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Janome Jem Platinum 720 - User Manual

Janome Jem Platinum 720
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AAASewing.com
Janome
Jem Platinum 720
Instruction Manual
Model JP720
Janome Jem 720 Instruction Manual
Janome Sewing Machine
www.aaasewing.com
Jem Platinum 720 Owners Manual/ User Guide

Table of Contents

Questions and Answers

  • R
    Rachel JacobsAug 15, 2025
    Why does the needle thread keep breaking on my Janome Sewing Machine?
    • S
      Sarah AndrewsAug 16, 2025
      The needle thread may break on your Janome Sewing Machine due to several reasons: * The needle thread might not be threaded properly. * The needle thread tension could be too tight. * The needle might be bent or blunt. * The needle might be incorrectly inserted. * The needle thread and the bobbin thread might not be set properly under (drawn to the rear of) the presser foot when sewing is starting. * The fabric might not be drawn to the rear when sewing is finished. * The thread might be too heavy or too fine for the needle.
  • N
    Nicholas TorresAug 18, 2025
    What to do if my Janome Jem Platinum 720 is skipping stitches?
    • L
      Leah RangelAug 19, 2025
      Skipped stitches on your Janome Sewing Machine can occur for several reasons: * The needle may be incorrectly inserted, bent, or blunt. * The needle and/or thread may not be suitable for the fabric being sewn. * A blue needle may not be used for sewing stretch, very fine fabrics, and synthetics. * The needle thread may not be threaded properly. * A poor-quality needle may be in use; in this case, replace the needle.
  • R
    reedjosephAug 21, 2025
    Why does the bobbin thread break on my Janome Sewing Machine?
    • C
      christie86Aug 21, 2025
      The bobbin thread may break on your Janome Sewing Machine because: * The bobbin thread is not threaded properly in the bobbin holder. * Lint has collected in the bobbin holder. * The bobbin is damaged and doesn’t turn smoothly; replace the bobbin. * The thread is wound loosely on the bobbin; re-wind the bobbin.
  • J
    jessicamendozaAug 25, 2025
    Why is my Janome Sewing Machine not working?
    • B
      Brittany HopkinsAug 26, 2025
      Your Janome Sewing Machine may not be working because: * The machine is not plugged in. * Thread is caught in the hook race. * The bobbin winder spindle is still in the winding position.
  • J
    James TorresAug 27, 2025
    Why is my Janome Jem Platinum 720 Sewing Machine needle breaking?
    • S
      Sandra MartinAug 27, 2025
      The needle on your Janome Sewing Machine may break because: * It is incorrectly inserted, bent, or blunt. * The needle clamp screw is too loose. * A proper foot is not being used; use the proper foot. * The fabric is not drawn to the rear when sewing is finished. * The needle is too fine for the fabric being sewn.
  • M
    Morgan ReedAug 30, 2025
    Why is the needle thread looping on my Janome Sewing Machine?
    • L
      Lindsay SolisAug 30, 2025
      Needle thread loops on your Janome Sewing Machine can occur if: * The needle thread tension is too loose. * The needle size is not suitable for the thread.
  • S
    schroedernicoleSep 2, 2025
    What to do if the cloth is not fed smoothly in my Janome Jem Platinum 720?
    • D
      Deborah MillerSep 3, 2025
      If the cloth is not feeding smoothly through your Janome Sewing Machine, it may be because: * The feed dog is packed with lint. * The stitches are too fine; make the stitch longer. * The feed dog was not raised after being lowered.
  • X
    xrosalesSep 6, 2025
    Why is the buttonhole not sewn well on my Janome Sewing Machine?
    • T
      Tammy HowellSep 6, 2025
      A poorly sewn buttonhole on your Janome Sewing Machine can result from: * The stitch density not being suitable for the fabric being sewn. * Interfacing not being used with stretch fabrics.
  • J
    Jordan WoodsSep 8, 2025
    How to fix seam puckering on my Janome Jem Platinum 720 Sewing Machine?
    • T
      Teresa GibsonSep 9, 2025
      Seam puckering on your Janome Sewing Machine can be caused by: * The needle thread tension being too tight. * The needle thread not being threaded properly. * The needle being too heavy for the fabric being sewn. * The stitch length being too long for the fabric; make the stitch shorter. * For very fine fabrics, use a stabilizer.
  • D
    Deanna AlvaradoSep 12, 2025
    Why are the patterns distorted on my Janome Jem Platinum 720 Sewing Machine?
    • J
      juliethompsonSep 12, 2025
      Patterns may be distorted on your Janome Sewing Machine if the stitch is not balanced.

Summary

IMPORTANT SAFETY INSTRUCTIONS

DANGER - To reduce the risk of electric shock

Instructions to reduce the risk of electric shock from the sewing machine.

WARNING - To reduce the risk of burns, fire, electric shock, or injury to persons

Safety precautions to prevent burns, fire, electric shock, or personal injury.

GETTING READY TO SEW

Connecting the Power Supply

Guide to connecting the sewing machine to the electrical power supply.

Using the Start;Stop Button

How to operate the machine using the start/stop button instead of the foot control.

Using the Foot Control

Controlling Sewing Speed

Dropping the Feed Dog

Balancing Thread Tension

Winding the Bobbin

Threading for bobbin winding

Inserting the bobbin

Threading the Machine

Needle Threader

Drawing Up the Bobbin Thread

BASIC STITCHES

Straight Stitch

Detailed instructions for performing a straight stitch, including settings and techniques.

Altering the stitch length

Altering the needle drop position

Variety of Straight Stitches and Recommended Feet

Zigzag Stitch

UTILITY STITCHES

Overcasting with Zigzag Stitch

Multiple Zigzag Stitch (Tricot Stitch)

Buttonholes

#14 Square buttonhole (sensor buttonhole)

How to sew a square buttonhole automatically using the sensor feature.

#15 Auto buttonhole

Instructions for sewing automatic buttonholes with adjustable size.

Square buttonhole

To sew (buttonholes)

Altering the buttonhole width

Altering the buttonhole stitch density

Double layer buttonhole

Corded buttonhole

Auto buttonhole

Button Sewing

Zipper Sewing

Blind Hemming

Adjusting the needle drop position

DECORATIVE SEWING

Applique

Patchwork

Smocking

Correcting Distorted Stretch Patterns

CARE AND MAINTENANCE

Cleaning the Hook Race and Feed Dogs

Replacing the Bobbin Holder

Problems and Warning Signals

Troubleshooting

Janome Jem Platinum 720 Specifications

General IconGeneral
BrandJanome
ModelJem Platinum 720
CategorySewing Machine
LanguageEnglish

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