Singer 9100 User Manual (English)

Questions and Answers:

R
Ryan MendezAug 22, 2025
Why does the upper thread keep breaking on my Singer 9100?
- M
  murphyjessicaAug 22, 2025
  If the upper thread breaks on your Singer Sewing Machine, several factors could be the cause. First, make sure the machine is threaded correctly; if not, rethread it. The thread tension might be too tight, so try reducing it. Also, check if the thread is too thick for the needle and select a larger needle if needed. Ensure the needle is inserted correctly with the flat side towards the back, and that the thread isn't wound around the spool holder pin. Finally, a damaged needle can also cause this issue, so replace it if necessary.
C
copelanddavidSep 2, 2025
What causes uneven stitches and feed on a Singer 9100?
- W
  williamsaaronSep 2, 2025
  Uneven stitches or uneven feed on your Singer Sewing Machine can be caused by several issues. Poor quality thread can be a factor, so select a better quality thread. Also, if the bobbin case is threaded wrong, remove it, rethread it, and reinsert it correctly. Avoid pulling on the fabric while sewing; let the machine take it up.
M
Michael Scott MDSep 1, 2025
What causes seam puckering on a Singer Sewing Machine?
- B
  Brenda ThompsonSep 1, 2025
  Seam puckering on your Singer Sewing Machine can occur due to several reasons. The needle thread tension might be too tight, so try loosening it. Also, ensure the needle thread is threaded correctly by rethreading the machine. If the needle is too heavy for the fabric, choose a needle to suit the thread and fabric. Short stitch length can also cause puckering, so make the stitch dense.
C
cmartinezAug 30, 2025
How to fix loose stitches on my Singer 9100 Sewing Machine?
- M
  Michael GriffinAug 31, 2025
  Loose stitches on your Singer Sewing Machine can be caused by several factors. First, check that the machine is correctly threaded. Also, ensure the bobbin case is threaded as illustrated. If the needle, fabric, and thread combination is wrong, make sure the needle size suits the fabric and thread. Finally, incorrect thread tension can lead to loose stitches, so correct the thread tension.
J
Jorge TuckerAug 29, 2025
How to fix skipped stitches on my Singer 9100 Sewing Machine?
- M
  Mark GregoryAug 29, 2025
  Skipped stitches on your Singer Sewing Machine can occur for several reasons. Ensure the needle is correctly inserted with the flat side towards the back. A damaged needle should be replaced. If the wrong size needle has been used, choose a needle to suit the thread. Also, check if the foot is not attached correctly and reattach it if needed. Finally, the machine may not be threaded correctly, so rethread it.
S
schwartzheidiAug 28, 2025
What to do if the needle keeps breaking on my Singer 9100 Sewing Machine?
- L
  leedennisAug 28, 2025
  If the needle breaks on your Singer Sewing Machine, consider these possible causes. A damaged needle should be replaced with a new one. Ensure the needle is correctly inserted, with the flat side towards the back. The needle size may be wrong for the fabric, so choose one appropriate for both the thread and fabric. The wrong foot attached or a loose needle clamp screw can also cause breakage; select the correct foot and firmly tighten the screw. Also, make sure that the presser foot that is used is appropriate for the type of stitch that you wish to sew. Finally, the upper thread tension might be too tight; try loosening it.
H
Heather RobertsonAug 27, 2025
Why is my Singer 9100 skipping stitches?
- G
  Garrett McdowellAug 27, 2025
  If your Singer Sewing Machine is skipping stitches, check these potential causes: * Ensure the needle is inserted correctly, with the flat side towards the back; if not, remove and reinsert it. * The needle may be damaged; insert a new one. * You might be using the wrong size needle; choose one that suits the thread. * Make sure the foot is attached correctly; if not, check and reattach it. * The machine may not be threaded correctly; rethread it.
T
Timothy DavidAug 27, 2025
Why does my Singer 9100 Sewing Machine skip stitches?
- D
  Deborah CastilloAug 27, 2025
  Skipped stitches on your Singer Sewing Machine can occur for several reasons. Begin by checking that the needle is correctly inserted, ensuring the flat side faces the back. A damaged needle can also cause skipped stitches, so insert a new one. Using the wrong size needle for the thread is another potential cause, so choose an appropriate needle. Also, make sure the foot is correctly attached. Finally, ensure the machine is correctly threaded by rethreading it.
M
Mary MartinezAug 25, 2025
How to fix upper thread breaks on a Singer 9100 Sewing Machine?
- M
  Misty CastroAug 26, 2025
  If the upper thread breaks on your Singer Sewing Machine, several factors could be the cause. First, ensure the machine is correctly threaded by rethreading it. Also, check the thread tension; if it's too tight, reduce it. The needle might be too small for the thread, so try a larger needle. Make sure the needle is correctly inserted with the flat side towards the back. Check if the thread is wound around the spool holder pin and rewind it onto the reel if necessary. Finally, a damaged needle can also cause thread breakage, so replace it.
P
patriciamorrisAug 25, 2025
Why does the lower thread break on my Singer Sewing Machine?
- L
  Lori BaldwinAug 25, 2025
  If the lower thread breaks on your Singer Sewing Machine, it could be due to a few reasons. Check that the bobbin case is inserted correctly; remove and reinsert it, ensuring the thread pulls easily. Also, verify that the bobbin case is threaded correctly. Lastly, if the lower thread tension is too tight, loosen it as described.

