Janome 1100D Serger Manual

The Janome 1100D is a professional-grade serger sewing machine featuring 2/3/4 thread capability, differential feed, rolled hemming, easy threading system, built-in rolled hem foot, color-coded threading guides, free arm capability, built-in thread cutter, and adjustable stitch length and width. Powered by 120V AC, 60Hz. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Differential feed system, color-coded threading guides, built-in rolled hem foot, free arm, stitch length/width dials, tension control dials.

Installation & Setup

Unpack and inspect contents. Place on stable sewing surface.

1. Remove packaging materials and protective covers
2. Position machine on flat, stable surface at comfortable height
3. Connect foot control pedal to machine
4. Plug power cord into AC outlet
5. Install needles following color-coded guides
6. Thread machine following color-coded system

WARNING! Keep fingers away from moving parts during operation. Always disconnect power when threading or changing needles.

First-Time Operation

Power on serger; test on scrap fabric first.

1. Thread machine following color-coded guides (yellow, blue, green, red)
2. Set stitch selector to desired stitch type
3. Adjust stitch length and width dials
4. Set differential feed according to fabric type
5. Test stitch on scrap fabric of same material
6. Adjust tension dials if needed for balanced stitch

CAUTION! Always start with scrap fabric to test settings. Keep work area well-lit and organized.

Specifications

• Machine Type: 2/3/4 Thread Serger
• Stitch Types: Overlock, rolled hem, flatlock, decorative
• Stitch Length: 1-4mm adjustable
• Stitch Width: 3-7mm adjustable
• Differential Feed: 0.7-2.0 ratio
• Speed: Up to 1300 stitches per minute
• Needles: Standard sewing machine needles
• Thread: Standard serger cones
• Power Source: 120V AC, 60Hz
• Weight: Approximately 15.4 lbs (7 kg)

Controls and Settings

Main controls located on front and side panels. Stitch selector, length/width dials, tension controls, differential feed dial.

Front Panel: Stitch selector lever, stitch length dial, stitch width dial, upper knife disengagement lever.

Stitch Length: 1-4mm adjustment for different fabric types. Stitch Width: 3-7mm for various seam finishes. Differential Feed: Adjust from 0.7-2.0 for stretch or delicate fabrics. Tension Dials: Four individual dials for balanced stitching.

Threading Instructions

Follow color-coded threading system for proper operation.

1. Raise presser foot and needle to highest position
2. Follow color-coded guides (yellow, blue, green, red)
3. Thread upper looper (yellow guide) first
4. Thread lower looper (blue guide) second
5. Thread right needle (green guide) if using 3/4 thread
6. Thread left needle (red guide) for 4-thread safety stitch
7. Pull threads under presser foot toward back

Tip: Always thread with presser foot raised to open tension discs.

Stitch Selection

Multiple stitch options for various sewing applications.

1. 2-Thread Overlock: For lightweight fabrics and rolled hems
2. 3-Thread Overlock: General purpose serging
3. 4-Thread Safety Stitch: Strong seams for heavy fabrics
4. Rolled Hem: Narrow finished edge for delicate fabrics
5. Flatlock: Decorative seam for sportswear
6. Differential Feed Settings: Normal (1.0), Gathering (>1.0), Stretching (<1.0)

WARNING! Always test stitch on scrap fabric before sewing project. Adjust tensions for balanced stitches.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

1. Unplug machine before cleaning
2. Remove lint buildup with brush after each use
3. Oil machine according to maintenance schedule
4. Wipe exterior with soft, dry cloth
5. Check needles for damage regularly
6. Have professional service annually

CAUTION! Never use compressed air for cleaning. Use only recommended lubricants.

Safety Information

Always follow safety guidelines to prevent injury.

• Disconnect power when not in use
• Keep fingers away from moving needles
• Use proper lighting in work area
• Keep hair and loose clothing secured
• Do not operate if cord is damaged
• Supervise children near operating machine

Regulatory Information

UL Listed: Complies with UL 1278 standard. FCC Part 15: Class B digital device. Copyright © 2025 Janome; trademarks of Janome America, Inc. For technical support, visit www.janome.com or contact 1-800-631-0183.

Troubleshooting

Service: 1-800-631-0183; www.janome.com