Max LM-550A2 Series Instructions and recipes

1
Install a new ribbon to the ribbon case
How to load consumables
1. Open the cassette cover.. 2. Push the head release lever (blue) until it stops.
1. Holding the “Winding core”, pull the “Ribbon core”
lightly so that the adhered portion comes off.
When pulling the “Ribbon core”,
let the core turn so that the ribbon is not gone slack.
2. While pressing “Button B,” set the ribbon core
(green or blue) as shown in the figure.
Then, release the “Button B” to lock the ribbon.
Do not push too deep or too hard on the Button B.
Pay attention to the top and bottom of ribbon case.
3. While pressing “Button A,” set the winding core (black)
as shown in the figure.
Then, release “Button A” to lock the ribbon.
Do not push too deep or too hard on the Button A.
4. Rotate the ink ribbon toward the direction of the arrow until the black surface appears.
(The color changes in the order of transparent → blue → black)
When the surface (black) has appeared, stop rotating.
Make sure the ribbon is not slack.
Rotation
The color changes.
Press
Button A
Insert
Insert
Press
Button B
Push the lever
Proper loading
Hold the ink ribbon case
as illustrated below and
load it completely.
Ink ribbon
Press it lightly,
to check it is
set completely.
1. The supplementary manual of LM-550A2 series

2
If the tube is jammed, do not pull the tube by hand.
Remove the jammed tube with using the “FEED” function.
1. Turn off the power. Then, open the cassette cover.
2. Remove the ink-ribbonand then, slide the M roller lever (Silver) to unlock.
3. While pressing C , press ON/OFF for about 3 seconds.
Then, release ON/OFF first, while displaying the logo of “LETATWIN”.
4. [FEED screen] appears.
5. Press key to rotate the platen (black) roller. The jammed tube can be removed.
1. Slide the M roller lever (Silver) to the right until it stops.
Check the curl of the tube and load it
in the curl angle shown below.
Tape
Tube
2. Load the cassette tape according to the figure below.
1. Slide the M roller lever (Silver) to the left until it stops.
Note
Usable tubes are only from 1.5mm to 8.0mm
Do not use the tube that has been bent, crushed or badly
stained,in order to avoid tube jamming or
any other trouble on the machine.
In case of some generic tubes,
the machine cannot print them correctly.
To print 7.0 - 8.0mm tube, please set the print
pressure “L” (low). (See page18 4-9 of operation manual.)
However, under the low temperature, low print pressure “L”
may result in blur print. In such a case, please set it back to “N”
(Normal print pressure).
2. Load the tube according to the figure below.
How to remove the jammed tube
Pull the head release lever (blue).
Insert cassette in the guide.
4.1mm ID Plate
2. Load the attachment for 4.1mm ID plate according
to the figure below.
1. Slide the M roller lever (Silver) to the left until it stops.
Pull tape out about 4cm.
Hold tube in place.
Slide lever to lock.
Pull tube out 2cm.
Pull the head release lever (blue).
Hold down the tube
to print correctly
when loading tube.
1 2
cm
Do not load
the curl in the
incorrect angle.

3
BE SURE TO READ
2. BE SURE TO READ
2-1 INTRODUCTION
Thank you for your purchasing MAX TUBE MARKER LM-550A2/PC・LM-550A2B/PC・LM-550A2BH/PC.
This machine is equipped with a variety convenient features that are designed to print on tubes,
tapes and ID plates. Make sure to carefully read the “Precautions for Use” and the instruction
manual, in order to use the machine correctly. Since all of the notes shown here are important
contents concerning safety, please carefully observe them.
2-2 PRECAUTIONS FOR USE
[Indications]
This operation manual and the machine use various indications in relation to the safe and proper
operation of the machine. The indications and their meanings are as follows.
WARNING Negligence of this could lead to death or serious injury of an operator.
CAUTION Negligence of this could lead to an injury of an operator, damage to
your properties, or cause created data be lost.
Describes operation, which may cause a trouble to the instrument and require a
repair, or operation, which requires resetting operation, etc. to restore the condition
of the instrument.
Describes the points of operation and tips.
Describes a functional precaution.
[Symbols]
: Denotes “what you should be aware of.”
: Denotes “what you must not do.” An indication in or near this symbol
shows a specific prohibition.
: Denotes “what you must do.” An indication in this symbol shows a specific
instruction.

