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Read this document carefully to use this product 

safely and correctly. If your product is faulty, please 

read the included warranty card and contact the 

store you purchased it from. If you require further 

assistance, contact your local K-Sun customer 

support center.
Please also visit us at http://labelworks.epson.com 

for help and support. You can download the latest 

version of this User’s Guide from the website.

International ENERGY STAR® Compliance 

Statement 

The purpose of the International ENERGY STAR® 

Program is to promote the development and 

popularization of energy-efficient office equipment. 

As an ENERGY STAR® Partner; Seiko Epson 

Corporation has determined that this product meets 

the ENERGY STAR® guidelines for energy efficiency.

User’s Guide

Ver.01

Notation used in this manual

 DANGER

Handling the product improperly by ignoring 

this symbol can result in immediate danger of 

death or serious injury.

 WARNING

Handling the product improperly by ignoring 

this symbol can lead to death or serious 

injury.

 CAUTION

Handling the product improperly by ignoring 

this symbol can lead to injury and property 

damage.

Attention

Important information.

MEMO

Supplementary note

Reference page in this manual.

Example of label artwork.

,  , 

Buttons on the product.

"Name"

Menus and messages shown on the display, 

and manual names are enclosed in double 

quotes.

Body

 

Dimensions Approx. 193 (W) x 238 (D) x 66 (H) (mm)
Weight

Approx. 1,015 g (excluding batteries, tape cartridge)

Usage conditions 

Operating temperature

5 to 35 degrees C

Storage temperature

-10 to 55 degrees C

Supported tape width

4 mm, 6 mm, 9 mm, 12 mm, 18 mm, 24 mm

Power supply
Battery

 

AA alkaline battery x 6 

Rated time when using alkaline batteries 

Rated operating time / Rated resting time

0.5h / 1.0h

Safety Instructions

For your safety, read the attached documents carefully to use this product 

correctly. After you have read all instructions, keep this manual handy for 

future reference and to make your concerns clear.

Items below indicate safety precautions to protect users, their surroundings 

and their property from possible injury or damage.

Meaning of the symbols

This indicates an important reminder.

This indicates a prohibited item.

This indicates a mandatory procedure.

 

DANGER

When handling batteries

If any liquid from the battery gets into your eyes, promptly wash it 

out with clean water for more than 10 minutes and consult your 

doctor at once. If you do not, the liquid may cause loss of eyesight.

Never disassemble or modify the battery. This may cause fire, 

explosion, leakage, overheating or damage.

Do not expose the battery to fire or heat it. This may cause fire, 

explosion, leakage, overheating or damage.

 

WARNING

When using the AC adapter and power cable

The cords included with this product contain chemicals, including 

lead, known to the State of California to cause birth defects or other 

reproductive harm. Wash hands after handling. (This notice is 

provided in accordance with Proposition 65 in Cal. Health & Safety 

Code §25249.5 and following.)
Do not use any AC adapter or power cable other than the dedicated 

AC adapter and power cable. Do not use the AC adapter with other 

than the specified voltage also. Otherwise, damage, overheating, 

fire or electric shock may occur.
Take the following precautions when handling the AC adapter and 

power cable.

•  Make sure to avoid using multi-socket adapters.

•  Make sure the plug is not dusty before inserting it into an outlet.

•  Insert the plug firmly into the outlet.

•  Do not hold the AC adapter or the plug with wet hands.

•  Do not pull the power cable when disconnecting the plug. Be sure 

to hold the plug when disconnecting it.

•  Do not make any modification to the AC adapter or power cable.

•  Do not apply strong shocks to or put a heavy object on the AC 

adapter or power cable.

•  Do not bend or twist the AC adapter or power cable forcibly.

•  Do not place the AC adapter or power cable near a heater.
Do not use any damaged AC adapter or power cable. Otherwise, 

damage, overheating or smoking may occur, which may result in fire 

or electric shock.
Do not touch the plug during thunderstorms.

When handling batteries

Keep the battery away from fire or flame if it produces a strange 

odor or leakage. Otherwise fire or explosion may occur.
Should any battery liquid get on skin or clothing, promptly wash it 

off with clean water. If you do not, the liquid may damage your skin.
Do not expose the battery to water. Do not allow water to contact 

the terminals. This may cause fire, overheating, or electric shock.
Keep batteries out of reach of children. They are extremely 

dangerous if swallowed. Contact a doctor immediately if swallowed.

