JANOME MB-4 Instruction book

Instruction Book

MB-4

IMPORTANT SAFETY INSTRUCTIONS

The machine is not intended for use by children or mentally infirm persons without proper supervision.

This machine is designed and manufactured for household use.

When using an electrical appliance, basic safety precautions should always be followed, including the followings:

Read all instructions before using this machine.

DANGER To reduce the risk of electric shock:

1. The machine should never be left unattended when plugged in. Always unplug this machine from the

electric outlet immediately after using and before cleaning.

WARNING To reduce the risk of burns, fire, electric shock, or injury to persons:

1. Do not allow the machine to be used as a toy. Close attention is necessary when this machine is

used by or children.

2. Use this machine only for its intended use as described in this instruction book.

3. Never operate this machine if it has a damaged cord or plug, if it is not working properly, if it has

been dropped or damaged, or dropped into water.

Return this machine to the nearest authorized dealer or service center for examination, repair,

electrical or mechanical adjustment.

4. Never operate this machine with any air openings blocked. Keep ventilation openings of this

machine free from accumulation of lint, dust and loose cloth.

5. Never drop or insert any object into any opening.

6. Do not use outdoors.

7. Do not operate where aerosol (spray) products are being used or where oxygen is being administered.

8. Connect this machine to a properly grounded outlet only. See Grounding Instructions.

9. To disconnect, turn all controls to the off (“O”) position, then remove plug from outlet.

10. Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord.

11. Keep fingers away from all moving parts. Special care is required around the machine needle.

12. Do not use bent needles.

13. Do not hold the embroidery hoop while stitching. It may deflect the needle causing it to break.

14. Switch the machine off (“o”) when making any adjustment in the needle area, such as threading the

needle with your hand, changing the needle, inserting the bobbin, and the like.

15. Always unplug this machine from the electrical outlet when making any adjustments mentioned in

this instruction book.

SAVE THESE INSTRUCTIONS

The design and specifications are subject to change without a prior notice.

Please note that on disposal, this product must be safely recycled in accordance with relevant

National legislation relating to electrical/electronic products. If in doubt please contact your retailer

for guidance. (European Union only)

GROUNDING INSTRUCTIONS

This product must be grounded. In the event of malfunction or breakdown, grounding provides a path of least

resistance for electric current to reduce the risk of electric shock.

This product is equipped with a cord having an equipment grounding conductor and a grounding plug.

The plug must be plugged into an appropriate outlet that is properly installed and grounded in accordance with

all local codes and ordinances.

DANGER Improper connection of the equipment-grounding conductor can result in a risk of

electric shock.

1. The conductor with insulation having an outer surface that is green with or without yellow stripes is the

equipment-grounding conductor.

2. If repair or replacement of the cord or plug is necessary, do not connect the equipment-grounding

conductor to a live terminal.

3. Check with a qualified electrician or serviceman if the grounding instructions are not completely

understood, or if in doubt as to whether the product is properly grounded.

Do not modify the plug provided with the product if it will not fit the outlet, have a proper outlet installed by

a qualified electrician.

4. This product is for use on a nominal 120 V circuit, and has a grounding plug that looks like the plug illustrated

in Fig. A. A temporary adaptor, which looks like the adaptor illustrated in Fig. C, may be used to connect this

plug to a 2-pole receptacle as shown in Fig B. If a properly grounded outlet is not available, the temporary

adapter should be used only until a properly grounded outlet can be installed by a qualified electrician.

The green colored rigid ear, lug, and the like, extending from the adaptor must be connected to a permanent

ground such as a properly grounded outlet box cover. Whenever the adaptor is used, it must be held in place

by the metal screw.