4
BE SURE TO READ
WARNING
Never disassemble or modify the machine –– it can cause a fire,electric shock, or
trouble.
Never modify the AC cord. The modified cord can led to a fire or electric shock.
Do not put any foreign substance, such as a finger, a pen, or wire, inside the machine
–– it can damage the machine or cause a fire or electric shock.
Obtain power directly from an electric outlet. Do not put too much load on one electric
outlet –– it can cause a fire.
Never put a heavy object on a power cord –– the cord can be damaged, leading to a
fire or electric shock.
Do not disconnect/reconnect a power plug with a wet hand –– you could receive an
electric shock.
Take care not to splash water or chemicals over the machine. If any liquid should
somehow get inside the machine, disconnect the power plug immediately from the
electric outlet, and contact our dealer for repair. If the machine is used in that state, it
may cause malfunction, damage, fire or electric shock.
Use only specified AC Adapter appended to the machine.
Never operate the machine with wet hand or with wearing wet clothes – you could
receive an electric shock.
Never cover the machine with paper or cloth while the machine is connected to the
electric outlet.
Do not use this machine around children.
Do not use a machine that is out of order. If used in such condition, for example, when
emitting smoke or an abnormal sound or peculiar odor, it can cause a fire or electric
shock. Disconnect the power plug immediately from the electric outlet, and contact
our dealer.
Never use the AC cord with leaving it bundled or winded. This may lead to a fire or
damage to the AC cord.
Never use the damaged AC cord. The damaged AC cord may lead to damage to the
machine, a fire or electrics hock.
When disconnecting the power cord, never hold the AC cord by the cord and make
sure to hold it by the plug. Pulling on the cord may lead to damage, which causes fire
or electric shock.
Make sure to connect the AC plug to an electric outlet which meets the input
specification of the AC adaptor. Mismatch may lead to damage of the machine, a fire
or electric shock.
Make sure to clean the power plug periodically. Leaving the connected power plug
without clean up may lead to accumulated dusts causing a fire or damage to the
machine.
Never touch the printer head. Immediately after printing, it is very hot and it may
cause burn on the hand and/or the fingers
Never touch the cutter parts (the blade of Half-cutter and Full cutter) of the instrument.
Touching the cutter blades may cause serious injury.

5
BE SURE TO READ
CAUTIONS
Contents saved in the USB memory and in the internal memory cannot be permanently
saved. Please note that we are not responsible for damages or lost profits resulting
from data loss attributable to battery consumption, problems, repairs, etc.
Do not share the electric outlet with other equipment (such as air conditioner,
refrigerator, microwave, office automation equipment, electrical power tools, etc.) which
requires a large electrical capacity –– if the voltage drops, then the machine could
malfunction.
Never lick the ink ribbon, tubes and tapes.
Make sure to place the machine on the stable and horizontal work table. Avoid unstable
or inclined place. It may lead to an injury or damage to the machine.
Do not touch the USB connector or power inlet. It may lead to damage of the printer by
electrostatic.
This equipment is not suitable for use in locations where children are likely to be present.
When the machine will not be used for a long time period, disconnect the power plug
from the electric outlet, for safety.
Prior to moving the machine to another place, make sure to disconnect the power plug.
Moving the machine to another place with leaving the power plug connected may lead
to damage of the power plug or the AC cord, which may result in a fire or electric shock.
When inserting/removing the USB memory, be sure to turn off the power beforehand.
If the power is not turned off, an data loss or trouble may result.
When replacing the half cutter, make sure to turn off the power beforehand. Otherwise,
the machine may unexpectedly operate and lead to an injury.
Regardig battery handling
Be sure to observe the following as it may cause liquid leakage, ignition, or explosion,
resulting in injury or burns.
Never disassemble, heat-up or short-out the battery.
Do not mix and use different types of batteries.
Insert the (+) and (-) direction of the battery correctly.
When not being used for a long time, remove and store the battery.

