Janome JEM Platinum 720 Manual

The Janome JEM Platinum 720 is a compact, lightweight sewing machine designed for quilters and crafters, featuring 720 stitches including utility, decorative, and alphabet stitches, built-in needle threader, automatic thread cutter, 9mm stitch width, 7-point feed dog, speed control slider, memory function for stitch patterns, LCD screen, hard cover, and accessory kit. Powered by standard household outlet. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Unpacking and Setup 3. First-Time Operation 4. Specifications 5. Controls and Functions 6. Stitch Selection 7. Basic Sewing Operations 8. Advanced Features 9. Maintenance & Cleaning 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: Compact sewing head, LCD display, Stitch selection dial, Speed control slider, Built-in needle threader, Automatic thread cutter, Accessory compartment.

Feature	Description
Stitch selection dial	For selecting from 720 built-in stitches
LCD display	Shows selected stitch and settings
Speed control slider	Adjusts sewing speed from slow to fast
Built-in needle threader	Automatically threads needle
Automatic thread cutter	Cuts top and bobbin threads with button press
Accessory compartment	Stores feet, bobbins, needles, and tools
Memory function	Stores favorite stitch combinations
Start/Stop button	Sews without foot control
Reverse stitch button	For reinforcing stitches
Power switch	Turns machine on/off

Unpacking and Setup

Unpack and inspect all contents. Place on stable surface.

Remove machine from packaging: Lift by carrying handle, remove protective materials.
Install foot control: Plug into machine port, place on floor.
Connect power: Plug power cord into machine and wall outlet.
Install accessories: Attach standard presser foot, insert bobbin, thread machine.

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

First-Time Operation

Power on machine; follow basic setup procedure.

Thread machine: Use built-in needle threader for easy threading.
Insert bobbin: Drop-in bobbin system with clear cover.
Select stitch: Turn dial to desired stitch number.
Adjust settings: Use LCD display to modify stitch length/width.
Test sew: Use scrap fabric to test stitch quality.

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

Specifications

Stitches: 720 built-in stitches including utility, decorative, quilting, and alphabet
Stitch Width: Up to 9mm
Stitch Length: Up to 5mm
Speed: Up to 1,000 stitches per minute
Feed Dogs: 7-point drop feed system
Needle Positions: Multiple needle positions available
Bobbin: Top loading, jam-resistant
Display: LCD with stitch information
Power Source: Standard household electrical outlet
Weight: Compact and lightweight design

Controls and Functions

Access functions via control panel and dials. Front Panel: Power switch, Stitch selection dial, LCD display, Function buttons.

Control Panel: Start/Stop, Reverse, Needle Up/Down, Thread Cutter, Speed control slider, Memory buttons.

Stitch Settings: Length (0-5mm), Width (0-9mm), Mirror image, Twin needle capability. Utility: Straight stitch, zigzag, stretch stitches, buttonholes. Decorative: Scrolling patterns, motifs, alphabet fonts.

Stitch Selection

720 stitches organized by category: Utility (1-50), Decorative (51-400), Quilting (401-500), Alphabet (501-720).

Turn stitch selection dial to desired category range.
Use arrow buttons to scroll through specific stitches.
Press Memory button to save favorite combinations.
Adjust length/width using plus/minus buttons.

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

Basic Sewing Operations

Supports various sewing techniques and fabric types.

Straight stitching: Select stitch 1, adjust length as needed.
Zigzag stitching: Select stitch 2, adjust width for finishing edges.
Buttonholes: Use automatic one-step buttonhole (stitch 30).
Reverse stitching: Press reverse button to secure seams.
Thread cutting: Press automatic thread cutter when finished sewing.
Needle positioning: Use needle up/down button for precise stops.

WARNING! Always lower presser foot before sewing. Keep hands clear of moving parts.

Advanced Features

Memory Function: Store up to 30 stitch combinations for quick access. Mirror Imaging: Create symmetrical decorative patterns. Alphabet Stitching: Sew text with multiple font styles. Speed Control: Adjust maximum sewing speed for precision work.

Maintenance & Cleaning

Unplug before maintenance. Clean lint from bobbin area regularly. Oil moving parts as specified in manual.

CAUTION! Use only Janome recommended needles and accessories. Do not use compressed air for cleaning.

Warranty Information

Limited 25-year warranty on mechanical parts, 5 years on electronic components, 1 year labor. Warranty valid only with proof of purchase from authorized dealer. For service, contact authorized Janome dealer or visit www.janome.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection	Check power cord connections; ensure power switch is on.
Thread breaking	Threading/tension	Rethread machine; check tension settings; use quality thread.
Skipped stitches	Needle/fabric	Replace needle; ensure proper needle for fabric type.
Bobbin issues	Insertion/winding	Remove and reinsert bobbin; ensure proper winding.
Uneven stitching	Tension/feed dogs	Adjust upper tension; clean feed dogs; check presser foot pressure.

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

Service: Contact authorized Janome service center; www.janome.com