janome sewing machine manual model 344

The Janome Sewing Machine Model 344 is a versatile household sewing machine featuring multiple stitch patterns, automatic needle threading, built-in buttonholer, adjustable stitch length and width, free arm capability, drop feed for darning and quilting, built-in LED light, and easy bobbin winding system. Powered by 120V AC, 60Hz. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection 7. Threading & Bobbin 8. Maintenance & Cleaning 9. Accessories 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Sewing head with built-in stitch patterns, Free arm, Bobbin case, Stitch selection dial, Tension control, Presser foot, Needle plate with markings.

FeatureDescription
Stitch patternsMultiple built-in stitches including straight, zigzag, decorative
Automatic needle threaderEasy threading with built-in mechanism
Built-in buttonholerAutomatic one-step buttonhole function
Free arm capabilityFor sewing cuffs and tubular items
Drop feed systemFor darning, quilting, and free-motion sewing
LED work lightBuilt-in illumination for sewing area
Stitch length controlAdjustable from 0-4mm
Stitch width controlAdjustable up to 5mm for zigzag stitches
Reverse stitchBuilt-in reverse sewing function
Bobbin winding systemEasy top-loading bobbin with window

Installation & Setup

Unpack and inspect contents. Place on stable surface at comfortable working height.

  1. Remove packaging materials and protective covers from machine.
  2. Place machine on sturdy table or sewing cabinet.
  3. Connect foot control pedal to machine and power outlet.
  4. Install needle according to manual instructions.
  5. Wind bobbin and thread machine following threading diagram.

WARNING! Keep fingers away from moving parts. Always turn off power when threading or changing needles.

First-Time Operation

Power on machine; test basic functions.

  1. Select straight stitch with stitch selector dial.
  2. Place fabric under presser foot and lower foot lever.
  3. Gently press foot control to begin sewing.
  4. Practice basic stitches on scrap fabric.
  5. Test reverse stitch function for seam reinforcement.

CAUTION! Always start with needle in highest position. Keep hands clear of moving needle.

Specifications

Controls and Settings

Main controls located on front and side of machine.

Front Panel: Stitch selection dial, Stitch length control, Stitch width control, Reverse stitch button.

Side/Rear: Handwheel, Bobbin winder, Power switch, Foot control jack, Light switch.

Basic Settings: Thread tension (2-6 normal range), Presser foot pressure, Needle position adjustment, Feed dog position (up/down).

Stitch Selection

12 built-in stitches including:

  1. Straight stitch (left, center, right needle positions)
  2. Zigzag stitch
  3. 3-step zigzag
  4. Blind hem stitch
  5. Stretch stitches
  6. Decorative stitches
  7. Buttonhole stitch (one-step)

Tip: Always test stitch on scrap fabric before sewing project.

Threading & Bobbin

Proper threading essential for good stitch quality.

  1. Raise needle to highest position using handwheel.
  2. Follow numbered threading path on machine.
  3. Use automatic needle threader for easy needle threading.
  4. Wind bobbin using bobbin winding system on machine.
  5. Insert bobbin with thread running counterclockwise.
  6. Pull bobbin thread up through needle plate.

WARNING! Always turn power off when threading machine.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Clean lint from bobbin area after each project.
  2. Oil machine according to lubrication points in manual.
  3. Replace needle regularly (every 8-10 hours of sewing).
  4. Clean feed dogs with small brush.
  5. Check belt tension periodically.

CAUTION! Unplug machine before cleaning or maintenance.

Accessories

Standard accessories included:

Regulatory Information

UL listed for household use. Complies with FCC regulations for electromagnetic compatibility. Copyright © Janome America, Inc. For technical support and service, contact authorized Janome dealers or visit www.janome.com. Made for household use only.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRe-thread machine; adjust tension; check for burrs on needle.
Needle breakingWrong needle/bent needleReplace needle; ensure correct insertion; check for obstruction.
Uneven stitchesTension issuesAdjust upper and bobbin tension; re-thread completely.
Machine not runningPower/pedal issuesCheck power connection; test foot control; check fuse.
Fabric not feedingFeed dogs loweredRaise feed dogs; clean feed dog area; check presser foot pressure.

Service: Contact authorized Janome service center for repairs.

Support: www.janome.com or 1-800-631-0183

Janome Sewing Machine Model 344 User Manual © - All Rights Reserved 2025