6
BE SURE TO READ
In order to prevent problems with the machine, follow the precautions
below.
1. This machine and AC adopter are
precision products. Handle them
carefully, do not drop them and do
prevent them from any shock or impact.
2. For the consumables other than the
tubes (tape cassette, ink ribbon case,
cutter, etc), use the designated products
only. Never use other products.
3. When printing characters on the tubes,
do not use the tubes that has been bent,
crushed or badly stained. Especially,
hard dirt or foreign material attached to
the tubes may cause trouble of the
printer head.
4. Do not clog the exit of the tapes and
tubes. Do not insert things in it. Do not
pull the tapes or tubes when it is being
printed.
5. Do not lift up the machine holding its
cassette cover. The machine may fall.
6. If there is strong external noise or shock
applied to the machine during operation,
abnormal displays may appear or
contents of the memory may be erased.
7. Do not pull out the power cord while the
power key of the main body is turned on
or right after it is turned off, which may
cause malfunction or trouble such as
loss of contents of the setting or memory.
8. If tube is jammed, do not pull the tube by
hand. Remove the jammed tube with
using the “FEED” function. (page 15)
9. Do not place any heavy materials on the
machine or power cord.

7
BE SURE TO READ
10. Do not put metal fragments or similar
foreign substances in the USB port or
USB memory slot, which may cause
trouble due to electrostatic.
11. Do not press hard the display, which may
cause fracture of the display.
12. Do not spill liquid such as coffee, juice,
water on the machine.
13. To clean dirt of the machine, use a soft
cloth and wipe it off. When doing it, do
not use organic solvents or chemicals
such as thinner, benzene or alcohol,
which may cause deformation or
discoloration of the machine.
14. If you bring the machine from the cold
outside into a warm room, there may be
dew condensed within the machine due
to the rapid change of the temperature.
In this case, leave the machine in the
room for more than 30 minutes and use it
after confirming that the dew has
disappeared.
15. To avoid the cause of trouble, do not use
or store the machine in the following
places.
(1) Under the direct sun light or the
place near a thermal source such as
a heater.
(2) There is a lot of dust or humidity.
(3) Do not use the machine in the place
where the temperature becomes
lower than 10 or higher than 35 .
(4) Do not store the machine in the
place where the temperature
becomes lower than 0 or higher
than 40 .
16. To store or transport the machine, use
the attached carrying case or package
supplied to you when you bought the
machine.

8
CONTENTS
CONTENTS
1. THE SUPPLEMENTARY MANUAL OF LM-550A2 SERIES. ................................................. 1
2. BE SURE TO READ ............................................................................................................... 3
2-1 INTRODUCTION ................................................................................................................. 3
2-2 PRECAUTIONS FOR USE.................................................................................................. 3
3. CONTENTS ............................................................................................................................ 8
4. BEFORE USE ....................................................................................................................... 10
4-1 MAIN FEATURES.............................................................................................................. 10
4-2 CONFIRMING THE PACKAGE CONTENTS .................................................................... 11
4-3 NAME OF EACH SECTION .............................................................................................. 12
4-4 NAME OF KEYS AND THEIR FUNCTIONS ......................................................................13
4-5 INPUT SCREEN ................................................................................................................ 15
4-6 SELECTING THE SCREEN LANGUAGE......................................................................... 16
17....4-7
CLEANING THE PLATEN ROLLER OR REMOVING JAMMED TUBE (“FEED” function)
4-8 ADJUSTING THE HALF CUTTING DEPTH ..................................................................... 18
4-9 SWITCHING THE PRINTING PRESSURE....................................................................... 18
4-10 CONNECTING AC ADAPTER .......................................................................................... 18
4-11 USE WITH A RECHARGEABLE BATTERY (Panasonic eneloop recommended).. ........ 19
5 LOADING THE CONSUMABLES......................................................................................... 20
5-1 INSTALLING OR REPLACING THE INK RIBBON ........................................................... 20
5-2 LOADING THE TUBES AND THE INK RIBBON CASE.................................................... 21
5-3 LOADING THE TAPE CASSETTE AND THE INK RIBBON CASE .................................. 25
5-4 LOADING THE 4.1mm ID PLATE AND THE INK RIBBON CASE .................................. 27
5-5 REPLACING THE HALF CUTTER.................................................................................... 29
5-6 INSERTING THE USB MEMORY (EXTERNAL MEMORY) ............................................. 29
6. BASIC OPERATION ............................................................................................................. 30
6-1 PRINTING ON THE TUBE (PITCH PRINT) ...................................................................... 31
6-2 PRINTING ON THE TAPE................................................................................................. 33
6-3 PRINTING ONTHE IDPLATE (PITCH PRINT) .............................................................. 37
6-2-1 PITCH PRINT ON THE TAPE .................................................................................. 33
6-2-2 NORMAL PRINT ON THE TAPE.............................................................................. 35
7. INPUTTING AND DELETING CHARACTERS ..................................................................... 39
7-1 INPUTTING CHARACTERS ............................................................................................. 39
7-2 DELETING CHARACTERS............................................................................................... 39
7-3 INPUTTING CHARACTERS WITH “CODE” FUNCTION ................................................. 40
7-4 INPUTTING CHARACTERS WITH “DIACR” FUNCTION ................................................ 41
8. FUNCTIONS ......................................................................................................................... 42
8-1 SIZE ................................................................................................................................... 42
8-2 WIDTH ............................................................................................................................... 43
8-3 CHARACTER / LINE SPACE ............................................................................................ 44
8-4 PITCH PRINT .................................................................................................................... 45
8-4-1 PITCH LENGTH ....................................................................................................... 46
8-4-2 PITCH CUT............................................................................................................... 46
8-5 NORMAL PRINT................................................................................................................ 47
8-5-1 PRINTING LENGTH................................................................................................. 47
8-5-2 MARGIN ................................................................................................................... 47
8-6 VERTICAL ......................................................................................................................... 48
8-7 REPEAT............................................................................................................................. 48
8-8 UNDERLINE .................................................................................................................................... 49
8-9 SEQUENCE....................................................................................................................... 49
8-10 FRAME .............................................................................................................................. 50
3.

