bar to ts UP poston. 2) Press swtch 1 for approxmately three seconds to dsplay the nformaton screen. ■...
  • Page 78 ■ Communication setting screen (download) Example of download Example) Parameter file No. 70 of the media is downloaded to the condensation custom pattern at the sew- ng end No. 10. 1) Open the meda cover and nsert the USB thumb drve from the nserton openng. * Panel functon does not work wth the cover opened.
  • Page 79 4) Selection of file No. of the media ■ File No. input screen Press 3 in the communication setting screen to display the file No. of media input screen. Input the file No. of meda wth !1 . The file No. which has been inputted is displayed in .
  • Page 80 ■ Communication setting screen (upload) Example of upload Example) Custom pattern No. 8 is uploaded as the vector form file No. 15 of the media. 1) Open the meda cover and nsert the USB thumb drve from the nserton openng. * Panel functon does not work wth the cover opened.

  • Page 81: Setting For Functions

    6-16. Setting for functions (1) How to change over to the function setting mode Do not perform switch operations other than those described in the following explanations. Be sure to re-turn the power switch ON after one second or more has passed. If the power is turned ON immediately after turning it OFF, the sewing machine may not work normally.
  • Page 82 ・ Change set value wth “+/ –” Key of swtch 5 . The set value has been changed from “0” to “3”. ・ When ths changed value s acceptable, press swtch When you desre to return the value to the prevous one, press swtch 6 .
  • Page 83 3) Ths screen s the func- ton settng screen. Change the settng No. wth “+/–” Key of swtch For the detals of settng No., see p. 81. Settng No. Set value Example) Changing the sewing speed of reverse feed stitching (Setting No. 8) Change the settng No.

  • Page 84: FunctOn SettNg LSt

    (2) Function setting list Settng Ref. Panel dsplay Item Descrpton Settng range Page level Standard set value Soft start The number of sttches to be sewn at a low speed when the soft- 0 to 9 N-SOFT functon start functon s used at the start of sewng. 0 : Soft-start functon s not operatve 0 to 8 Flcker...
  • Page 85 Settng Panel dsplay Ref. Item Descrpton Settng range Standard set value Page level Functon of Functon of reverse feed sttchng on the way reverse feed 0 : Functon of reverse sttchng on the way s not operatve. sttchng on 1 : Functon of reverse feed sttchng on the way s opera- the way tve.
  • Page 86 Settng Panel dsplay Ref. Item Descrpton Settng range level Standard set value Page Compensaton Compensaton of startng the solenod for reverse feed sttchng -36 to 36 T-SON of solenod- when reverse feed sttchng at the start of sewng s performed. on tmng of reverse feed sttchng at the...
  • Page 87 Settng Panel dsplay Ref. Item Descrpton Settng range level Standard set value Page F-SCS Startng curve of the sewng machne s selected. Functon to select the 0 : Normal curve start-up speed 1 : More sharp curve of the sewng machne Presser lftng Suction motion time of presser lifting solenoid [msec]...

  • Page 88: DetaLed ExplanatOn Of SelectOn Of FunctOns

    (3) Detailed explanation of selection of functions 1 Selection of the soft-start function (Function setting No.1 N-SOFT) The needle thread may fal to nterlace wth the bobbn thread at the start of sewng when the sttchng ptch (sttch length) s small or a thck needle s used. To solve such problem, ths functon (called “soft-start”) s used to lmt the sewng speed, thereby assurng successful formaton of the startng sttches.
  • Page 89 7 Function of changeover of needle up/down compensating switch on the operation panel function (Function setting No. 22 F-CMSP) Functon of needle up/down compensatng swtch on the panel of IT-100D can be changed over to needle up/down compensatng sttchng or one sttch compensatng sttchng.
  • Page 90 8 Function of reverse feed stitching on the way (Function setting Nos. 30 to 33 OBT, OBTS, OBTT) Functons of the lmt of number of sttches and thread trmmng command can be added to the touch back swtch on the sewng machne head. Functon settng No.
  • Page 91 9 Holding time of lifting presser foot (Function setting No.47 T-FL) Solenod type presser foot lfter (No. 46 0) can adjust the holdng tme control of lftng presser foot. Ths functon automatcally lowers the presser foot when the tme set wth the settng No. 47 has passed after lftng the presser foot.
  • Page 92 !1 Foot lift function after thread trimming (Function setting No.55 FLAT) Ths functon can automatcally lft the presser foot after thread trmmng. Ths functon s effectve only when t s used n combnaton wth the AK devce. 0 : off Functon of automatcally lftng the presser foot s not provded.
  • Page 93 !6 Function of soft-down of presser foot (with AK device only) (Function setting Nos.70 and 49 F-SD- FL, T-FLWT) Ths functon can softly lower the presser foot. Ths functon can be used when t s necessary to decrease contact nose, cloth defect, or slppage of cloth at the tme of lowerng the presser foot.

