Brother LS-2125/2125i/2129 Quick Setup Guide

 

Toll Free Phone 877-276-8437

 

Toll Free Phone 877-276-8437

 

Toll Free Phone 877-276-8437 

XE4594-001

Name of Machine Parts and Their Functions

1

 

Pattern Selection Dial
Choose from 10 different stitches

2

 

Buttonhole Fine-Adjusting Screw
For use if the stitching on the two sides of the 
buttonhole do not appear uniform

3

 

Thread Take-up Lever
Guide thread through the lever from right to left

4

 

Flat Bed Attachment with Accessory Storage  
For easy storage of included accessories

5

 

Upper Tension Control Dial
This controls the tension of the upper thread

6

 

Reverse Sewing Lever
To sew in reverse

7

 

8

 

9

 

0

 

A

 

B

 

C

 

D

 

E

 

F

 

G

 

H

 

Spool Pin
Pull up on spool pin to level thread

I

 

Bobbin Winder
Place unfilled bobbin on winder

J

 

Handwheel
Use for lower threading

K

 

Foot Controller Jack
Insert plug in jack to operate foot controller

L

 

Presser Foot Lever
Used to raise and lower the presser foot

M

 

Main Power/Sewing Light Switch
Turns your machine/sewing light on

N

 

Built-in Handle 
Ideal for easy and efficient transporting

O

 

Thread Guide/Bobbin Winding Pre-tension Disc
Used when winding the bobbin and then threading 
the machine

To eliminate unnecessary repairs, listed below are common problems and possible 
solutions. Please refer to your instruction manual for further instructions.

Needle Breaks
Needle is inserted incorrectly
Needle clamp screw is loose
Bent needle is being used
Upper threading is not correct
Upper thread tension is set too tight/high
Needle and/or thread for fabric being sewn is not correct
Material pulled and/or moved excessively during sewing

Upper Thread Breaks
Upper thread is not correct
Upper thread tension is set too high/tight
Upper thread is too large for the needle eye

Lower Thread Breaks
Lower thread may be entangled in shuttle
Lower thread tension is set too tight/high
Lower threading is not correct

Loops on Top or Bottom of Fabric Form During Sewing
Upper or lower thread tension not set correctly
Upper threading is not correct
Incorrect bobbin being used

Material Tends to Pucker During Sewing
Upper or lower thread tension is set too high/tight
Upper threading is not correct
Thread may be caught or is catching on something
Lower thread is unevenly wound on bobbin
Incorrect bobbin being used

Skips Stitches
Needle is not sharp and/or straight
Needle is inserted incorrectly
Needle and/or thread for fabric being sewn is not correct
Upper threading is not correct
Lint and/or debris caught on underside of needle plate

Machine Runs Slow and/or Noisy
Machine may require cleaning or lubrication
Lint and/or debris may be caught in the shuttle and/or feed dog assemblies

Bobbin is Wound Incorrectly
Use a small pair of scissors to remove thread

Brother International Corporation recommends the use of genuine parts and supplies and proper 
maintenance to keep your product running smoothly. Many of our resellers carry genuine Brother parts, 
accessories and supplies. If you are unable to locate these items, please visit us online at  
www.brothermall.com.

Very Thin

Fine tricot, Fine lace, 

Thin linen, Silk, Organza, 

Chiffon

#65/9

Cotton: 80

Synthetic/Polyester Long Fiber

Fine Mercerized Cotton

Lightweight

Voile, Taffeta, Synthetics, 

Silk, Batiste

#75/11

Cotton: 60-80

Silk: “A”

Synthetic/Polyester Long Fiber

Mercerized 50

Medium Weight

Cotton, Gingham, Poplin, 

Percale, Pique, Satin, 

Velvet, Lightweight wool, 

Fine corduroy, Suitings, 

Linen, Muslin

#90/14

(Supplied with 
your machine)

Cotton: 50-60

Silk: “A”

Synthetic/Polyester Long Fiber

Mercerized 50-60

Heavyweight

Denim, Gabardine, 

Tweed, Corduroy, 

Canvas, Duck

#100/16

Cotton: 40-50

Mercerized Heavy Duty

Polyester Long Fiber

Knits

Single knit, Double knit, 

Jersey, Tricot

#90/14

(Ball point)

Cotton Wrapped Polyester

Polyester Long Fiber

1

3

4

5

6

2

L

O

H

I

J

K

M

N

G

7
8

9

0

A

B

D

E

C

F