Fig. A Fig.B Fig.C

Metal screw

grounding means

Fig.C

1

SECTION 1. SETTING UP THE MACHINE

Installing the Machine ............................................... 2

Adjusting the feet ................................................. 3

Removing the Head Stoppers ................................... 3

Names of Parts ......................................................... 5

Sub control panel ................................................. 6

RCS unit (optional item) ....................................... 6

Standard accessories .......................................... 7

Assembling the Spool Stand ..................................... 9

Setting the Thread Cones or Spools of Thread ....... 10

Setting the spool cone ....................................... 10

Setting the spool of thread ................................. 10

Installing the Hoop Supporter................................... 11

Installing the RCS unit (optional item) ..................... 12

Connecting the Power Supply ................................. 13

Direct PC-Link ......................................................... 14

Bobbin Threads ....................................................... 15

Stabilizers................................................................ 15

Winding the Bobbin ................................................. 16

Removing the bobbin case ................................ 17

Removing the bobbin ......................................... 17

Inserting the bobbin case ................................... 18

Threading the Needle.............................................. 19

Threading the needle with the needle threader ..... 21

Setting the Fabric in the Embroidery Hoop ............. 22

Setting the Embroidery Hoop .................................. 23

Adjusting the Hoop Supporter for Optional Hoops .. 23

SECTION 2. BASIC OPERATION

Basic Operation with the Sub Control Panel ........... 24

Machine operating buttons ................................. 24

LCD screen ........................................................ 25

Machine Settings..................................................... 26

Starting Embroidery ................................................ 27

Removing the Hoop ................................................ 29

Adjusting the Thread Tension .................................. 30

Adjusting the bobbin thread tension ................... 30

Replacing the Needle .............................................. 31

Basic Operation of the Optional RCS Unit .............. 32

Machine operating buttons ................................. 32

Function keys ..................................................... 33

On-screen Help Movie ............................................ 34

Disconnecting the RCS Unit.................................... 35

SECTION 3. ADVANCED OPERATION WITH THE

OPTIONAL RCS UNIT

Selecting the Embroidery Patterns.......................... 36

Selecting the built-in designs ............................. 37

Manual color assignment ................................... 39

Monogramming ....................................................... 40

Function keys ..................................................... 41

Entering the characters ...................................... 42

Saving the monogram ........................................ 42

Correcting the text .............................................. 43

Placement of monogramming ............................ 44

Multi-color monogramming ................................ 45

Editing ..................................................................... 46

Editing Functions..................................................... 47

Selecting the hoop ............................................. 47

Moving the pattern ............................................. 47

Resizing the pattern ........................................... 47

Rotating the pattern ........................................... 48

Deleting the pattern ............................................ 48

Saving the file .................................................... 48

Duplicating the pattern ....................................... 49

Flipping the pattern ............................................ 49

Monogramming in an arc ................................... 50

Customizing the color setting ............................. 51

Combining the Patterns and Lettering..................... 52

Starting to Embroider .............................................. 55

Customizing the Settings

with the Sub Control Panel...................................... 57

Buzzer sound control ......................................... 57

Eco mode setting ............................................... 57

Machine ID number ............................................ 57

Formatting the memory ...................................... 58

Resetting all to defaults ...................................... 58

Maximum sewing speed .................................... 58

Thread selection ................................................ 58

Reminder message ON/OFF ............................. 59

Ignoring short stitches ........................................ 59

Setting the trim tail length .................................. 59

Setting the thread detector sensitivity ................ 59

Jump thread trimming ON/OFF .......................... 60

Jump thread trimming threshold ........................ 60

Customizing the Settings

with the Optional RCS Unit ..................................... 61

Language selection ................................................. 69

File Management .................................................... 70

Saving the pattern as a file ................................ 70

Creating a new file ............................................. 71

Opening a file ..................................................... 72

Deleting the folder .............................................. 73

Deleting the file .................................................. 73

SECTION 4. OPTIONAL ITEMS

PC Design Cards .................................................... 74

USB Memory ........................................................... 75

CD-ROM Drive ........................................................ 76

SECTION 5. CARE AND MAINTENANCE

Cleaning the Hook................................................... 77

Cleaning the Auto Thread Cutter Mechanism ......... 78

Oiling ....................................................................... 79

Error Messages ....................................................... 80

Troubleshooting ...................................................... 81

TABLE OF CONTENTS

2

SECTION 1. SETTING UP THE MACHINE

Installing the Machine

Place the machine on a flat and stable surface such

as a sturdy table that could withstand the machine’s

weight and vibration.

Place the machine on the flat and level surface.

Make sure that all the feet firmly contact the surface.

