Singer One Plus Sewing Machine Manual

The Singer One Plus is a versatile computerized sewing machine featuring 100 built-in stitches, automatic needle threader, top drop-in bobbin system, adjustable stitch length and width, automatic tension control, built-in needle plate window, LED lighting, free arm capability, and multiple presser feet options. Powered by 110-120V AC, this machine is ideal for beginners and experienced sewers alike. 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. Technical Specifications 5. Controls and Functions 6. Stitch Selection Guide 7. Threading and Bobbin 8. Presser Feet Guide 9. Maintenance & Cleaning 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: Computerized stitch panel, automatic needle threader, top-load bobbin system, free arm, LED work light, accessory storage.

FeatureDescription
Built-in Stitches100 stitches including utility, decorative, and stretch
Automatic Needle ThreaderEasy one-step needle threading
Top Drop-in BobbinClear view bobbin with quick-set system
Stitch Length/WidthAdjustable for custom sewing projects
Automatic TensionComputer-controlled for perfect stitches
LED LightingBright illumination of work area
Free ArmFor sewing cuffs and sleeves
Speed ControlAdjustable sewing speed slider
Reverse StitchButton for reinforcing stitches
Presser FeetIncludes all-purpose, zipper, buttonhole feet

Unpacking and Setup

Carefully unpack all components and place on stable surface.

  1. Remove machine from packaging: Lift from carrying case, remove protective materials.
  2. Set up work area: Place on sturdy table with adequate lighting.
  3. Install foot control: Plug into machine's foot control port.
  4. Connect power: Plug power cord into machine and wall outlet.
  5. Install accessories: Attach standard presser foot, insert bobbin, thread machine.

WARNING! Machine is heavy; lift with both hands. Keep fingers away from needle area during operation.

First-Time Operation

Power on machine; follow initial setup procedure.

  1. Thread machine: Follow numbered threading path on machine.
  2. Wind bobbin: Place empty bobbin on winder, thread through tension disc.
  3. Insert bobbin: Drop bobbin into case with thread rotating counterclockwise.
  4. Select basic stitch: Choose straight stitch (00) for practice.
  5. Test sew: Use scrap fabric to check tension and stitch quality.
  6. Adjust settings: Modify stitch length and width as needed.

CAUTION! Always turn off power when changing needles or cleaning machine.

Technical Specifications

Controls and Functions

Access stitch selection via LCD screen and function buttons. Front Panel: Power switch, stitch selection dial, reverse button, needle up/down.

Control Panel: Stitch selection buttons, stitch length/width adjustment, automatic needle threader button, speed control slider.

Stitch Settings: Length (0-4mm), Width (0-5mm), mirror image, memory function. Utility: Reverse stitch, automatic thread cutter, built-in needle threader. Display: LCD screen shows selected stitch number, length, width settings.

Stitch Selection Guide

Stitch categories: Basic, stretch, decorative, buttonholes.

  1. Basic Stitches (00-09): Straight stitch, zigzag, blind hem
  2. Stretch Stitches (10-19): Overcast, triple stretch stitch
  3. Decorative Stitches (20-99): Scallops, leaves, flowers, quilting patterns
  4. Buttonholes (30-35): 6 automatic one-step buttonhole styles

Tip: Always test stitches on scrap fabric before sewing your project.

Threading and Bobbin

Proper threading ensures smooth operation and quality stitches.

  1. Raise presser foot and needle to highest position.
  2. Follow numbered threading path: Spool pin to tension discs to take-up lever.
  3. Use automatic needle threader: Push lever down and hook thread through needle eye.
  4. Wind bobbin: Place empty bobbin on winder, thread through pre-tension slot.
  5. Insert bobbin: Drop into case with thread moving counterclockwise.
  6. Pull up bobbin thread: Hold needle thread, turn handwheel toward you.

WARNING! Always disconnect power when threading needle or bobbin area.

Presser Feet Guide

Includes 4 presser feet for various sewing applications.

Presser FootUseStitch Type
All-Purpose FootGeneral sewingStraight, zigzag, decorative
Zipper FootInstalling zippersStraight stitch
Buttonhole FootMaking buttonholesAutomatic buttonholes
Button Sewing FootAttaching buttonsButton sewing stitch

Maintenance & Cleaning

Unplug machine before maintenance. Regular cleaning prevents lint buildup.

  1. Remove needle plate: Use screwdriver to access bobbin area.
  2. Clean feed dogs: Use small brush to remove lint and threads.
  3. Oil machine: Apply sewing machine oil to hook race and moving parts (monthly).
  4. Wipe exterior: Use soft, dry cloth only.
  5. Replace needle: Change needle after every project or 8 hours of sewing.

CAUTION! Never use compressed air; it can force lint deeper into machine.

Warranty Information

Singer Limited Warranty: 25 years for mechanical parts, 2 years for electrical components. Copyright © 2024 Singer Sewing Company. For warranty service, retain original sales receipt. For support, visit www.singer.com or contact 1-800-4-SINGER. Registration required within 10 days of purchase for warranty validation.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRe-thread completely; check tension settings.
Skipped stitchesDull/bent needleReplace needle; ensure correct needle type.
Uneven stitchesTension issuesAdjust upper tension; re-thread bobbin.
Machine jamsThread buildupClean bobbin area; remove tangled threads.
No powerPower connectionCheck power cord; ensure foot control plugged in.
Bobbin thread bunchingIncorrect bobbin threadingRemove and re-thread bobbin properly.

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

Service: 1-800-4-SINGER; www.singer.com

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