Janome 4900 Manual

The Janome 4900 is a computerized sewing machine featuring 30 built-in stitches, one-step buttonhole, automatic needle threader, drop feed for free-motion sewing, built-in thread cutter, adjustable stitch length and width, top-loading bobbin system, and multiple presser feet. Powered by standard household electrical outlet. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: Computerized control panel, automatic needle threader, top-loading bobbin system, built-in stitch patterns, one-step buttonhole, free arm capability.

Feature	Description
Built-in stitches	30 utility and decorative stitches
One-step buttonhole	Automatic buttonhole sizing and stitching
Automatic needle threader	Easy threading with push-pull mechanism
Top-loading bobbin	Easy bobbin insertion and monitoring
Drop feed	Free-motion sewing capability
Built-in thread cutter	Convenient thread cutting on machine
Stitch length/width adjustment	Customizable stitch settings
Free arm	For sewing sleeves and hard-to-reach areas
Reverse stitch	Reinforce seam beginnings and endings
LED work light	Illuminates sewing area

Installation & Setup

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

1. Remove packaging materials and protective covers.
2. Attach foot controller to machine and power cord to outlet.
3. Install needle: Loosen needle clamp screw, insert needle with flat side to back, tighten screw.
4. Wind bobbin: Place thread on spool pin, follow threading guide, wind bobbin.
5. Insert bobbin: Place bobbin in case with thread counterclockwise, pull thread through slot.
6. Thread upper thread: Follow numbered threading path, use automatic needle threader.

WARNING! Always unplug machine when not in use or when performing maintenance.

Basic Operation

Power on machine; select desired stitch and settings.

1. Select stitch: Use stitch selection dial or buttons to choose pattern.
2. Adjust settings: Set stitch length (0-4mm) and width (0-5mm) as needed.
3. Position fabric: Lower presser foot, position fabric under needle.
4. Begin sewing: Press foot controller gently to start stitching.
5. Reverse stitching: Hold reverse button to reinforce seams.
6. Cut threads: Use built-in thread cutter or scissors.

CAUTION! Keep fingers away from moving needle. Always use correct presser foot for selected stitch.

Specifications

• Stitches: 30 built-in stitches including utility, decorative, and stretch
• Buttonhole: One-step automatic buttonhole
• Stitch Length: Adjustable 0-4mm
• Stitch Width: Adjustable 0-5mm
• Needle Positions: Multiple needle positions available
• Bobbin: Top-loading, jam-resistant
• Presser Feet: Multiple included feet for different functions
• Power Source: Standard household electrical outlet
• Machine Weight: Approximately 15.4 lbs (7 kg)
• Warranty: 25-year limited warranty

Controls and Functions

Access all functions via control panel and mechanical dials.

Control Panel: Stitch selection buttons, stitch length/width controls, reverse stitch button, needle up/down button.

Mechanical Controls: Stitch pattern dial, handwheel, bobbin winder, presser foot lever, feed dog lever.

Stitch Settings: Length (0-4mm), width (0-5mm), pattern selection. Tension: Automatic thread tension control. Special Functions: Needle threader, thread cutter, free arm conversion.

Stitch Selection

30 built-in stitches for various sewing applications.

1. Utility Stitches: Straight stitch, zigzag, stretch stitches for seams
2. Decorative Stitches: Multiple decorative patterns for embellishment
3. Blind Hem: Special stitch for nearly invisible hems
4. Overcast: Prevents fabric edges from fraying
5. Elastic Stitches: For knit and stretch fabrics

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

Buttonhole Function

One-step automatic buttonhole for perfect buttonholes every time.

1. Attach buttonhole foot and position fabric.
2. Select buttonhole stitch on control panel.
3. Place button in buttonhole foot to automatically size buttonhole.
4. Lower presser foot and start sewing - machine completes entire buttonhole automatically.
5. Reinforce beginning and end with few reverse stitches.

WARNING! Always use buttonhole foot for buttonhole function. Do not force fabric through machine.

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

1. Cleaning: Remove lint and dust from bobbin area and feed dogs regularly
2. Oiling: Apply sewing machine oil to designated points as per manual
3. Needle Replacement: Change needle regularly (every 8-10 hours of sewing)
4. Storage: Cover machine when not in use to prevent dust accumulation
5. Professional Service: Annual professional servicing recommended

CAUTION! Always unplug machine before cleaning or maintenance.

Accessories

Standard accessories included with Janome 4900.

Accessory	Purpose
All-purpose foot	General sewing
Zipper foot	Installing zippers
Buttonhole foot	Automatic buttonholes
Blind hem foot	Nearly invisible hems
Overedge foot	Preventing fabric fraying
Bobbin (extra)	Additional bobbins
Needles	Replacement needles
Seam ripper	Removing stitches
Brush	Cleaning lint
Screwdriver	Needle plate removal

Safety Information

Important safety precautions for operating sewing machine.

• Always unplug machine when not in use or during maintenance
• Keep fingers away from moving needle and mechanical parts
• Use proper needle and thread for fabric type
• Do not operate with damaged power cord
• Keep machine away from water and moisture
• Supervise children when machine is in use
• Use correct presser foot for selected stitch
• Do not force machine - let it sew at its own pace

Troubleshooting

Symptom	Possible Cause	Corrective Action
Needle breaks	Wrong needle/bent needle	Replace needle; ensure correct type for fabric
Thread bunching	Incorrect threading/tension	Re-thread machine; check bobbin threading; adjust tension
Skipped stitches	Dull needle/wrong needle	Replace needle; use correct needle type
Machine won't start	Power/controller issue	Check power connection; ensure foot controller is plugged in
Uneven stitches	Tension issues	Adjust upper and lower thread tension
Fabric not feeding	Feed dogs lowered	Raise feed dogs; clean feed dog area
Noisy operation	Lint buildup/needs oiling	Clean and oil machine; check for obstructions

Service: Contact authorized Janome service center for repairs. Warranty: 25-year limited warranty.

Support: Visit www.janome.com or contact customer service at 1-800-631-0183