Provide a sufficient space around the machine to

allow the hoop to move freely.

q8.5 cm (3–3/8”)

w20 cm (7–7/8”)

e30 cm (11–7/8”)

q

w

e

q

3

Adjusting the feet

Turn the adjusting screw counterclockwise (in the

direction of A) as much as possible, before placing

the machine on a surface.

qAdjusting screw

Place the machine on a flat and level surface.

Turn the adjustable foot so the four feet firmly

contact the surface.

wAdjustable foot

eFoot

Turn the adjusting screw clockwise (in the direction B)

until it contacts the surface.

NOTE:

Make sure that the machine sits on the surface

without shaking.

q

w

e

A

B

Removing the Head Stoppers

To prevent the machine from a damage during

transportation, the machine is delivered with the

head stoppers installed on the guide bar to fix the

needle bar head.

Make sure to remove the two head stoppers on both

sides of the guide bar before operating the machine.

qHead stopper

wGuide bar

When you repack the machine for transportation,

attach the two head stopper against the metal frame

with the screws to fix the needle bar head.

NOTE:

Select the needle bar No. 3 in the Ready to Sew

mode and turn the power off then attach the

stoppers (refer to pages 26, 39) .

q

w

4

Do not use the machine near appliances that radiate

electromagnetic noise such as a microwave oven, or

do not plug in the machine to the same branch circuit

where such appliances are connected.

Do not use or store the machine near a heat radiator

or in a place with dust or high humidity.

Do not expose the machine to direct sunlight or open

air.

When transporting the machine, be sure it is lifted by

two persons.

Hold the machine by the two legs and the hand grip

on the bottom of the backside of the machine.

Remove the hoop supporter when transporting the

machine to avoid damage by hitting the supporter.

5

Names of Parts

qThread guide bar

wPre-tension control

eTension control

rCheck spring

tHoop supporter

yNeedle plate

uHook cover

iStart/Stop button

oAuto thread cutter button

!0 Sub control panel

!1 Spool pins

!2 Spool stand

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o

!0

!1

!2

!3

!4

!5

!6

!7

!8

!9

@2

!3 Machine socket

!4 Power switch

!5 Bobbin winder button

!6 Bobbin winder stopper

!7 Bobbin winder spindle

!8 Bobbin thread cutter

!9 Bobbin winder thread guide

@0 RCS connector socket

@1 USB port

@2 Handwheel

@0

@1

6

Sub control panel

qMode button

wTrace button

eArrow button

rEnter buttons

tLCD brightness adjusting dial

yLCD display

q

w

e

r

t

y

RCS unit (optional item)

qRCS unit

wStart/Stop button

eAuto thread cutter button

rTrace button

tJog buttons

yCarriage return button

uStitch back button

iStitch forward button

oBobbin winder button

!0 Bobbin winder indicator

!1 Card slot

!2 Card ejector button

!3 USB port

!4 LCD touch panel

CAUTION:

Do not press the LCD touch panel with hard or

sharp pointed objects like pencils, screwdrivers or

the like.

q

wertyuio

!0

!1

!2

!3

!4

7

Standard Accessories

qNeedle (DB x K5Q1-NY)

wScissors

eBobbins

rLint brush

tSeam ripper

yHandy needle threader

uSpool caps

iSpool net

oScrewdriver

!0 Screwdriver (small)

!1 Oiler

!2 Offset screwdriver

!3 Tweezers

!4 Screwdriver (large)

!5 Accessory box

qw

er

ty

u

i

o!0

!1 !2

!4

!5

Optional RCS unit

!3

8

qw

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i

o!0 !1

!2

!3

!4

!5

!6

Standard Accessories

qInstruction book

wInstructional movie CD-ROM

ePower supply cable

rUSB cable

tHoop M1 (MB Hoop 240 X 200)

yHoop M2 (MB Hoop 126 X 110)

uHoop M3 (MB Hoop 50 X 50)

iHoop supporter

oFelt ring (large)

!0 Felt ring (small)

!1 Spool rest

!2 Thread guide bar

!3 Spool pin

!4 Thred guide pole

!5 Spool stand

!6 Setscrew

9

Assembling the Spool Stand

zInsert the thread guide poles into the sleeve of the

spool stand. Secure the poles with setscrews (A)

from the bottom.

