Janome 4000 Sewing Machine Manual

The Janome 4000 is a computerized sewing machine featuring 40 built-in stitches, one-step buttonhole, automatic needle threader, drop feed for free-motion sewing, adjustable stitch length and width, built-in thread cutter, speed control slider, and LCD screen display. Powered by standard household electrical outlet. 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. Basic Sewing Operations 8. Maintenance & Cleaning 9. Accessories 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Computerized control panel, LCD display, automatic needle threader, drop-in bobbin system, built-in thread cutter, free arm capability.

FeatureDescription
Built-in stitches40 stitches including utility, decorative, and stretch
One-step buttonholeAutomatic buttonhole sizing and stitching
Automatic needle threaderEasy threading with built-in mechanism
Drop feedFor free-motion sewing and quilting
LCD screenDisplays stitch selection and settings
Speed control sliderAdjustable sewing speed
Built-in thread cutterConvenient thread cutting on machine
Free armFor sewing cuffs and tubular items
Reverse stitch buttonFor reinforcing stitches
Bobbin warning indicatorAlerts when bobbin thread is low

Installation & Setup

Unpack and inspect contents. Place on stable, level surface.

  1. Remove all packaging materials and protective covers.
  2. Place machine on sturdy table or sewing cabinet.
  3. Connect foot control pedal to machine port.
  4. Plug power cord into machine and electrical outlet.
  5. Install needle following threading direction arrow.
  6. Wind and insert bobbin into drop-in bobbin case.

WARNING! Keep fingers away from needle area during operation. Always turn off and unplug for maintenance.

First-Time Operation

Power on machine; follow setup procedures.

  1. Thread machine: Follow numbered threading path on machine.
  2. Use automatic needle threader: Push lever down to thread needle.
  3. Select stitch: Use stitch selection dial or buttons.
  4. Adjust stitch length/width: Use corresponding controls.
  5. Test sew on scrap fabric before starting project.
  6. Practice basic stitches and buttonhole function.

CAUTION! Always start with new needle appropriate for fabric type. Use proper thread tension.

Specifications

Controls and Settings

Access functions via control panel buttons and dials. Main Controls: Power switch, stitch selection dial, reverse button, needle up/down, speed control slider.

Display: LCD shows selected stitch number, recommended foot, stitch length/width settings.

Stitch Adjustment: Length control (0-5mm), width control (0-7mm). Special Functions: Automatic needle threader, thread cutter, drop feed lever, bobbin winding function.

Stitch Selection

40 built-in stitches categorized by function:

  1. Utility stitches: Straight, zigzag, stretch, blind hem
  2. Decorative stitches: Multiple patterns for embellishment
  3. Buttonhole: One-step automatic sizing
  4. Overcasting: For seam finishing
  5. Quilting: Special stitches for quilt projects

Tip: Refer to stitch chart for recommended uses and settings.

Basic Sewing Operations

Step-by-step sewing procedures:

  1. Raise presser foot and insert fabric under foot.
  2. Lower presser foot and begin sewing with foot control.
  3. Guide fabric gently; don't push or pull.
  4. Use reverse stitch at beginning and end for reinforcement.
  5. For corners: Stop with needle down, lift presser foot, pivot fabric.
  6. Use built-in thread cutter when finished sewing.
  7. For buttonholes: Mark position, select buttonhole stitch, follow automatic sequence.

WARNING! Always turn handwheel toward you; never force machine.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Unplug machine before cleaning.
  2. Remove needle plate and clean lint from bobbin area.
  3. Oil machine as indicated in manual (specific points only).
  4. Wipe exterior with soft, dry cloth.
  5. Replace needle regularly (every 8-10 hours of sewing).
  6. Use compressed air to remove dust from internal mechanisms.

CAUTION! Never use compressed air on electronic components. Use only recommended lubricants.

Accessories

Included accessories and their uses:

AccessoryUse
All-purpose footGeneral sewing
Zipper footInstalling zippers
Buttonhole footAutomatic buttonholes
Blind hem footHemming garments
Overedge footSeam finishing
Bobbin (extra)Additional bobbins
NeedlesAssorted sizes
Seam ripperRemoving stitches
BrushCleaning lint
ScrewdriverNeedle plate removal

Regulatory Information

UL Listed: Certified for electrical safety in United States and Canada. FCC Compliance: Meets electromagnetic interference standards. Copyright © Janome America, Inc. All rights reserved. For technical support, contact Janome customer service at 1-800-631-0183 or visit www.janome.com.

Troubleshooting

SymptomPossible CauseCorrective Action
Machine won't startPower connectionCheck power cord connections; ensure foot control is plugged in.
Thread breakingTension/needle issuesRethread machine; check needle for damage; adjust tension.
Skipped stitchesNeedle problemsReplace needle; ensure correct needle type for fabric.
Bobbin issuesInsertion/windingReinsert bobbin ensuring correct direction; rewind bobbin evenly.
Uneven stitchesTension/threadingRethread both top and bobbin threads; clean tension discs.
Buttonhole problemsFoot placementEnsure buttonhole foot is properly attached; use stabilizer.
Machine jamsThread buildupTurn off, unplug, remove needle plate and clear thread jam.

Reset: Turn machine off and on to reset computer functions.

Service: 1-800-631-0183; www.janome.com for authorized service centers.

Janome 4000 Sewing Machine Manual © - All Rights Reserved 2025