Janome Model 344 Manual

The Janome Model 344 is a versatile sewing machine designed for home use, featuring multiple stitch patterns, automatic needle threading, adjustable stitch length and width, built-in buttonholer, free arm capability, drop feed for darning and quilting, and variable speed control. Powered by standard household electricity with built-in LED lighting. 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. Maintenance & Cleaning 8. Accessories 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Built-in stitch patterns, automatic needle threader, free arm, drop feed mechanism, LED work light, built-in buttonholer.

FeatureDescription
Built-in stitches34 built-in stitch patterns including utility and decorative
Automatic needle threaderEasy threading with push-pull mechanism
Free armFor sewing cuffs and sleeves
Drop feedFor darning, quilting, and free-motion sewing
LED work lightBright illumination of sewing area
Built-in buttonholerOne-step automatic buttonholes
Stitch length controlAdjustable from 0-4mm
Stitch width controlAdjustable up to 5mm
Variable speed controlFoot pedal with speed adjustment
Reverse stitchFor securing stitches at beginning and end

Installation & Setup

Unpack and inspect contents. Place on stable sewing table.

  1. Remove packaging materials and protective covers
  2. Place machine on flat, stable surface at comfortable height
  3. Connect foot pedal to machine and plug into power outlet
  4. Install needle following arrow direction
  5. Wind bobbin and thread machine according to threading diagram

WARNING! Keep fingers away from needle area during operation. Always turn off when threading or changing accessories.

First-Time Operation

Power on machine; test basic functions.

  1. Turn power switch to ON position
  2. Select straight stitch pattern
  3. Place scrap fabric under presser foot
  4. Lower presser foot and gently press foot pedal to sew
  5. Practice basic stitches and reverse function
  6. Test automatic needle threader

CAUTION! Always use proper needle for fabric type. Replace bent or damaged needles immediately.

Specifications

Controls and Settings

Main control panel: Stitch selection dial, stitch length dial, stitch width dial, reverse button.

Basic Controls: Power switch, foot pedal, presser foot lever, hand wheel, bobbin winder.

Stitch Selection: Rotate dial to choose from 34 patterns. Stitch Length: Adjust for fabric thickness (0-4mm). Stitch Width: Adjust for decorative stitches (up to 5mm). Reverse: Hold button for backstitching. Tension: Adjust upper thread tension dial (2-6 recommended).

Stitch Selection

34 built-in stitches including straight, zigzag, stretch, and decorative patterns.

  1. Straight Stitch: Basic sewing (positions 1-3)
  2. Zigzag Stitch: Overcasting and appliqué (positions 4-8)
  3. Blind Hem: Nearly invisible hems (position 9)
  4. Stretch Stitches: For knit fabrics (positions 10-15)
  5. Decorative Stitches: Ornamental patterns (positions 16-34)
  6. Buttonhole: One-step automatic (special position)

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

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Unplug machine before cleaning
  2. Remove needle plate and clean lint buildup
  3. Oil moving parts as indicated in manual (use sewing machine oil only)
  4. Wipe exterior with soft, dry cloth
  5. Replace needle regularly (every 8-10 hours of sewing)
  6. Check bobbin case for lint accumulation

CAUTION! Never use compressed air to clean machine as it can force lint deeper into mechanism.

Accessories

Standard accessories included with Janome Model 344.

AccessoryPurpose
All-purpose footGeneral sewing
Zipper footInstalling zippers
Buttonhole footAutomatic buttonholes
Blind hem footNearly invisible hems
Bobbins (class 15)Thread supply
Needles (assorted)Different fabric types
Seam ripperRemoving stitches
BrushCleaning lint
ScrewdriverAdjustments

Regulatory Information

UL listed for household use. Complies with international safety standards. Copyright © 2025 Janome. For technical support and service, contact authorized Janome dealers or visit www.janome.com. Serial number located on machine base.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRethread machine; adjust tension; check for burrs on needle
Skipped stitchesWrong needle/damaged needleReplace needle; ensure correct needle type for fabric
Uneven stitchesIncorrect tensionAdjust upper and bobbin tension; rethread
Machine jamsThread buildupRemove needle plate and clean lint; check bobbin area
No powerPower connectionCheck power cord; ensure outlet is working; check fuse
Needle breaksBent needle/wrong sizeReplace needle; ensure needle is inserted correctly
Fabric not feedingFeed dogs loweredRaise feed dogs; check presser foot pressure

Service: Contact authorized Janome service center for repairs. Do not attempt to repair electrical components.

Janome Model 344 Manual © - All Rights Reserved 2025