Insert the spool pins into the spool stand.

qThread guide poles

wSetscrews (A)

eSpool stand

rSpool pin

xAttach the thread guide bar to the thread guide poles

with the setscrews (B).

tThread guide bar

ySetscrews (B)

cAttach the assembled spool stand to the machine

with the 3 setscrews (C).

uSetscrews (C)

q

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u

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z

x

c

10

Setting the Thread Cones or Spools of Thread

Use the 4 spool pins in the front row for sewing, and

second row spool pins are for the standby spools.

Use the rear most spool pin for bobbin winding.

Felt rings of two sizes are provided to accommodate

various types of spools of thread and thread cones.

Use the large felt rings for large thread cones. For small

thread cones or spools of thread, insert the small felt

rings into the large rings.

qSpool pin

wFelt ring (large)

eFelt ring (small)

rSmall spool of thread

tSpool pin for bobbin winding

Setting the thread cone

Attach the spool rests on the spool pins.

Place the thread cones on the spool pins.

Cover the thread cone with the spool net if the thread is

shaky or kinky when sewing.

If the net is too long for a spool, fold the net and place it

on the spool.

ySpool rest

uSpool net

Setting the spool of thread

Place the spool of thread on the spool pin, with the

thread coming out from the left backside.

Attach the spool cap and firmly press it against the spool.

iSpool cap

NOTE:

To prevent the thread from unraveling, leave the net on

the thread cone or hook the thread end into the notch

of the spool when it is not in use.

oNotch

q

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o

11

Installing the Hoop Supporter

z Loosen the two thumbscrews on the hoop

supporter.

qHoop supporter

wThumbscrew

x Turn the power switch on to move the carriage to

the center.

Hold the hoop supporter with both hands and

place it under the carriage plate by

inserting the necks of both thumbscrews into the

slots in the carriage plate.

eSlot in the carriage plate

c Tighten the thumbscrews with the screwdriver to

secure the hoop supporter.

q

w

e

w

z

x

c

w

12

Installing the RCS Unit (optional item)

zLoosen the thumbscrew and open the mounting arm.

qThumbscrew

wMounting arm

xLoosen the screw knob A and set the RCS unit on

the mounting arm by hooking the RCS unit on the

pins.

Tighten the screw knob A to secure the RCS unit.

Adjust the angle of the mounting arm as desired and

tighten the thumbscrew.

eScrew knob A

rRCS unit

tPin

cLoosen the screw knob B on the end of the mounting

arm and tilt the RCS unit to adjust the angle of the

LCD screen for easier viewing.

Tighten the screw knob B to secure the RCS unit.

yScrew knob B

vInsert the connector into the connector socket on

the back of the machine.

Fold the cable and put it under the spool stand.

uConnector

iConnector socket

NOTE:

You can connect the RCS unit when the machine is

turned on. However do not connect the RCS unit while

the machine is running or the LCD screen of the sub

control panel is displaying a message.

If you are using the RCS unit on the tabletop, simply

insert the connector into the connector socket on the

back of the machine.

Extend the two legs on the backside of the RCS unit

so that it rests on an angle for easier viewing.

qLeg

q

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zx

c

v

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13

Connecting the Power Supply

zTurn the power switch off.

qPower switch

xInsert the machine plug into the machine

socket.

wMachine plug

eMachine socket

cInsert the power supply plug into the

properly grounded outlet.

rPower supply plug

tWall outlet (grounded)

vTurn the power switch on.

Grounding Instructions:

This machine is equipped with a grounding

cable and plug.

The plug must be plugged into an appropriate

outlet that is properly installed and grounded.

If a properly grounded outlet is not available,

contact a qualified electrician to install the

properly grounded outlet.

Refer to page II for more instructions.

CAUTION:

Turn the power switch off before connecting

the machine to the power supply.

q

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z

x

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14

Direct PC-Link

The MB-4 can be connected to the PC with the

USB cable included as standard accessory.

You need Digitizer MB for multi-needle software

(optional item) to operate the machine via direct

PC-link.

Connecting the Machine and PC

Start up the MB-4 and PC, and insert the type A

USB connector in to the PC.

Insert the type B USB connector into the USB port

on the machine.

qType A USB connector

wType B USB connector

Transfer the embroidery pattern data files between

the machine and PC by using optional Digitizer

MB for multi-needle.