9
CONTENTS
8-11 SYMBOL............................................................................................................................. 51
8-12 MEMORY OF WORD ........................................................................................................ 52
8-13 IMAGE ............................................................................................................................... 54
8-14 ADVANCED SETTINGS.................................................................................................... 54
8-14-1 PRINTING DENSITY................................................................................................ 55
8-14-2 LOW TEMP. MODE .................................................................................................. 55
8-14-3 FEED THE HEAD OF TUBE .................................................................................... 55
8-14-4 “6, 9” MARK .............................................................................................................. 55
8-14-5 POSITION OF PRINTING LINE............................................................................... 56
8-14-6 CUTTING POSITION ............................................................................................... 56
8-14-7 AUTO POWER-OFF................................................................................................. 56
8-14-8 DEFAULT VALUE OF “PITCH LENGTH”................................................................. 57
8-14-9 DEFAULT VALUE OF “REPEAT” ............................................................................. 57
8-14-10 JUSTIFICATION ................................................................................................... 57
8-14-11 PRINTING STYLE OF “RPT” & “SEQ”................................................................. 58
8-14-12 LCD BRIGHTNESS .............................................................................................. 58
8-14-13 LCD BACKLIGHT ................................................................................................. 59
8-14-14 FONT CHOICE .................................................................................................... 59
8-14-15 REGISTER BASIC SETTING ............................................................................... 60
8-14-16 PERIOD .............................................................................................................. 60
8-15 COPY / PASTE .................................................................................................................. 60
8-15-1 COPY........................................................................................................................ 60
8-15-2 PASTE ...................................................................................................................... 60
8-18 TUBE HEATER ................................................................................................................. 65
8-17 MEMORY........................................................................................................................... 61
8-17-1 INTERNAL MEMORY............................................................................................... 61
8-17-2 USB MEMORY (EXTERNAL MEMORY) ................................................................. 63
8-16 INPUT ASSISTANCE FUNCTION ................................................................................... 61
9. PRINTING ............................................................................................................................. 66
9-1 PRINT RANGE SETTING SCREEN ................................................................................. 66
9-3 PRINTING LENGTH ALIGNMENT.................................................................................... 67
9-2 180° ROTATION PRINT .................................................................................... 66
9-4 CONTINUE PRINTING AFTER THE CONSUMABLES RUNNING OUT......................... 67
10. EDITING DATA AND PRINTING BY A PERSONAL COMPUTER ....................................... 68
10-1
INSTALLING “LETATWIN PC EDITOR” AND PRINTER DRIVER TO A PERSONAL COMPUTER ... 68
10-1-1 INSTALLING “LETATWIN PC EDITOR”................................................................... 68
10-1-2 INSTALLING THE PRINTER DRIVER..................................................................... 69
10-2 EDITING DATA ON A PERSONAL COMPUTER .............................................................. 71
10-3 PRINTING DIRECTLY FROM “LETATWIN PC EDITOR” ................................................. 71
10-4 SAVING DATA DIRECTLY FROM “LETATWIN PC EDITOR”........................................... 72
11. TROUBLE SHOOTING......................................................................................................... 73
11-1 ERROR MESSAGE LIST .................................................................................................. 73
11-2 TROUBLESHOOTING ...................................................................................................... 76
12. PRODUCT SPECIFICATIONS ............................................................................................. 78
13. APPENDICES ....................................................................................................................... 80
14. SPECIAL NOTICE FOR DISPOSAL(ONLY in India). ........................................................ 81

