Janome MC9900 Manual

The Janome MC9900 is a high-performance computerized sewing machine featuring 200 built-in stitches, automatic needle threader, one-step buttonhole, drop feed for free-motion sewing, built-in memory for custom stitch patterns, speed control slider, start/stop button, reverse stitch button, needle up/down function, and LCD display. Powered by standard household electrical outlet. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: LCD display, stitch selection dial, automatic needle threader, bobbin winding system, feed dog control, free arm, accessory compartment.

Feature	Description
Built-in stitches	200 stitches including utility, decorative, and quilting stitches
Automatic needle threader	Easy threading with push-button mechanism
One-step buttonhole	Automatic buttonhole creation with consistent results
Drop feed	Free-motion sewing capability
LCD display	Shows stitch selection and settings
Memory function	Store custom stitch combinations
Speed control slider	Adjustable sewing speed
Start/stop button	Sew without foot pedal
Reverse stitch button	Secure stitching at beginning and end
Needle up/down	Programmable needle position

Installation & Setup

Unpack and inspect contents. Place on stable sewing table.

1. Remove packaging materials and protective covers.
2. Install foot controller: Plug into machine port.
3. Connect power: Plug power cord into machine and electrical outlet.
4. Install needle: Loosen needle clamp screw, insert needle with flat side to back.
5. Wind bobbin: Place bobbin on winder, thread through tension disc.
6. Insert bobbin: Drop bobbin into case with thread unwinding counterclockwise.

WARNING! Keep fingers away from needle area during operation. Always turn off power when threading or changing accessories.

First-Time Operation

Power on machine; follow setup procedure.

1. Thread machine: Use automatic needle threader for upper threading.
2. Pull up bobbin thread: Hold upper thread, turn handwheel toward you.
3. Select stitch: Turn stitch selection dial to desired pattern.
4. Adjust settings: Use LCD display to modify stitch length and width.
5. Test sew: Use scrap fabric to test stitch quality.
6. Practice basic stitches: Begin with straight stitch and zigzag.

CAUTION! Always use proper needle for fabric type. Replace bent or damaged needles immediately.

Specifications

• Stitches: 200 built-in stitches
• Buttonholes: 7 one-step automatic buttonholes
• Needle Positions: Adjustable left/right needle position
• Stitch Length: 0-5mm adjustable
• Stitch Width: 0-7mm adjustable
• Maximum Sewing Speed: 820 stitches per minute
• Presser Feet: 7 included presser feet
• Bobbin: Top-loading, jam-resistant bobbin system
• Display: LCD with stitch information
• Power Requirements: 110V, 60Hz (standard household)

Controls and Functions

Access functions via control panel and LCD display. Front Panel: Power switch, stitch selection dial, reverse stitch button, needle up/down button.

LCD Display: Shows selected stitch number, stitch length, stitch width, recommended presser foot.

Stitch Adjustment: Stitch length dial (0-5mm), stitch width dial (0-7mm). Special Functions: Mirror image, memory save/recall, automatic thread cutter. Feed Dog: Drop feed lever for free-motion sewing. Bobbin: Top-loading with clear cover.

Stitch Selection

200 built-in stitches organized by category:

1. Utility Stitches: Straight, zigzag, stretch, overcast
2. Decorative Stitches: Scallops, leaves, flowers, geometric patterns
3. Quilting Stitches: Stippling, feather, echo quilting
4. Alphabet Stitches: Block and script letters for monogramming
5. Buttonholes: 7 one-step styles including keyhole and stretch

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

Advanced Features

Memory Function: Store up to 30 custom stitch combinations.

1. Select stitches and settings
2. Press memory save button
3. Assign memory number
4. Recall with memory recall button

Mirror Image: Create symmetrical patterns. Automatic Thread Cutter: Cut threads at touch of button. Needle Threader: Push lever down and hook thread through needle eye. Speed Control: Adjust maximum sewing speed with slider.

WARNING! Always test memory stitches on scrap fabric before using on project.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

1. Daily: Brush out lint from bobbin area and feed dogs
2. Weekly: Oil hook race and moving parts (use sewing machine oil only)
3. Monthly: Clean tension discs with folded fabric strip
4. As needed: Replace needle after 8-10 hours of sewing

CAUTION! Unplug machine before cleaning or maintenance. Use only Janome-approved accessories and lubricants.

Accessories

Included with Janome MC9900:

Accessory	Purpose
All-purpose foot	General sewing
Zigzag foot	Decorative stitches
Buttonhole foot	Automatic buttonholes
Zipper foot	Installing zippers
Overedge foot	Finishing seam edges
Blind hem foot	Invisible hemming
Satin stitch foot	Dense decorative stitches
Additional needles	Various sizes and types
Bobbin (4)	Extra bobbins
Screwdriver	Needle and foot changes

Warranty Information

Janome MC9900 comes with 25-year limited warranty on mechanical parts and 5-year limited warranty on electronic components. Warranty covers defects in materials and workmanship under normal household use. Registration required within 10 days of purchase. For service, contact authorized Janome dealer or visit www.janome.com. Keep original receipt for warranty claims.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Needle breaks	Wrong needle/bent needle	Replace with correct needle type; ensure needle inserted properly.
Thread bunching	Incorrect threading/tension	Re-thread machine completely; check bobbin threading; adjust tension.
Skipped stitches	Dull needle/wrong needle	Replace needle; use correct needle for fabric type.
Machine won't start	Power/pedal connection	Check power cord; ensure foot pedal plugged in; check power outlet.
Uneven stitches	Tension issues	Clean tension discs; re-thread; adjust upper tension dial.
Bobbin thread showing on top	Upper tension too loose	Increase upper tension; ensure presser foot is down when sewing.

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

Service: Contact authorized Janome dealer or 1-800-631-0183; www.janome.com