  • Page 94: External Interface

    @1 Function of pedal curve selection (Function setting No.87 F-PCS) Ths functon can perform the selecton of the curve of sewng speed of the sewng machne aganst the depressng amount of the pedal. Change to ths functon when you feel that nchng operaton s hard or that pedal response s slow. 0 : Sewng speed of the sewng machne n terms of the depressng amount of the pedal ncreases lnearly.

  • Page 95: Setting The Maximum Sewing Speed

    6-18. Setting the maximum sewing speed Set the maxmum sewng speed. Press counter/speed changeover swtch 1 to change over the screen to the maxmum sewng speed settng screen. Press swtch 2 or 4 to ncrease the sewng speed, or swtch 3 or 5 to decrease t.
  • Page 96 ■ Memory switch setting screen Descrpton Intal value 12 Network offline setting Network connecton valdty/nvaldty s selected. : Network connecton s enabled. : Network connecton s prohbted. 34 Clock correcton functon Clock correcton valdty/nvaldty when there s network connecton s set up. : Clock correcton s not enabled.

  • Page 97: Sewing

    7. SEWING 7-1. Adjusting the thread tension WArNING : In case of thread-breakage. It may occur that the thread tangles on the thread take-up lever. In this case, remove the thread tangling around the thread take-up lever by raising the thread take-up cover. At this time, be careful not to cut your fingers with the knife.

  • Page 98: Adjusting The Pressure Of The Presser Foot

    7-2. Adjusting the pressure of the presser foot WArNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1) Turn the presser sprng regulator 1 clockwse A to ncrease the pressure gven by the presser foot.
  • Page 99 5) Put mrror SW 2 n nstallng base 6 and fix it with setscrew 1 . (Put mrror SW 2 n nstallng base 6 so that the nstallng base 6 s nserted n the mrror SW 2 .) (Note) Freely adjust the heght of the respectve swtches. B.

  • Page 100: Hand Switch

    7-4. Hand switch 1) Reverse feed swtch 1 Press reverse feed swtch 1 and reverse feed s performed. When t s released, normal feed s performed. * Reverse feed swtch s not nstalled on the types other than WB, CB, and 0B types. (Touch-back devce (separately sold), Part No.

  • Page 101: Standard Adjustment

    1 is near in fully-tight- ened state, it is considered that hook shaft oil wick (JUKI Part No. 11015906) is clogged or the like. Replace the hook shaft oil wick. For the replacing proce- dure, refer to (10) Replacing the hook shaft oil wick of 9.

  • Page 102: Adjusting The Height Of The Presser Bar

    8-3. Adjusting the height of the presser bar 1) To change the heght of the presser bar or the nclnaton of the presser foot, loosen the presser bar connecton screw 1 and perform the adjust- ment properly. 2) After the adjustment, securely tghten the screw. 8-4.

  • Page 103: Hook Adjusting Mode

    (2) LZ-2290A*U 1) To adjust the height and inclination of the feed dog, loosen the screws ❶ and turn the feed driving link pins ❷ and ❸ using a screwdriver as shown in the figure. 2) The standard inclination of the feed dog is obtained by adjusting so that the engraved dot of feed driving link pin ❷...
  • Page 104 ■ Information screen 3) Press 2 to dsplay the screen No. 2. ■ Information screen No. 2 4) Press 3 to enter the hook adjustng mode. 5) Zgzag patterns of straght sttch and 2-step zgzag sttch can be selected n the hook adjustng mode. 　　Straight stitch 4 : Changeover of straght sttch and 2-step zgzag sttch can be performed.

  • Page 105: Attaching / Removing The Hook

    B . as shown in the figure on the left. Never let A protrude from lne B . Part No. of hook 3 is 22525877. Do not use the hook other than that designated by JUKI. – 102 –...

  • Page 106: Adjusting Height Of The Needle Bar

    8-8. Adjusting height of the needle bar WArNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1) Set the zgzag wdth to “0”.

  • Page 107: Adjusting The Stop Position Of The Needle

    8-10. Adjusting the stop position of the needle (1) Stop position of the needle after thread trimming 1) The needle stops at the standard stop poston when marker dot A engraved on the handwheel cover s algned wth whte marker dot B en- graved on the handwheel.