10
BEFORE USE
4. BEFORE USE
4-1 MAIN FEATURES
With simple operation, you can print characters directly on tubes and tapes.
High-speed printing (up to 40mm/s) and high durability.
MAX original application software (Letatwin PC Editor) is included.
Data created with “Letatwin PC Editor” can be directly printed by USB connection or
imported from your PC to LM-550A2/PC through USB memory.
Bright and large backlit LCD.
The internal memory of 250,000 characters and the external memory (USB memory as
option) are available.
Usable tubes and tapes are as follows:
Max genuine tubes = φ2.5mm, φ2.7mm, φ3.2mm, φ3.4mm, φ3.6mm, φ4.2mm,
φ5.2mm, φ6.4mm, φ8.0mm
Max grip tubes = φ2.9mm, φ3.7mm
Generic tubes
mm, mm
Shrinkable tubes = ,
mm, mm
Non PVC tubes = ,
Oval tubes =
Max genuine tapes = width: 5mm, 9mm, 12mm
ID Plate = width: 2.5mm, 4.1mm, 4.6mm, 6.3mm, 9.0mm
(Special attachment is required for printing on 1.5/2.0 tubes, 4.1mm ID plate and
Half cutting allows you to carry the tubes without losing and to remove tapes with ease.
Ten key allows you to input data quickly and easily.
Key top prints are protected with overcoat.
Carrying case makes it easy to store away safely.
Multiple screen languages can be selected.
A
Tubes of diameter φ6.8 and φ8.0 cannot be half-cut. Only NO / LINE / DOTS can be selected.
djustable half cutting depth with Depth adjustment lever.
φ2.9/3.7mm Max grip tubes.)

11
BEFORE USE
4-2 CONFIRMING THE PACKAGE CONTENTS
This machine comes with the following accessories.
Confirm that they are included before using the machine.
Main unit Carrying case
(Product Label is on the back of machine)
Instruction manual
Ink ribbon: black
(for tubes and tapes)
Ink ribbon : blue
(for 4.1mm ID plate and
heat shrink tubes)
(ONLY CE MODEL)
Ribbon case
AC adapter
Attachment for
Attachment for 4.1mm ID plate
(ONLY CE MODEL)
1.5/2.0mm tubes
and 2.9/3.7mm MAX Grip tubes

12
BEFORE USE
4-3 NAME OF EACH SECTION
Hook
Cassette cover
LCD display
Tape cassette
Guide
Ribbon case
Winding core
Ribbon core
Platen roller
Head pressure switching lever
Head release
l
ever (blue)
Tube holder A
Half cutter guide
(white)
Half cutter
(yellow color
)
Ribbon case holder
M roller lever
(silver)
Tape cassette holder
Lock button
Half cutting
de
pth adjustin
g
lever
USB Memory slot
AC adapter inlet
USB cable port
M roller (gold color)
Button A
Button B
Keyboard
Cutter button

13
BEFORE USE
4-4 NAME OF KEYS AND THEIR FUNCTIONS
<1> Keyboard layout
<2> Keys and their functions
1 ON/OFF Press this key to turn ON/OFF power.
2 ESC Press this key to return to the previous menu and not to make any changes.
When printing or displaying an “IMAGE,“ cancel the operation.
3
P.MATERIAL
(SHIFT Esc)
Press these key to set the “PRINTED MATERIAL” when changing material
without turning off power. (See 6:BASIC OPERATION)
SIZE Press this key to set the “SIZE” of characters. (See 8-1: SIZE)
TP/LNG
(SHIFT SIZE)
Press these keys to set the “PRINTING LENGTH” and the “MARGIN” for the
[NORMAL PRINT MODE]. (See 8-5: NORMAL PRINT)
WIDTH Press this key to set the “WIDTH” of characters. (See 8-2: WIDTH)
C /SPC Press this key to set the “CHARACTER SPACE” and “ LINE SPACE.”
(See 8-3: CHARACTER / LINE SPACE)
VRT
(SHIFT C/SPC) Press these keys to set the “VERTICAL PRINTING.” (See 8-6: VERTICAL)
PITCH Press this key to set the “PITCH LENGTH.” (See 8-4: PITCH PRINT)
P /CUT
(SHIFT PITCH)
Press these keys to set the way of “PITCH CUTTING.”
(See 8-4: PITCH PRINT)
RPT Press this key to set the repeating times and underline. (See 8-7: REPEAT)
(See 8-8 :UNDERLINE)
FRAME
(SHIFT RPT) Press these keys to set the “FRAME.” (See 8-10: FRAME)
SEQ Press this key to set the sequential numbers. (See 8-9: SEQUENCE)
SYMBOL Press this key to operate the “SYMBOL” function. (See 8-11: SYMBOL)
WORD
(SHIFT SEQ)
Press these keys to operate the “MEMORY OF WORD” function.
(See 8-12: MEMORY OF WORD)
12
11
10
9
8
7
2
14
13
3
4
6
5
1
15