When using this product

Do not apply any strong force or shocks to the product such as 

standing on, dropping or hitting it. Otherwise, the product may be 

broken, which may result in fire or electric shock. If it is damaged, 

turn off the power immediately, unplug the AC adapter and remove 

the batteries, and then contact the K-Sun customer support center. 

Continuous use may result in fire or electric shock.
Take care not to spill any beverage such as tea, coffee or juice onto 

the product, or to spray aerosol insecticide. It may cause 

malfunction, fire, or electric shock. If any liquid has been spilled on 

the product, turn off the power, unplug the AC adapter and remove 

the batteries immediately, and then contact the K-Sun customer 

support center. Continuous use may result in fire or electric shock.

Do not touch the printhead because it becomes very hot. 

Otherwise, there is a risk of burns.
Do not open any covers other than the top cover or battery cover. 

Doing so may result in fire or electric shock. Always use the product 

as instructed in this manual. Otherwise, damage or injury may occur.
Never modify or disassemble this product. Doing so may cause fire 

or electric shock. Do not carry out any operations not described in 

this manual, or the product may break or cause injury.
If any of the following abnormalities is observed, turn off the power 

immediately, unplug the AC adapter and remove the batteries, and 

then contact the K-Sun customer support center.

•  If smoke, strange odors or unexpected noises come from the 

product

•  If liquid or foreign objects get inside the product

•  If the product has been dropped or damaged
Do not touch the tape eject slot, during printing or when the auto 

cutter is in operation. Otherwise there is a risk of injury.

When handling the PeelGuard®

When removing the PeelGuard tray, make sure to turn the power off. 

If the product operates without the PeelGuard tray, injury or 

damage may occur with the blade inside the product.
When cleaning the PeelGuard tray, do not touch the PeelGuard 

blade, as there is a risk of injury. Do not insert anything other than 

labels into the tape insertion slot. Otherwise, damage to the 

PeelGuard may occur.

When handling the auto cutter

Do not touch the tape outlet slot (where the labels come out) 

during printing or when the auto cutter is in operation. Otherwise, 

there is a risk of injury.

Others

Do not use or store the product, batteries, AC adapter, power cable, 

or tape cartridges in the following places.

•  In direct sunlight.

•  Where it may become extremely hot such as in a vehicle with the 

windows closed.

•  Where it may become extremely hot such as near a heater or the 

temperature becomes very unstable such as near the exhaust duct of 

an air conditioner.

•  Where the product may get wet due to a shower or rain such as in 

a bathroom or outdoors.

•  In a dusty place or where the product may be exposed to smoke 

or steam such as near the kitchen or a humidifier.

•  On an unstable place such as on a shaky table or on an inclined place.

•  Where it might be subjected to vibration or shock.

•  Near high-voltage power lines or something that generates a 

magnetic field.

Keep the plastic bags used to contain the product or this manual 

out of reach of children. Children may suffocate if they swallow 

them or put their heads into the bags.

 CAUTION

When handling batteries

If liquid leaks from a battery, wipe it off with a cloth and replace it 

with a new one. If the liquid comes in contact with your skin, wash it 

away with water immediately.
If the batteries are used incorrectly, they may cause leakage, 

overheating, explosion, erosion, or damage to the product, which may 

result in fire or injury.

•  Do not use new ones and old batteries together, or mix different types of 

batteries.

•  Use AA alkaline batteries.

•  Use batteries in the correct directions.

•  Take the batteries out immediately when they have no power 

remaining.

•  Take the batteries out if you do not use the product for a long 

time.

•  Do not heat batteries or throw them in fire or water.

•  Do not pinch the batteries with metal tweezers or use any pointed 

sharp metal object such as the tip of a mechanical pen or ball-

point pen when taking the batteries out.

When disposing of used batteries, make sure to follow the 

regulations.

When using the AC adapter

Do not unplug the AC adapter while the product is in operation, 

otherwise printing may not be successful.
Do not use the AC adapter in a small, confined space, or cover it 

with a cloth. Otherwise, the AC adapter may overheat and 

deteriorate.

When using this product

Do not stand or put anything heavy on the product or place it on an 

unstable place such as on a shaky table or on an incline. Otherwise, 

the product may fall and cause injury.
To ensure safety, unplug this product before leaving it unused.