  • Page 108: Adjusting The Needle Thread Feeding Device (Thread Trimmer Type Only)

    If the initial position of the moving knife is not ❸ correct Loosen the nut ❸ , and move the moving knife to the right or left until the pin ❶ meets the marker dot ❷ . Then, tighten the nut ❸ . ❹...

  • Page 109: Adjusting The Bird's Nest Prevention (Cb) Type Wiper

    8-13. Adjusting the bird's nest prevention (CB) type wiper WArNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. ■ Position of the wiper 1) Adjust the whte marker dot on the handwheel 1 to the poston where t s algned wth the marker dot...

  • Page 110: Replacing Procedure Of The Bird's Nest Prevention (Cb) Type Presser Knife

    8-14. Replacing procedure of the bird’s nest prevention (CB) type presser knife WArNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. The needle thread cuttng knfe s mounted on the presser delvered as standard for the brd's nest preven- ton (CB) type.

  • Page 111: Maintenance

    9. MAINTENANCE WArNING : To prevent personal injuries caused by electric shock hazards or abrupt start of the sewing machine, carry out the work after turning OFF the power switch and ascertaining that the motor has completely stopped. To prevent personal injuries, when a fuse has blown out, be sure to replace it with a new one with the same capacity after turning OFF the power switch and removing the cause of the blown-out of the fuse.

  • Page 112: DraNNg (BRd's Nest PreventOn (Cb) Type Only)

    (3) Draining (Bird’s nest prevention (CB) type only) When the regulator becomes filled with water, turn knob 1 for dran counterclockwse. (4) Cleaning the dust bag (Bird’s nest prevention (CB) type only) Perodcally clean dust bag 1 . （ ） When the dust bag becomes excessively filled 　　　　　　　...

  • Page 113: CleanNg The Hook SectOn

    2) Draw out hook shaft ol wck 1 from hook shaft ol wck screw 2 whch has been drawn out and push a new hook shaft ol wck 1 (JUKI Part No. : 11015906) to hook shaft ol wck screw 2 (JUKI Part No.

  • Page 114: Usb Port

    • When the storage space of a USB devce s parttoned, only one partton s accessble. • Some type of the USB devce may not be properly recognzed by ths sewng machne. • JUKI does not compensate for loss of data stored on the USB devce caused by usng t wth ths sewng ma- chne.

  • Page 115: At A Time Like This

    10. AT A TIME LIKE THIS ! Confir mation In case of the following, check again before you judge the case as trouble. Phenomenon Cause Correctve measure Buzzer peeps and the sewng The measures descrbed on the left are Tlt the machne head after turnng OFF machne fals to operate when taken for safety when tltng the machne the power.

  • Page 116: Error Display

    11. Error DISPLAY There are two different kinds of errors, those output from the operation panel and those from the SC-915 (control box). Both kinds of errors are notified by the error screen and the buzzer. Two dfferent knds of screens of the panel dsplay screen appear due to the dfference of the procedures. 1) Press the reset swtch, and remove the cause of error after eras- ng the error screen.

  • Page 117: Error Code List (Error Display In Panel)

    11–1. Error code list (Error display in panel) There are the followng error codes n ths devce. These error codes nterlock (or lmt functon) and nform the problem so that the problem s not enlarged when any problem s dscovered. When you request our ser- vice, please confirm the error codes.
  • Page 118 – 115 –...
  • Page 119 ■ Warning list Contents and dsplay of warnng Correctve measure Remarks Replacement of needle warnng A201 Refer to “Sewng • Press to close warnng screen, and perform replacement of needle. Then clear management the value n the clear screen. nformaton, p.71. •...

  • Page 120: Troubles And Corrective Measures

    The thread s too thck for the needle. Use a sutable thread or needle. c. The thread s broken by heat. Use JUKI Slcone Ol Lubrcant unt. !1 When the sttch s skpped. Refer to the followng paragraphs, Sttch skppng.
  • Page 121 Bird’s nest prevention (CB) type Phenomenon Correctve measure See page Cause Needle 1 Improper wper poston. Adjust the wper to the proper poston. thread clamp 2 Ar pressure drop. Set the ar pressure to 0.6Mpa. falure 3 Dust bag becomes excessively filled with Remove waste thread from the dust bag.
  • Page 122 [Power voltage changeover procedure (power voltage setting procedure)] WArNING : To prevent personal injuries caused by electric shock hazards or abrupt start of the sewing machine, carry out the work after turning OFF the power switch and a lapse of 5 minutes or more. To prevent accidents caused by unaccustomed work or electric shock, request the electric expert or engineer of our dealers when adjusting the electrical components.

This manual is also suitable for:

Lz-2290aSc-915

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