After the data transfer is finished, the LCD screen

will show the Ready to Sew mode display or return

to the previous screen, depending on the setting

you have made on Digitizer MB for multi-needle.

CAUTION:

Do not turn the power switch off or disconnect the

USB cable while the data transfer is in progress.

Otherwise the data will be lost or the memory will

be damaged.

NOTE:

Refer to instruction book of optional Digitizer MB

for multi-needle for further details.

PC M

q

w

15

Bobbin Threads

Cotton or spun rayon threads sizes 80 to 120 (74 to

100 dtex/2) are recommended for bobbin thread.

Do not use poor quality prewound bobbins.

Needles

Use the DB x K5Q1-NY, size 11 needles (Janome part

number 770811000).

Stabilizers

To obtain the best quality embroidery, it is important to

use stabilizers.

Types of stabilizer

Tear-away stabilizer:

Use tear-away stabilizers for stable woven fabrics.

Iron-on stabilizer:

Fuse it to the wrong side of the fabrics with an iron.

Cut-away stabilizer:

Use cutaway stabilizers for knits and all kinds of

unstable fabrics.

Water soluble stabilizer:

Use this stabilizer for cutwork or lace embroidery, and

also for the right side of looped fabrics such as

towelling to avoid loops coming through the

embroidery.

Sticky stabilizer:

This stabilizer is a sticky paper used for securing a

small fabric or work that cannot be secured in the

hoop.

It is also used for velvet and other napped fabric that

would be permanently marked by the hoop.

Usage:

The stabilizer should be attached to the wrong side

of fabric.

More than one layer may be required.

Felt or stable fabrics do not need to be stabilized

and you may embroider directly on them.

For firm fabrics, you may place a thin paper under

the fabric.

The non-adhesive type should be used when

embroidering fabric, which cannot be ironed or for

sections, which are difficult to iron.

Cut the stabilizer larger than the embroidery hoop

and set it on the hoop so that the entire piece is

fastened within the hoop to prevent looseness of the

fabric.

Adhesive (Iron-on) Stabilizer

Place the Wrong side of fabric and the glossy side

of the stabilizer together. Fold up a corner of the

stabilizer and fuse it with an iron.

NOTES:

Fold up a corner of the stabilizer, to make it

easier to peel off the excess stabilizer after

stitching.

Ironing temperatures vary depending on kind of

adhesive type stabilizer.

16

Winding the Bobbin

zPlace the thread cone (spool of thread) on the rear

most spool pin.

Pass the thread through the thread guide A.

qThread guide A

xPass the thread through the upper hole and lower

hole in the thread guide B.

wThread guide B

cDraw the thread to the front.

Hold the thread with both hands and pass the

thread firmly around and under the tension disk.

eTension disk

vPass the thread through the hole in the bobbin

from the inside.

Put the bobbin on the bobbin winder spindle.

rHole in the bobbin

tBobbin winder spindle

bPush the bobbin winder stopper up against the

bobbin.

yBobbin winder stopper

nPress the bobbin winding button while holding the

thread end.

uBobbin winder button

mPress the bobbin winder button to stop the

machine when the bobbin has wound a few layers.

Cut the thread close to the bobbin and press the

bobbin winder button again.

,When the bobbin is fully wound, the machine will

stop automatically.

Remove the bobbin from the bobbin winder

spindle.

.Cut the thread with the bobbin thread cutter.

iBobbin thread cutter

zx

c

v

b

n

m

,

.

q

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u

i

17

Removing the bobbin case

zOpen the hook cover toward you.

qHook cover

xHold and open the latch of the bobbin case.

Take the bobbin case out from the machine.

wLatch

q

w

z

x

Inserting the bobbin

zInsert the bobbin into the bobbin case leaving a 2”

(5 cm) thread tail as illustrated.

qBobbin

wBobbin case

xDraw the thread to slip it into the slit of the bobbin

case.

eSlit

cPull the thread to slide it under the tension blade

until the thread comes out from the opening.

rTension blade

tOpening

vPass the thread through the pigtail by spiralling the

thread around the pigtail.

yPigtail

NOTE:

The bobbin should turn clockwise when the thread is

pulled.

q

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e

r

t

z

c

v

x

CAUTION:

Turn the power switch off before removing the

bobbin case.

y

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