14
BEFORE USE
3
OPTION
Press this key to enter “ADVANCDE SETTINGS”, to enter “TUBE
HEATER”(only for the CE and A11 model), to enter “DIRECT
PRINTING FROM PC” or to enter “DIRECT FILE TRANSFER FROM PC”.
(See8-14: ADVANCDE SETTINGS, 10-3: PRINTING DIRECTLY FROM
“LETATWIN PC EDITOR” or 10-4: SAVING DATA DIRECTLY FROM“
LETATWIN PC EDITOR”)
IMAGE
(SHIFT OPTION) Press these keys to display the printing image. (See 8-13: IMAGE)
MEMORY Press this key to operate the “MEMORY” function.
(See 8-17-1: INTERNAL MEMORY)
COPY
(SHIFT MEMORY)
Press these keys to copy the block indicated by the cursor.
(See 8-15-1: COPY)
USB MEM. Press this key to operate the “USB MEMORY” function.
(See 8-17-2: EXTERNAL MEMORY)
PASTE
(SHIFT USB MEM.)
Press these keys to pastes the copied block to the cursor position.
(See 8-15-2: PASTE)
4
BS Press this key to delete the character just before the cursor.
INIT.
(SHIFT BS)
Press these keys to Initialize all of the setting data. If any document is
remaining in the [INPUT screen], it is unable to initialize. After deleting the
entire document .
DELET Press this key to delete the character on the cursor. Press this key to
initialize user default or factory default value under the function keys menu.
CLEAR
(SHIFT DELET) Press these keys to delete the entire documents on the [INPUT screen].
5 Ten key Press this key to input numbers, comma and period.
6
/ / / Press these keys to move the cursor on the [INPUT screen] or change the
setting items under the function keys menu.
SHIFT or
SHIFT Press these keys to move the cursor to the top or the end of the document.
7 ENTER Press this key to determine the setting value on the [INPUT screen].
8
BLOCK Press this key to insert a new “BLOCK” just before the cursor.
EJECT USB
(SHIFT BLOCK)
Press these keys to eject USB memory from the machine, during the
power is ON.
9
CODE
Press this key to input the code number to insert symbols.
(See 7-3: INPUTTING CODE)
When “Chinese” as the screen language is selected, press this key to
allow you to input the Chinese character by using GB or Big 5 code.
DIACR
(SHIFT CODE)
Press these keys to input diacritics for European languages.
(See 7-4: INPUTTING DIACR)
10 SPACE Press this key to input a space.

