Janome 4623 Le Plus Instruction Manual

The Janome 4623 Le Plus is a versatile mechanical sewing machine featuring 23 built-in stitches, 4-step buttonhole, drop feed for free-motion sewing, built-in needle threader, stitch length and width adjustment, reverse sewing, and free arm capability. Suitable for beginners and experienced sewers alike. 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. Buttonhole Function 8. Maintenance & Cleaning 9. Accessories 10. Safety Information 11. Troubleshooting

Features at a Glance

Key components: Mechanical sewing machine with 23 built-in stitches, free arm, built-in needle threader, stitch length/width controls, reverse lever, and drop feed mechanism.

FeatureDescription
Built-in stitches23 utility and decorative stitches including straight, zigzag, and stretch stitches
4-step buttonholeEasy-to-create perfect buttonholes
Free armFor sewing cuffs, sleeves, and other tubular items
Built-in needle threaderAutomatic needle threading for convenience
Drop feedLower feed dogs for free-motion sewing and darning
Stitch length controlAdjustable from 0-4mm
Stitch width controlAdjustable up to 5mm
Reverse sewing leverFor reinforcing seams
Bobbin winding systemBuilt-in bobbin winder with automatic stop
Presser feetIncludes zipper, buttonhole, and blind hem feet

Installation & Setup

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

  1. Remove machine from packaging: Lift carefully from carrying case.
  2. Set up workspace: Ensure adequate lighting and space for fabric handling.
  3. Connect power: Plug foot control into machine, then plug into wall outlet.
  4. Install needle: Loosen needle clamp screw, insert needle with flat side to back, tighten screw.
  5. Wind bobbin: Follow bobbin winding instructions in manual.

WARNING! Keep fingers away from needle area during operation. Always turn off when not in use.

First-Time Operation

Power on machine; follow basic threading procedure.

  1. Thread upper thread: Follow numbered threading path on machine.
  2. Insert bobbin: Remove bobbin case, insert bobbin with thread unwinding counterclockwise.
  3. Select stitch: Turn stitch selection dial to desired pattern.
  4. Adjust settings: Set stitch length and width according to fabric and stitch type.
  5. Test sew: Use scrap fabric to test stitch quality and tension.

CAUTION! Always disconnect power when changing needles or performing maintenance.

Specifications

Controls and Settings

Main controls located on front and side of machine. Stitch Selection Dial: Rotate to select desired stitch pattern. Stitch Length Dial: Adjust from 0 (for darning) to 4mm. Stitch Width Dial: Adjust zigzag and decorative stitch width up to 5mm. Reverse Lever: Hold down for reverse stitching. Drop Feed Lever: Lower feed dogs for free-motion work.

Additional Features: Built-in needle threader, thread cutter, free arm conversion, bobbin winding system, presser foot pressure adjustment.

Stitch Selection

23 built-in stitches for various sewing applications.

  1. Straight Stitch: For basic sewing, topstitching, and basting
  2. Zigzag Stitch: For finishing edges, appliqué, and stretch fabrics
  3. Blind Hem Stitch: Nearly invisible hems on garments
  4. Stretch Stitches: For knit fabrics and elastic materials
  5. Decorative Stitches: Multiple patterns for embellishment
  6. Satin Stitches: Close zigzag for decorative effects

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

Buttonhole Function

4-step buttonhole creation process.

  1. Attach buttonhole foot and mark buttonhole position on fabric.
  2. Step 1: Right side zigzag for buttonhole start
  3. Step 2: Forward bartack for front edge
  4. Step 3: Left side zigzag for buttonhole length
  5. Step 4: Reverse bartack for back edge
  6. Cut buttonhole open using seam ripper or buttonhole chisel

WARNING! Always practice on scrap fabric first. Ensure proper foot attachment.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Daily: Brush out lint from bobbin area and feed dogs
  2. Weekly: Oil moving parts as specified in manual
  3. Monthly: Clean entire machine, check for wear
  4. As needed: Replace needle after 8-10 hours of sewing

CAUTION! Unplug machine before cleaning or maintenance. Use only recommended oils.

Accessories

Standard accessories included with Janome 4623 Le Plus.

AccessoryPurpose
All-purpose footGeneral sewing
Zipper footInstalling zippers
Buttonhole footCreating buttonholes
Blind hem footNearly invisible hems
Bobbin (4)Extra bobbins for thread colors
NeedlesAssorted sizes for different fabrics
Seam ripperRemoving stitches
BrushLint removal
ScrewdriverNeedle plate removal

Safety Information

Important safety precautions for sewing machine operation.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRethread machine; adjust tension; check for burrs on needle
Skipped stitchesWrong needle/thread comboReplace needle; ensure proper size for fabric; check threading
Uneven stitchesTension issuesAdjust upper and bobbin tension; clean tension discs
Machine jamsLint buildup/thread tangleClean bobbin area; remove tangled thread; rethread
No powerPower connectionCheck wall outlet; ensure foot control plugged in; check fuse
Poor buttonholesStitch settingsEnsure proper foot attachment; adjust stitch width/length

Service: For technical support, contact Janome customer service at 1-800-631-0183 or visit www.janome.com

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