Janome Memory Craft 4900QC Sewing Machine Manual

The Janome Memory Craft 4900QC is a computerized sewing machine with 50 built-in stitches, automatic needle threader, one-step buttonhole, drop feed for free-motion sewing, speed control, built-in thread cutter, and memory function for stitch patterns. Features include LCD screen display, reverse stitch button, start/stop button, and knee lifter. Powered by 120V AC, 60Hz. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation and Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection and Memory 7. Advanced Functions 8. Maintenance and Care 9. Accessories 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD display, automatic needle threader, stitch selection dial, reverse stitch button, start/stop button, speed control slider, thread cutter, bobbin winding system.

Feature	Description
Automatic needle threader	Easily threads needle with lever mechanism
LCD screen	Displays selected stitch, length, width and settings
50 built-in stitches	Includes utility, decorative, and stretch stitches
One-step buttonhole	Automatically creates perfect buttonholes
Drop feed	Lowers feed dogs for free-motion sewing
Speed control slider	Adjusts maximum sewing speed
Built-in thread cutter	Cuts top and bobbin threads with button
Memory function	Stores custom stitch combinations
Knee lifter	Raises presser foot using knee control
Start/stop button	Sews without foot control

Installation and Setup

Unpack and inspect contents. Place on stable sewing table.

Remove machine from packaging: Lift from carrying case using handles.
Install foot control: Plug into machine port and electrical outlet.
Wind bobbin: Follow bobbin winding diagram in manual.
Insert bobbin: Drop-in bobbin system with clear cover.
Thread machine: Follow numbered threading path with automatic needle threader.

WARNING! Machine is heavy; use both hands when lifting. Ensure stable surface before operation.

First-Time Operation

Plug in machine; follow setup procedure.

Power on: Switch located on right side of machine.
Select stitch: Turn stitch selection dial to desired pattern.
Adjust settings: Use stitch length and width dials as needed.
Test sew: Use scrap fabric to check tension and stitch quality.
Practice functions: Try automatic needle threader, thread cutter, and reverse.

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

Specifications

Stitches: 50 built-in stitches including utility, decorative, and stretch
Buttonholes: One-step automatic buttonhole
Needle Positions: Adjustable left/right needle position
Stitch Length: Up to 5mm maximum
Stitch Width: Up to 7mm maximum
Presser Feet: 6 included snap-on feet
Bobbin: Jam-resistant drop-in bobbin system
Lighting: LED work light
Power Source: 120V AC, 60Hz
Warranty: 25-year limited warranty

Controls and Settings

Main controls located on front and right side of machine. LCD display shows current settings.

Front Panel: Stitch selection dial, stitch length dial, stitch width dial, reverse stitch button, needle up/down button.

Right Side: Power switch, speed control slider, start/stop button, thread cutter button.

Basic Settings: Stitch selection (1-50), stitch length (0-5), stitch width (0-7), needle position (left/center/right). Memory: Store custom stitch combinations for quick recall. Buttonhole: Automatic one-step with sensor.

Stitch Selection and Memory

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

Select stitch: Turn dial to desired number (1-50).
Adjust length/width: Use respective dials for customization.
Memory function: Press MEMORY button to save current stitch settings.
Recall memory: Press RECALL to use saved stitch combinations.
Buttonhole: Select buttonhole stitch; follow automatic procedure.

Tip: Test new stitches on scrap fabric before sewing project.

Advanced Functions

Advanced features for experienced sewing.

Automatic needle threader: Push lever down and through needle eye.
Drop feed: Lower feed dogs for quilting and free-motion work.
Knee lifter: Attach for hands-free presser foot lifting.
Start/stop: Sew without foot control for precise speed management.
Thread cutter: Press button to cut top and bobbin threads automatically.
Needle up/down: Set preferred needle stop position.
Speed control: Limit maximum sewing speed for delicate fabrics.

WARNING! Always raise needle to highest position before changing presser foot.

Maintenance and Care

Regular maintenance ensures optimal performance.

Cleaning: Remove lint from bobbin area and feed dogs regularly.
Oiling: Apply sewing machine oil to designated points monthly.
Needle replacement: Change needle every 8-10 hours of sewing.
Cover: Use dust cover when not in use.

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

Accessories

Included accessories: 6 snap-on presser feet, assorted needles, bobbins, seam ripper, lint brush, screwdriver, knee lifter.

Accessory	Use
All-purpose foot	General sewing
Zipper foot	Zippers and piping
Buttonhole foot	Automatic buttonholes
Overedge foot	Overcasting and finishing edges
Blind hem foot	Invisible hemming
Satin stitch foot	Decorative satin stitching

Regulatory Information

UL listed; complies with FCC standards. Copyright © Janome America, Inc. For technical support and service, contact authorized Janome dealers. Warranty registration required within 10 days of purchase. Made in Taiwan. Service centers located throughout United States and Canada.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection	Check power cord; ensure switch is on; test outlet.
Poor stitch quality	Threading/tension	Rethread completely; check bobbin; adjust tension.
Thread breaking	Needle/thread issues	Replace needle; use quality thread; check threading path.
Fabric not feeding	Feed dogs	Ensure feed dogs are raised; check presser foot pressure.
Needle threader not working	Position/obstruction	Ensure needle in highest position; check for thread jam.
Unusual noise	Lint/mechanical	Clean bobbin area; check for obstructions; oil if needed.

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

Service: Contact authorized Janome service center; 1-800-631-0183