Before cleaning, make sure to unplug the AC adapter from the 

outlet, and remove the batteries.
Do not use a moistened cloth or solvents such as alcohol, thinner or 

benzine.
Do not block or insert objects into the supplied AC adapter socket 

or the tape eject slot.

When handling tape cartridges

•  Make sure to use a dedicated   PX Tape.

•  Some types of tape cannot be cut by the cutter. For the details, refer to 

the tape's manual.

•  Do not drop it or disassemble it. Doing so may cause  damage.

•  Do not pull out the tape forcibly by hand. But make sure to feed the tape 

with 

 . Otherwise, the tape cartridge may be broken and unusable.

•  Avoid using a tape cartridge without remaining tape. Doing so may 

cause overheating of the printhead, which may result in damage or 

malfunction.

MEMO

Tape cartridges contain ink ribbons in them. When disposing of tape 

cartridges, make sure to follow the local regulations for disposal.

Other cautions

Notes on usage
•  Do not touch the thermal head. Static electricity may damage the 

thermal head.

•  Do not plug in and unplug the AC adapter while printing. Power may be 

cut off.

•  Operate the keyboard gently.

•  Take care not to cut your fingers when cutting the label with scissors.

•  Do not attach a label on human bodies, living things, public facilities or 

other people’s belongings.

•  Be sure to turn the power off after use.

•  Powering off message is displayed while turning off the product. Do not 

remove the AC adapter until the message disappears.

•  Be sure to replace batteries with the power turned off. If you replace the 

batteries while the product is powered, files or data stored on it may be 

deleted.

Messages

This section explains the remedies when the following messages 

appear on the display.

Check battery

Change alkaline

The batteries run out. Turn off the power and 

replace all batteries with new ones.

Cover open!

Top cover is open. Close the top cover.

Insert tape

Check if the tape cartridge is loaded or correctly 

set.

For details, 

 "Installing a tape cartridge"

Check tape

cartridge

The loaded tape is not supported. Insert a 

correct cartridge.

Length setting 

is too short

When label length is set to less than 1.8 cm, set 

the label cutting method as follows.

Auto cut: On, Half cut: On

For details, 

 "Changing the Printer Settings"

No more

sequence No.!

Only up to 2 sequence numbers can be inserted.

No more barcode! Only up to 2 barcodes can be inserted.
QR CODE too big! Perform either of the following:

Use a wider tape. Reduce the text or cell size. 

Lower "ECC Level".

Overheated!

The printhead is overheated. Turn off the power 

and remove the tape cartridge, then leave the 

printer until it cools down.

Trash at slot 

Remove trash

Tape remains in the tape eject slot. Remove the 

tape.

Remove cut tape Unable to start printing because cut tape 

remains in the tape eject slot. Remove the tape 

from the tape eject slot.

Problem

Unable to detect the tape correctly

Is the tape cartridge correctly installed?

Check that the tape cartridge is correctly installed.
Is the label for detecting the tape cartridge clean?

If not, wipe the dirt off with a soft cloth.
Is the detection sensor of the printer clean?

If not, wipe the dirt off with a soft cloth.

MEMO

If none of the above has solved the problem or the symptom is 

other than the above, contact the K-Sun customer support center.

Troubleshooting

Included Items

Specifications

The included items differ depending on the type of product package you purchased. Use the following table to check the items.

If you would like to purchase an item that is not included or have purchased a package other than one in the following table, see 

the separate sheet included with the product.

No.

Included item name

Package name

LW-PX750 Full kit

LW-PX750 Lite kit

1

LW-PX750

2

AC adapter

3

PX tape cartridge

4

USB cable

-

5

Label Editor Professional CD-ROM

-

6

Documents *

* You can download LW-PX750 User's Guide (PDF version) from http://labelworks.epson.com.

1

2

3

4

5

6

AC adapter 

Type

AST1116Z2-1

Manufacturer

Seiko Epson Corp. 

Input

AC100-240V, 0.4A, 50-60Hz

(dedicated adapter, power cable only)

Output

DC11V, 1.64A

Total output power

18 W

About the Symbols on this Product

On this product, the following symbols are used in order to ensure safety 

and proper use of the product, and to prevent danger to users and other 

persons as well as property damage.

The symbols indicate the meanings listed below. Be sure that you 

completely understand the meaning of the symbols on this product before 

using it.

On/Stand-by

Direct current

Hot surface

Polarity of D.C. power connector

LABELWORKS PX

LW-PX750

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