Janome 393 Manual

The Janome 393 is a versatile sewing machine designed for home use, featuring multiple stitch patterns, automatic needle threading, adjustable stitch length and width, built-in buttonhole function, free arm capability, drop feed for free-motion sewing, and easy bobbin winding system. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Stitch selection dial, stitch length control, stitch width control, reverse stitch button, bobbin winder, free arm, built-in light, foot pedal, and accessory storage.

Feature	Description
Stitch selection dial	Select from multiple built-in stitch patterns
Stitch length control	Adjust stitch length from 0-4mm
Stitch width control	Adjust stitch width from 0-5mm
Reverse stitch button	Reinforce stitching at beginning and end
Bobbin winder	Automatic bobbin winding system
Free arm	For sewing cylindrical items like sleeves
Built-in light	Illuminates work area
Foot pedal	Controls sewing speed
Accessory storage	Built-in compartment for feet and accessories
Automatic needle threader	Easy needle threading system

Installation & Setup

Unpack and inspect contents. Place on stable surface.

1. Remove machine from packaging: Lift carefully from case.
2. Install foot pedal: Connect to power port on machine.
3. Plug into power outlet: Use provided power cord.
4. Install needle: Loosen needle clamp screw, insert needle with flat side to back.
5. Wind bobbin: Follow bobbin winding instructions.

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

First-Time Operation

Power on machine; follow setup steps.

1. Thread machine: Follow threading diagram on machine.
2. Insert bobbin: Place bobbin in case with thread unwinding counterclockwise.
3. Select stitch: Turn dial to desired stitch pattern.
4. Adjust settings: Set stitch length and width as needed.
5. Test sew: Use scrap fabric to test stitching.

CAUTION! Always start with needle in highest position. Use proper presser foot for selected stitch.

Specifications

• Stitch Patterns: 23 built-in stitches including utility, decorative, and stretch
• Stitch Length: 0-4mm adjustable
• Stitch Width: 0-5mm adjustable
• Buttonholes: 4-step built-in buttonhole
• Needle System: HAx1 standard domestic needles
• Bobbin: Class 15 transparent bobbin
• Free Arm: Yes, removable accessory storage
• Lighting: Built-in LED light
• Power Source: 110-120V AC, 60Hz
• Warranty: 25-year limited warranty

Controls and Settings

Main controls located on front and top of machine.

Front Panel: Stitch selection dial, stitch length control, stitch width control, reverse stitch button, bobbin winder.

Stitch Selection: Turn dial to select from 23 built-in stitches. Stitch Length: Adjust for shorter or longer stitches. Stitch Width: Adjust for zigzag and decorative stitches. Reverse: Hold button for reinforcement stitching. Bobbin Winding: Push bobbin to right position for winding.

Stitch Selection

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

1. Straight Stitch: For basic sewing (position 1)
2. Zigzag Stitch: For finishing edges and appliqué
3. Blind Hem: For nearly invisible hems
4. Stretch Stitches: For knit fabrics
5. Decorative Stitches: Multiple pattern options
6. Buttonhole: 4-step process for perfect buttonholes

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

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

1. Clean lint: Remove needle plate and clean bobbin area regularly
2. Oil machine: Use sewing machine oil as directed in manual
3. Change needle: Replace needle after every project or if damaged
4. Check belt: Ensure drive belt is properly tensioned

CAUTION! Always unplug machine before cleaning or maintenance.

Accessories

Standard accessories included with Janome 393.

Accessory	Use
All-purpose foot	General sewing
Zipper foot	Installing zippers
Buttonhole foot	Creating buttonholes
Blind hem foot	Hemming garments
Seam ripper	Removing stitches
Brush	Cleaning lint
Needles	Spare needles
Bobbins	Extra bobbins

Regulatory Information

UL Listed: Complies with UL safety standards. 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

Symptom	Possible Cause	Corrective Action
Machine not running	Power connection	Check power cord; ensure machine is plugged in; check foot pedal connection
Thread breaking	Tension/needle	Re-thread machine; check needle for damage; adjust tension
Uneven stitches	Threading/tension	Re-thread upper and lower threads; clean bobbin area; adjust tension
Fabric not feeding	Feed dogs	Check feed dog position; clean feed dogs; check presser foot pressure
Needle breaking	Installation/fabric	Ensure needle properly inserted; use correct needle for fabric; avoid pulling fabric

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