Janome JP720 manual

INSTRUCTION BOOK Model JP720[...]

IMPOR T ANT SAFETY INSTR UCTIONS When using an electrical appliance, basic safety precautions should always be followed, including the followings: Read all instructions before using this appliance. D ANGER — To reduce the risk of electr ic shock: 1. An appliance should ne ver be left unattended when plugged in. Alw ays unplug this se wing machine[...]

1 KNO W Y OUR MACHINE Name of Parts ........................................................... 2 Setting the Spool Pin ................................................. 2 Standard Accessories ............................................... 3 Extension T ab le ......................................................... 3 GETTING READ Y TO SEW Connect[...]

2 KNO W Y OUR MACHINE Name of Parts q Direct pattern selection buttons w Indicator window e Bobbin winder stopper r Bobbin winder spindle t Spool pin (included in accessory bag) y Bobbin winding thread guide u Thread guide i Thread take-up lever o T ension regulating dial !0 Face plate !1 Thread cutter !2 Needle threader !3 Needle plate !4 Extensio[...]

3 Extension T able The extension table provides an extended sewing area and can be easily removed for free arm sewing. The accessories can be stored in the table. Detaching the table: Pull the table away from the machine, as illustrated. Attaching the table: Push the extension table, inserting the tab into the slot until the table snaps into the ma[...]

4 W ARNING: While in operation, always keep your eyes on the sewing area, and do not touch any moving parts such as the thread take-up le v er , handwheel or needle. Alwa ys tur n off the pow er switch and unplug from the power supply: - when leaving the machine unattended. - when attaching or removing parts. - when cleaning the machine. Do not pla[...]

5 Controlling Sewing Speed Speed control slider Y ou can limit the maximum sewing speed with the speed control slider according to your sewing needs. To increase sewing speed, slide it to the right. To decrease se wing speed, slide it to the left. Foot control Pressing on the foot control can vary sewing speed. The harder you press the foot control[...]

6 e Auto-loc k button When stitch pattern #01, #05 or #09 has been selected, the machine will immediately sew locking stitches and automatically stop when the auto-lock button is pressed. When sewing any other stitches, the machine will sew locking stitch at the end of the pattern being sewn and automatically stop. w Reverse button When sewing the [...]

7 t Stitch width adjusting button When pressing this button,the stitch width of the selected pattern will be indicated and the green light on the top left will light up. To alter the stitch width, press on the "+" or "–" sign. The stitch width can be altered while stitching . y Stitch length adjusting button When pressing this[...]

8 Changing the Presser Foot CAUTION: Tu rn OFF the pow er switch bef ore changing the foot. Alwa ys use the proper foot f or the selected pattern. The wrong f oot can cause the needle to break. Do not push the lever down to prevent it from being broken. To snap off: Raise the needle and presser foot. Press the lever on the back of the foot holder a[...]

9 Balancing Thread T ension The thread tension should be adjusted depending on the sewing materials, layers of fabric and sewing method. To adjust the thread tension, turn the tension dial. q T ension regulating dial w Setting mark Balanced tension: The ideal straight stitch has threads locked between two layers of fabric. For an ideal zigzag stitc[...]

10 Changing Needles W ARNING: Alwa ys make sure to turn the power s witch off and disconnect the machine from power supply before changing the needle. Raise the needle by turning the handwheel and lower the presser foot. Tu rn off the pow er switch. z Loosen the needle clamp screw by turning it counterclockwise. Remove the needle from the clamp. q [...]

11 Winding the Bobbin Removing the bobbin Push the hook cover plate release button to the right and remove the cover plate. q Hook cover plate release button w Hook cover plate Lift out the bobbin. e Bobbin Setting the spool Place a spool of thread on the spool pin with the thread coming off the spool as illustrated. q Spool of thread w Spool pin P[...]

12 Threading for bobbin winding Set the speed control lever at . z Hold the thread with both hands and pass the thread under the thread guide. q Thread guide x Draw the thread toward you and guide the thread around the bobbin winding thread guide. w Bobbin winding thread guide c Pass the thread through the hole in the bobbin from the inside to the [...]