15
BEFORE USE
4-5 INPUT SCREEN
Screen layout
11
A / a
A / a P
Recalls the character entered immediately before.
ress this key to switch capital letters to small letters, or vice versa.
12 SHIFT
SHIFT
Press this key to access secondary characters on the key or the secondary
functions of group (3), (4), (8), (9) and (13).
13
PRINT Press this key to move to the “PRINT” function.
FEED
(SHIFT PRINT) Press these keys tofeed tubes, tapes or ID plates.
14 Character keys Press these keys to input characters.
15 Press this key to change lines.
1 SHIFT Displays S when “SHIFT” is pressed, and it goes off when “SHIFT” is pressed again.
2 MEMORY Displays when USB memory is inserted and when it is accessible.
3 A ,a “A “is turned on. : Enables inputting capital letters
“a” is turned on. :Enables inputting small letters.
4 PRT/PITCH
In [PITCH PRINT MODE], display the “PITCH LENGTH.” (See 8-4: PITCH PRINT)
In [NORMAL PRINT MODE], displays the “PRINT LENGTH.”
(See 8-5: NORMAL PRINT)
5 PITCH CUT Displays the way of the “PITCH CUTTING.” (See 8-4-2: PITCH CUT)
6 BLOCK No. Displays the “BLOCK NO.” on the cursor.
7 INPUT screen Displays the characters entered and the edit marks.
8 STATUS screen The upper field displays the status of the sequential number if it has been set. The
lower field displays the printed material. Indicates that the underline has been set.
9 FRAME Displays when the framing is “ON.” (See 8-10: FRAME)
10 VRT Displays when the vertical printing is selected. (See 8-6: VERTICAL)
11 REPEAT Displays the repeating numbers of the block on the cursor. (See 8-7: REPEAT)
12 C/SPACE Displays character space. (See 8-3: CHARACTER/LINE SPACE)
13 C/WIDTH Displays the character. (See 8-2: WIDTH)
14 C/SIZE Displays the character size of the block on the cursor. (See 8-1: SIZE)
N
P
B
7
8
1
2
3
4
5
6
9
11
12
13
10
14
U
U

16
BEFORE USE
The meanings of edit symbols displayed on the screen are as follows.
(1) : Represents the [PITCH PRINT MODE] activated. Represents a group of blocks
with same pitch length until next [P] symbol. (See 8-4: PITCH PRINT)
(2) : Represents the block. Up to 999 blocks can be input in an entire document.
(See 8-4: PITCH PRINT)
(3) : Represents the line feed.
(Printing on tubes) 1 3.6 : Only 1 line can be set.
4.2 to 8.0 : Up to 2 lines can be set, provided 2mm
character size is used. (for 4.2 tubes,
the line space must be set to CNT (contact.)
5.2 to 8.0 : Up to 3 lines can be set, provided 1.3 mm
character size is used. (for 5.2 tubes,
t
Underline and frame are set appropriately.
Underline and frame are set appropriately.
he line space must be set to CNT (contact.)
(Printing on tapes) U
2mm or 1.3mm
p to 3 lines can be set, provided 9mm and 12mm tape and
character size are used.
(4) : Represents the SEQUENCE is set. (See 8-9: SEQUENCE)
4-6 SELECTING THE SCREEN LANGUAGE
Multiple screen languages can be selected, according to the model type of your machine.
Model type Language
LM-550A2/PC A11-T
LM-550A2BH/PC A11 English or Chinese(T) (Traditional Chinese Character)
LM-550A2/PC A12-C
LM-550A2BH/PC A12-C
LM-550A2/PC A12-TH
LM-550A2/PC BS
LM-550A2/PC SASO
LM-550A2/PC C72
LM-550A2/PC (IND)
LM-550A2B/PC (IND)
English or Chinese(C) (Simplified Chinese Character)
LM-550A2BH/PC CE English, German, French, Italian, Spanish,
Polish, Russian, or Turkish
[HOW TO SELECT]
1. Turn the power on, while pressing L and G at the same time.
The [LANGUAGE MODE screen] appears after displaying the LETATWIN logotype.
[LANGUAGE MODE screen]
ENTER , the power supply
automatically turns off.
3. Turn the power on again, then it starts up with the language selected.
Note: hen selecting English, you can neither input nor print Chinese characters.

17
BEFORE USE
4-7 CLEANING THE PLATEN ROLLER OR REMOVING JAMMED TUBE
(“FEED” function)
1. Open the cassette cover.
2. While pressing C , press ON/OFF for
about 3 seconds.
Then, release ON/OFF first while
displaying the logo of “LETATWIN.”
3. [FEED screen] appears.
4. Slide the switching lever (silver) to the right
until it stops, as shown in the figure.
5. Put wet cloth with water or alcohol to the
platen roller and clean it using / key.
Note: If the tube is jammed, remove the consumables using this “FEED” function. Do not pull
the tube by hand.

