Janome 3160QDC Instruction Manual

The Janome 3160QDC is a computerized sewing machine featuring 60 built-in stitches, one-step buttonhole, automatic needle threader, drop feed for free-motion sewing, adjustable stitch length and width, built-in thread cutter, top loading bobbin system, and speed control slider. Powered by standard household outlet. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Machine Setup 3. Basic Operation 4. Specifications 5. Controls and Functions 6. Stitch Selection 7. Maintenance & Cleaning 8. Accessories 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: Computerized control panel, automatic needle threader, drop feed lever, stitch selection dial, bobbin winding system, foot pedal, accessory storage.

Feature	Description
Built-in stitches	60 utility, decorative, and stretch stitches
One-step buttonhole	Automatic buttonhole creation
Automatic needle threader	Easy threading with push lever
Drop feed	Free-motion sewing capability
Top loading bobbin	Easy bobbin insertion and monitoring
Speed control slider	Adjustable sewing speed
Stitch length/width	Adjustable settings for customization
Built-in thread cutter	Convenient thread cutting on machine
Reverse stitch	Reinforce seams with reverse button
Needle up/down	Programmable needle position

Machine Setup

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

Remove machine from packaging: Lift carefully from carrying case.
Connect foot pedal: Plug into machine's foot control port.
Connect power: Plug power cord into machine and wall outlet.
Install needle: Loosen needle clamp screw, insert needle with flat side to back.
Wind bobbin: Follow bobbin winding instructions in manual.

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

Basic Operation

Power on machine; follow threading diagram.

Thread machine: Follow numbered threading path; use automatic needle threader.
Insert bobbin: Place bobbin in case with thread unwinding counterclockwise.
Select stitch: Turn stitch selection dial to desired pattern.
Adjust settings: Set stitch length and width as needed.
Begin sewing: Place fabric under presser foot, lower foot, press pedal gently.

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

Specifications

Stitches: 60 built-in stitches including utility, decorative, and stretch
Buttonhole: One-step automatic buttonhole
Needle Threading: Automatic needle threader
Bobbin System: Top loading, jam-resistant
Stitch Length: Adjustable up to 5mm
Stitch Width: Adjustable up to 7mm
Presser Feet: 6 included snap-on feet
Power Source: Standard household outlet
Warranty: 25-year limited warranty

Controls and Functions

Access functions via control panel and dials. Front Panel: Power switch, stitch selection dial, stitch width/length controls, reverse button.

Control Panel: Stitch pattern display, speed control slider, automatic needle threader lever, bobbin winding button.

Stitch Settings: Length (0-5mm), Width (0-7mm), pattern selection. Special Functions: Reverse stitch, needle up/down, drop feed, thread cutter. Display: Shows selected stitch pattern and number.

Stitch Selection

60 built-in stitches for various fabrics and projects.

Turn stitch selection dial to choose pattern.
Consult stitch chart for recommended uses.
Adjust length and width for fabric type.
Test stitch on scrap fabric first.
For buttonholes: Select buttonhole stitch, place button in foot, follow automatic sequence.

Tip: Use straight stitch for seams, zigzag for finishing edges, decorative stitches for embellishments.

Maintenance & Cleaning

Unplug machine before maintenance. Regular cleaning ensures optimal performance.

Remove needle plate: Use screwdriver to access bobbin area.
Clean lint: Use brush to remove lint from bobbin case and feed dogs.
Oil machine: Apply sewing machine oil to designated points only.
Replace needle: Change needle after every project or 8 hours of sewing.

CAUTION! Never use compressed air for cleaning. Use only recommended sewing machine oil.

Accessories

Included accessories: 6 snap-on presser feet, assorted needles, bobbins, seam ripper, brush, screwdriver, spool caps.

Accessory	Use
All-purpose foot	General sewing
Zipper foot	Installing zippers
Buttonhole foot	Creating buttonholes
Blind hem foot	Invisible hemming
Satin stitch foot	Decorative stitching
Overedge foot	Edge finishing

Safety Information

Always disconnect power when not in use. Keep hands away from moving parts. Use proper lighting. Store in dry location.

WARNING! Do not operate with damaged cord. Keep ventilation openings clear. Supervise children near machine.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection	Check power cord connection; ensure foot pedal is plugged in.
Thread breaking	Tension/needle issues	Re-thread machine; check needle for damage; adjust tension.
Uneven stitches	Threading/bobbin	Re-thread upper and lower threads; check bobbin insertion.
Fabric not feeding	Feed dogs lowered	Raise feed dogs; check presser foot pressure.
Needle breaks	Wrong needle/bent needle	Replace needle; ensure correct needle for fabric type.
Bobbin issues	Winding/insertion	Rewind bobbin evenly; ensure bobbin case is properly seated.

Service: Contact authorized Janome service center for repairs.

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