13 Inserting the bobbin z Place the bobbin in the bobbin holder with the thread running off counterclockwise. q Thread w Bobbin holder x Guide the thread into the notch on the front of the bobbin holder . e Notch on the front c Draw the thread to the left, sliding it between the tension spring blades. r Spring blades v Continue to draw the thread l[...]

14 Raise the presser foot. Press the needle up/down button to raise the thread take-up lever to its highest position. z Draw the thread from the spool and pass it under the thread guide. q Thread guide x Draw the thread down along the right channel and pull it up around the bottom of the thread guide plate. Pull the thread up along the left channel[...]

15 Needle Threader z Raise the needle to its highest position. Pull down the needle threader knob as far as it will go. q Threader knob x Turn the knob in the direction of the arrow in the illustration, then insert hook into the needle eye. Lead the thread around guide and under hook. w Hook e Guide c Turn the knob in the direction of the arrow in [...]

16 Drawing Up the Bobbin Thread z Raise the presser f oot lifter . Tu rn the power s witch on. Hold the needle thread with your finger q Presser foot lifter w Needle thread x Press the needle up/down button twice to pick up the bobbin thread. Draw up the needle thread to bring up a loop of the bobbin thread. e Bobbin thread r Needle up/down button [...]

17 BASIC STITCHES Straight Stitch To s e w Raise the presser foot and position the fabric next to a seam guide line on the needle plate. Lower the needle into the fabric where you wish to start. Pull the needle and bobbin threads to the back. Lower the presser foot. Depress the foot control or press the start/stop button to start sewing. Gently gui[...]

18 Altering the needle drop position The needle drop position of the following stitches can be altered: Press the stitch width adjusting button to change the needle drop position. The top green light will light up and the preset value "2.5" (center needle position) will be indicated. Press the "+" sign to move the needle drop to[...]

19 Sewing from the edge of thick fabric The black button on the zigzag foot locks the foot in the horizontal position. This is helpful when starting sewing from the extreme edge of thick fabrics or sewing across a hem. Lower the needle into the fabric at the point where you wish to start sewing. Lower the foot while pushing in the black button. The[...]

20 #01 Straight stitch Presser foot: Zigzag f oot A Thread tension: 2 – 6 Use this stitch for seaming and for zipper sewing. #02 Lock-a-matic stitch Presser foot: Zigzag f oot A Thread tension: 2 – 6 Use this stitch to secure the beginning and the end of a seam with backstitching. When you reach the end of the seam, press the reverse button onc[...]

21 Altering the stitch length The stitch length can be altered between 0.0 and 4.0. Press the stitch length adjusting button to alter the stitch length. The bottom g reen light will light up and the preset value "2.0" will be indicated. Press the "+" sign to increase the stitch length. Press the "–" sign to decrease [...]

22 Multiple Zigzag Stitch (T ricot Stitch) This stitch is used to finish a raw edge of synthetics and other stretch f abr ics that tend to puck er . Sew along the fabric edge leaving an adequate seam allowance. After sewing, trim the seam allowance close to the stitches. Overcasting with Zigzag Stitch Place the fabric edge next to the right side of[...]

23 Buttonholes #14 Square buttonhole (sensor buttonhole) This buttonhole is widely used on medium to heavy weight fabrics. The buttonhole size is automatically determined by placing a button in the rear of the foot. Square buttonhole Machine Settings q Stitch pattern: #14 w Foot: Automatic buttonhole foot R e Thread tension: 1 – 5 NOTES: • The [...]

24 To s e w z Press the needle up/down button to raise the needle. Attach the automatic buttonhole foot R snapping the pin into the groove of the foot holder . q Groove w Pin x Pull the button holder to the back, and place the button in it. Push it together tightly to the button. NOTE: If the button is extremely thick, make a test buttonhole on an [...]

25 b Start the machine to sew the buttonhole. The buttonhole will be automatically sewn. Step 1 : The machine will sew the front bar tac k and the left row first. Then it goes back to the starting point with straight stitch. Step 2 : The machine will sew the right row . Step 3 : The machine will sew the bac k bar tack. Step 4 : The machine will sto[...]

26 Altering the buttonhole width Press the stitch width adjusting button to change the buttonhole width. Press the "+" sign to increase the buttonhole width. Press the "–" sign to decrease the buttonhole width. q Narrower buttonhole w Wider buttonhole * The width can be altered between 2.5 and 7.0. Altering the buttonhole stit[...]