18
BEFORE USE
4-8 ADJUSTING THE HALF CUTTING DEPTH
Half cutting depth can be adjusted with the ”Half cutting depth adjustment lever”, when half
cutting depth is not adequate.
Note:
When printing on tubes, the lever has to be
positioned on the “TUBE.”
When printing on tape or ID plate, the lever
has to be positioned on the “TAPE” choice.
.
4-9 SW
4-10 CONNECTING AC ADAPTER
ITCHING THE PRINTING PRESSURE
Printing pressure can be adjusted with the “Printing pressure switching lever.”
Note: You don’t need to change the strength unless the printed result is too dark.
(Changing from the standard pressure to the low pressure)
1. Check that the release lever is at the
middle position. (The lever is standing)
2. While pressing the lock button, then slide
the printing pressure switching lever to
the right.
3. Now, the strength of the printing pressure
is low.
(Changing from the low pressure to the standard pressure)
1. Ch
1. Insert the AC adapter jack firmly into the connection part on
the right side of the main unit.
eck that the release lever is at the
middle position. (The lever is standing).
2. P
2. Insert the power plug of the AC adapter into the outlet/power
point .
ress the lock button.
Note: Don’t change the head pressure when
the head release lever is positioned as
the figure (“Open” position or “Close”
position).
Deep
Shallow
T
he release lever i
s
standing.
Low po
AC adapter
connection
sition
(1)
(2)
“Open” “Close”

19
LOADING THE CONSUMABLES
When using with batteries, rechargeable nickel-metal hydride batteries can be used
[recommended: eneloop standard model AA (BK-3MCC) x 4: sold separately].
It is convenient because data being entered can be saved at worksites without power or even if
it's temporary power blackouts.
When using battery power, a mark will be displayed on the screen.
4
(only for the LM-550A2BH/PC CE, LM-550A2BH/PC and LM-550A2B/PC(IND) model)
-11 USE WITH A RECHARGEABLE BATTERY (Panasonic eneloop recommended).
Note: ･Please use eneloop standard model AA (BK-3MCC) x 4 rechargeable batteries.
(Recommendation)
Please note that if you use other batteries or rechargeable batteries, the printer
performance may not be fully realized, and it may not operate normally.
･When using other rechargeable batteries, please contact your local distributor.
Batteries are not included with this unit from the manufacturer.
Please use eneloop standard model AA (BK-3MCC) x 4 from Panasonic Corporation.
(Recommendation)
･This unit does not have a battery charging function. Please Be sure to use the dedicated
charger to charge the battery.
・Be sure to turn off the power before setting or replacing the battery.
You can make about 500 marked tube blocks when fully charged.
The tube heater cannot be used when using batteries.
At low temperatures ( 15 ° C or less), battery performance may deteriorate and normal
operation may not be possible, so be sure to use the AC adapter.
* [eneloop] is a registered trademark of the Panasonic.
1. Remove the battery cover on the bottom
of the main unit.Lift the battery cover by
pulling the knob toward you.
2. Insert the battery paying attention to the
+ and - direction.
Please use a rechargeable nickel-metal
hydride battery [recommended: eneloop
standard model AA (BK-3MCC) x 4: sold
separately].
3. Align the packing of the battery cover
with the groove on the bottom of the main
unit, and fit it firmly.
Knob
Claw

20
LOADING THE CONSUMABLES
3. While pressing “Button A,” set the
winding core as shown in the figure.
Then, release “Button A” to lock
the ribbon.
4. Rotate the ink ribbon toward the direction
of the arrow until the black surface
appears. (The color changes in the order
When the surface (black) has appeared,
stop rotating.
Button A
Press
Release
The color changes.
Rotation
1. Install a new ribbon to the ribbon case.
2. While pressing “Button B,” set
the ribbon core as shown in
the figure. Then, release the
“Button B” to lock
the ribbon.
Pay attention to the top and
bottom of the ribbon case.
1. Holding the “Winding core”, pull
the “Ribbon core” lightly so that
the adhered portion comes off.
turn so that the ribbon is not gone slack.
5-1 INSTALLING OR REPLACING THE INK RIBBON
Note: Use a ribbon case (LM-RC500) for (LM-550A2 series )
Ribbon case LM-RC300 cannot be used for LM-550A2 series.
Also, ink ribbon LM-IR50B/LM-IR50W/LM-IR50BP cannot be set in ribbon case LM-RC300.
Name of each section
Top
(
Transparent)
Bottom
Ribbon case
Winding core Ribbon core
The side with letters comes the top.
Button B
Button A
When pulling the “Ribbon core”, let the core
5. LOADING THE CONSUMABLES
Follow the steps bellow.
(2) Loading the tube or tape.
(1) Installing the ink ribbon to the ink ribbon case.
(3) Loading the ink ribbon case.
Insert
Insert
Press
Release
Button B