Singer 9100 Specifications

General

Maximum Stitch Width	7mm
Maximum Stitch Length	5mm
Built-in Needle Threader	Yes
Drop Feed	Yes
Speed Control	Yes
LCD Screen	Yes
Free Arm	Yes
Twin Needle Capability	Yes
Needle Threader	Automatic
Bobbin System	Top Drop-In
Warranty	25 Year Limited

Summary

Symbol Instructions

Raise needle

Instruction for raising the sewing machine needle.

Raise presser foot

Instruction for raising the presser foot.

Lower presser foot

Instruction for lowering the presser foot.

Important Safety Instructions

DANGER: Risk of electrical shock

Precautions to reduce the risk of electrical shock.

WARNING: Risks of burns, fire, shock, injury

Precautions to reduce risks of burns, fire, shock, or injury.

Principal Parts of the Machine

Machine Control Buttons

Operation buttons

Controls for starting, stopping, reversing, and needle positioning.

Function buttons

Buttons for adjusting stitch width and selecting modes.

Stitch length adjustment buttons

Adjusts the length of the stitch.

Twin needle button

Adjusts width range for twin needle sewing.

Mirror button

Activates mirror imaging for patterns.

Elongation button

Elongates selected patterns.

Selection buttons

Buttons for editing, memory, clearing, and pattern selection.

Speed limiting adjustment lever

Controls the sewing speed.

LCD Screen

Pattern display

Shows stitch type, width, length, and other settings.

Alphabet display

Shows character selections and settings.

Memory screen

Displays memory group, current unit, and total units.

Elongation display

Shows the amount of pattern elongation.

Pattern Chart

Stitch patterns

Visual representation of direct and group stitch patterns.

Alphabet patterns

Displays block and script style alphabet characters.

Accessories

Standard accessories

List of common accessories included with the machine.

Optional accessories

List of accessories available for separate purchase.

Connecting the Machine to the Power Source

Connecting the machine

Step-by-step guide to connect the sewing machine to power.

Winding the Bobbin

Bobbin winding process

Instructions for winding thread onto the bobbin.

Inserting the Bobbin

Threading the Upper Thread

Using the Needle Threader

Drawing Up the Lower Thread

Cutting the Thread

Two-Step Presser Foot Lifter

Starting Sewing

Using the Start/stop button

How to start and stop sewing using the button.

Using the foot control

How to start and stop sewing using the foot pedal.

Thread Tension

Changing the Presser Foot

Presser Foot Chart

Matching Needle/ Fabric/ Thread

Needle, Fabric, Thread Selection Guide

Guide for selecting appropriate needle, fabric, and thread.

Replacing the Needle

Raise or Lower the Feed Dogs

Operation Buttons

Start/stop button operation

How to start and stop the machine using the button.

Reverse button operation

How to use the reverse stitch function.

Auto-lock button operation

How to use the automatic locking stitch function.

Needle up/down position button

Controls the needle's final position.

Function Buttons

Stitch width adjustment

How to adjust the stitch width.

Stitch length adjustment

How to adjust the stitch length.

Mode selection button

How to select different sewing modes.

Elongation button

How to use the elongation feature for patterns.

Mirror button

How to mirror image patterns.

Twin needle button

How to enable twin needle sewing.

Selection Buttons

Direct pattern selection and number buttons

How to select patterns using direct buttons or numbers.

Edit button

Used for modifying patterns in memory.

Memory button

Used for saving and recalling patterns.

Clear button

Used for deleting patterns or characters.

Sewing Tips

Sewing corners

Technique for sewing perfect corners.

Using reverse stitching

Securing stitches at the beginning and end of seams.

Free arm sewing

Sewing tubular areas like hems and cuffs.

More Features

Installing the extension table

Guide for attaching the optional extension table.

Sewing on heavy fabrics

Techniques for sewing thick materials.

Zigzag Stitches

Adjusting stitch width

How to modify the width of zigzag stitches.

Adjusting stitch length

How to modify the length of zigzag stitches.

Stretch Stitches

Overcasting Stitches

Using the overcasting foot

How to use the overcasting foot for overcast stitches.

Using the all purpose foot

How to use the standard foot for overcast stitches.

Blind Hems

Button Sewing

Buttonhole Sewing

Making corded buttonholes

Instructions for creating buttonholes with a cord.