27 b Remove the fabric from the machine and cut the sewing threads. n Pull the left end of the filler cord to tighten it. Thread the end of the cord through a darning needle and draw it to the wrong side of the fabric and cut. Corded buttonhole To se w a corded buttonhole, f ollow the same procedure as for a square buttonhole (sensor buttonhole). z[...]

28 z Pull the Button Holder all the way out. Insert the fabric under the foot. Press the up/ down needle button twice. Remove the fabric to the left to draw the needle thread through the hole of the foot. x Insert the garment under the foot, and lower the needle at the star ting point. Then low er the Automatic buttonhole foot R. q Button Holder NO[...]

29 Button Sewing Unthread the needle thread. Place a button on the fabric and lower the needle by turning the handwheel, so that the needle enters into the left hole in the button. Align the holes in the button with the slot on the foot and lower it to hold the button in place. Tu rn the handwheel sev eral times until the needle bar swings to the r[...]

30 Zipper Sewing Attaching the zipper foot (optional item) (A) Attach zipper foot E with the pin on the right- hand side to the groove to sew the left side of the zipper . (B) Attach zipper foot E with the pin on the left- hand side to the groove to sew the right side of the zipper . q Pin w Groove NOTE: The zipper foot is available as an optional [...]

31 x c v b n !0 i o x Place zipper teeth next to margin edge and baste the zipper tape to the lower f abric lay er . Align zipper foot with margin edge. Return thread tension and stitch length to original settings. Sew a seam the entire length of zipper tape. NOTE: T o secure the beginning of a seam, sew se veral reverse stitches. c Stop the machin[...]

32 Blind Hemming Machine setting q Stitch pattern: #13 or #12 w Presser foot: Zigzag foot A e Thread tension: 3 – 6 z On heavy weight fabrics that ravel, the raw edge should be overcast first. Fold the hem under the fabric as illustrated for fine or medium fabrics. Fold a hem with the wrong side up forming a 3/16” (0.5 cm) allowance. q Wrong si[...]

33 Patchwork Machine setting q Stitch pattern: #09 w Presser foot: Satin stitch foot F e Thread tension: 1 – 4 Applique Machine setting q Stitch pattern: #16, #17, #18 w Presser foot: Satin stitch foot F e Thread tension: 1 – 4 Place the applique on the fabric and baste it in place. Sew , guiding the edge of the applique along the slit on the f[...]

34 20 Smocking Machine setting q Stitch pattern: #20 w Presser foot: Satin stitch foot F e Thread tension: 3 – 6 Smocking is a delicate, decorative treatment on children’s clothes or women’s blouses. Choose a soft, lightweight fabric such as batiste, gingham or challis. Cut the fabric three times the projected width. Set the stitch length at [...]

35 Correcting Distorted Stretch Patterns The sewing results of the stretch patterns may vary depending upon the sewing conditions, such as sewing speed, type of the fabric, number of layers etc. Always test sew on a scrap piece of the fabric that you wish to use. If stretch stitch patterns are distorted, correct it with the feed balancing dial. q F[...]

36 CARE AND MAINTENANCE W ARNING: Tu rn the power s witch off and unplug the machine before cleaning. NOTE: Do not dismantle the machine in any way other than what is explained in this section. Clean the outside of the machine with a soft cloth and mild soap. Cleaning the Hook Race and Feed Dogs z Remove the presser foot and needle. Remove screw on[...]

37 Audible signal The buzzer sounds when: Pip Normal operation Pip-pip-pip Invalid operation Pip-pip-peep Buttonhole sewing completed Peep Malfunciton The start/stop button is pressed with the foot control being connected. The foot control is connected or disconnected while sewing. Disconnect the foot control. Tu rn the po wer switch off when conne[...]

38 Condition Cause Reference The needle breaks. Skipped stitches Seam puckering The cloth is not fed smoothly . The needle thread breaks. The bobbin thread breaks. 1. The needle thread is not threaded properly . 2. The needle thread tension is too tight. 3. The needle is bent or blunt. 4. The needle is incorrectly inserted. 5. The needle thread and[...]

806-800-011 (E) Printed in Taiwan[...]