Bar Tack Stitch

Eyelet Stitch

Darning Stitch

Zipper Insertion

Inserting a centered zipper

Step-by-step guide for inserting a centered zipper.

Inserting a lapped zipper

Step-by-step guide for inserting a lapped zipper.

Narrow Hemming

Cording

Single cording

How to sew single cord for embellishment.

Triple cording

How to sew triple cords for embellishment.

Satin Stitch Sewing

Edge/Quilting Guide

Gathering

Gathered fabric

Process for gathering fabric using the gathering foot.

Gather and attach fabric in one step

Technique for gathering and attaching fabric simultaneously.

Smocking

Free Motion Sewing

Darning

Instructions for free motion darning.

Embroidery

Instructions for free motion embroidery.

Monogramming

Instructions for free motion monogramming.

Walking Foot

Fagoting

Decorative Topstitching

Scallop Stitch

Scallop hem

How to create a scallop hem.

Scallop edging

How to create a scallop edge.

Elongation

Mirror Image

Using the Twin Needle

Memory

Combining patterns or letters

How to combine multiple patterns or letters in memory.

Adding patterns or letters

How to add new patterns or letters to memory.

Editing patterns

How to modify existing patterns in memory.

Clearing patterns or letters

How to delete patterns or letters from memory.

Recalling and sewing memorized patterns

How to retrieve and sew stored patterns.

Warning Functions

Warning animation message display

Indicates when the machine has a problem.

Instruction animation message display

Shows operational instructions or status.

Warning beeping sound

Explains audible alerts for machine status.

Buzzer Sound

Maintenance

Cleaning the screen

How to clean the LCD screen.

Cleaning the sewing machine surface

How to clean the exterior of the machine.

Cleaning the hook

How to clean the bobbin hook area.

Trouble Shooting Guide

Upper thread breaks

Causes and solutions for upper thread breakage.

Lower thread breaks

Causes and solutions for lower thread breakage.

Skipped stitches

Causes and solutions for skipped stitches.

Needle breaks

Causes and solutions for needle breakage.

Loose stitches

Causes and solutions for loose stitches.

Seam gather or pucker

Causes and solutions for seam gathering or puckering.

Seam puckering

Causes and solutions for seam puckering.

Patterns are distorted

Causes and solutions for distorted stitch patterns.

The machine jams

Causes and solutions for the machine jamming.

The machine is noisy

Causes and solutions for excessive machine noise.

Uneven stitches, uneven feed

Causes and solutions for uneven stitches or feed.

The sewing machine doesn't operate

Causes and solutions for the machine not starting.

Stitch Adjustment Reference Chart

Direct patterns-10

Reference table for direct stitch patterns and their settings.

A group patterns-100

Reference table for A Group stitch patterns and settings.

Buttonhole stitches

Stitch adjustment reference for buttonhole stitches.

Darning stitches

Stitch adjustment reference for darning stitches.

Satin stitches

Stitch adjustment reference for satin stitches.

Cross stitches

Stitch adjustment reference for cross stitches.

Decorative stitches

Stitch adjustment reference for decorative stitches.

Related product manuals

Singer 9100 User Manual

Table of Contents

Questions and Answers:

Singer 9100 Specifications

Summary

Symbol Instructions

Raise needle

Raise presser foot

Lower presser foot

Important Safety Instructions

DANGER: Risk of electrical shock

WARNING: Risks of burns, fire, shock, injury

Principal Parts of the Machine

Machine Control Buttons

Operation buttons

Function buttons

Stitch length adjustment buttons

Twin needle button

Mirror button

Elongation button

Selection buttons

Speed limiting adjustment lever

LCD Screen

Pattern display

Alphabet display

Memory screen

Elongation display

Pattern Chart

Stitch patterns

Alphabet patterns

Accessories

Standard accessories

Optional accessories

Connecting the Machine to the Power Source

Connecting the machine

Winding the Bobbin

Bobbin winding process

Inserting the Bobbin

Threading the Upper Thread

Using the Needle Threader

Drawing Up the Lower Thread

Cutting the Thread

Two-Step Presser Foot Lifter

Starting Sewing

Using the Start/stop button

Using the foot control

Thread Tension

Changing the Presser Foot

Presser Foot Chart

Matching Needle/ Fabric/ Thread

Needle, Fabric, Thread Selection Guide

Replacing the Needle

Raise or Lower the Feed Dogs

Operation Buttons

Start/stop button operation

Reverse button operation

Auto-lock button operation

Needle up/down position button

Function Buttons

Stitch width adjustment

Stitch length adjustment

Mode selection button

Elongation button

Mirror button

Twin needle button

Selection Buttons

Direct pattern selection and number buttons

Edit button

Memory button

Clear button

Sewing Tips

Sewing corners

Using reverse stitching

Free arm sewing

More Features

Installing the extension table

Sewing on heavy fabrics

Zigzag Stitches

Adjusting stitch width

Adjusting stitch length