3nStar LTT204 User manual

THERMAL TRANSFER LABEL PRINTER
USER MANUAL
LTT204

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Warning: The contents of this manual cannot be arbitrarily changed
without consent. We reserve the right to change the product in
technology, parts, software, and hardware. If you need further information
about the product, you can contact the dealer. No section of this manual
shall be reproduced or transmitted in any form or by any means without
permission.

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Contents
1. Printer Overview 5
1.1 Introduction 5
1.2 Product parameters 6
1.3 General Specifications 7
1.4 Ribbon Specifications 7
1.5 Media Specifications 7
2.Product description 8
2.1 Unpack and inventory accessories 9
2.2 Printer components 10
3. Installation 14
3.1 Install printer 14
3.2 Install the ribbon 15
3.3 Installation of paper 17
4. LED indicator and the function of button 22
4.1 LED indicator 22
4.2 General button function 22
4.3 Boot functions 23
4.3.1 Gap/black label sensor detection 23
4.3.2 Gap/Black Mark Calibration, Self-test and Dump Mode 24
4.3.3 Printer initialization 27
4.3.4 Skip the AUTO. BAS procedure 28
5. Diagnostic Tool 29
5.1 Enable DiagnosticTool tool program 29
5.2 Printer Setting 30
5.3 Printer Diagnostic Tool Program on paper sensor correction 31
5.3.1 Automatic correction 31
6. Troubleshooting 32
7. Printer Maintenance 35

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Copyright statement
This manual provides reference for the use of the equipment purchased by the
operator. It may not be used or copied for any other purpose without expressed written
permission.
All other brand names, product names, or trademarks belong to other individual
owners. Due to continuous product improvement, the machine specifications,
accessories, parts, design and software content described in the manual are based on
real machines and are subject to change without notice.

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1. Printer Overview
1.1 Introduction
Thank you for purchasing our thermal transfer/thermal barcode printer.
The slidable media sensor supports a wide range of paper types, including paper rolls, paper
slicing and folding. In addition, other commonly used barcode papers can be used.
This model has a built-in high-quality font engine and font library. With a flexible firmware
design, users can also download True Type Font fonts to the printer's memory. Besides scaled
fonts, five different alphanumeric, OCR-A and OCR-B fonts are also available. Combining
powerful functions, a competitive price and high printing quality, this printer is your best choice
for thermal and thermal transfer printers.
When printing the label format, please refer to the information provided by your label editing
software. If you need to write your own program, it is for your reference.
TSPL, ZPL, DPL, EPL Instruction Manual.
Applications:
●Manufacturing & warehousing industry
●Logistics industry
●Medical industry
●Retail industry

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1.2 Product parameters
Product standard equipment
203 dpi
LTT204
Thermal transfer printing
○
Thermal printing
○
ABS plastic HOUSING
○
Gap sensor / through-transmission
○
Adjustable black mark sensor / reflection-TYPE
○
Ribbon sensor
○
Head open sensor
○
USB 2.0 (full speed) Communication Interface
○
8 MB SDRAM
○
8 MB FLASH
○
Feed button and LED indicator
○
Supports (Eltronand Zebra) emulation
○
Contains 8 kinds of dot matrix type fonts
○
Fonts and bar codes can be rotated in four directions (0, 90,180, 270 degree)
○
Included fonts
○
Can download Windows fonts for use
○
Can download firmware to update
○
Supports text, barcodes, photos. (Refer to TSPL, ZPL, DPL, EPL programmer’s manual for available
codepage)
○
SUPPORT BARCODE
Support image format
1D barcode
2D barcode
Code 39,
PDF-417,
Maxicode,
BITMAP,
Code 93,
BMP,
PCX (Max. 256 color graphics)
Code128 UCC,
DataMatrix,
Code128 subsets
QR code,
A,B,C, Codabar,
Aztec,
Interleaved 2 of 5,
EAN-8,
EAN-13,
GS1 DataBar
Composite code
EAN-128,
UPC-A, UPC-E,
EAN and UPC2 (5)
digits add-on, MSI,
PLESSEY,
POSTNET,
China POST,
GS1 DataBar,
Code 11

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1.3 General Specifications
General Specifications
Printer measurement
246mm (D)*199mm (W)*168mm (H)
Printer weight
1.6 kg
Power
Input: AC 100-240V Output: DC
24V Output: 2.5A, 60W
Environmental
conditions
Operating environment: temperature 5-40˚C (41-104˚F), Humidity (non-
condensing) 25-85%, Storage environment: -40-60˚C temperature: 10-90%
1.4 Ribbon Specifications
Ribbon external diameter
Max 35mm
Ribbon length
90 m
Ribbon internal core diameter
12.7 mm (0.5") (Ink outside Coating)
Ribbon width
Max. 110 mm
Min. 25.4mm
Ribbon winding type
Outer roll type

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1.5 Media Specifications
Printing resolution
203 DPI
300 DPI
Printing head resolution ratio
8 dots/mm (203 DPI)
11.8 dots/mm (300 DPI)
Print mode
Thermal transfer and direct thermal
Dot size
0.125 x 0.125 mm
0.084 x 0.084 mm
(width x length)
(1mm= 8 dots)
(1mm= 8 dots)
Printing speed (IPS: inches
per second)
127 mm (5") / s
101 mm (4") / s
Print width
25.4mm (1”) ~108 mm (4.25")
104 mm (4.09”)
Paper width (label + bottom
paper)
Max 115 mm (4.5")
Max 115 mm (4.5")
Min 25.4 mm (1.0")
Min 25.4 mm (1.0")
Paper thickness (label +
bottom paper)
Max 0.25 mm
Max 0.25 mm
Min 0.06 mm
Min 0.06 mm
Internal roll paper maximum
capacity outside diameter
127 mm (5") OD
127 mm (5") OD
Paper type
Continuous paper, gap paper, black label paper, folding paper,
perforated paper
Paper winding type
External roll type/internal roll type
Paper roller diameter
25.4 mm (1.0")
25.4 mm (1.0")
Label length
10mm ~1778mm (0.39"~70")
10mm ~889mm (0.39"~35")
Remarks:
If you use a label length less than 25.4 mm (1"), we suggest you use a label which has a perforated
line on the gap, so that it’s easy to tear off.

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2.Product description
2.1 Unpack and inventory accessories
The printer is specially packed to resist the damage that may occur during transportation. However, in view of the
fact that the printer may still be unexpectedly damaged while it is being transported, we suggest you check the
packaging and printer setup carefully when receiving the printer. If there is any obvious damage, please contact the
dealer directly to indicate the nature and extent of the damage; please keep the packing material so that the printer
can be mailed.
Install the printer on a clean, stable table and open the printer carefully. Check whether the following items are
included in the inventory:
Barcode printer x1
CD x1
Quick Start Guide x1
Power cable x1
Power supply kit x1
USB communication cable x1
Paper supply kit x1
Ribbon x1
Ribbon roller x2
Please keep the printer's packaging and materials properly for future transportation. If any of the above items are
missing, please contact the customer service department where you purchased the product.

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2.2 Printer components
Appearance
1. Feed Button
2. LED indicator light
3. Paper outlet
4. Cover open switch
3
2
1
4

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Internal parts
1. Ribbon gear 5. Bracket lock
2. Printhead 6. Cover support kit
3. Label guide 7. Black mark sensor
4. Front cover 8. Stripping sensor

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9. Ribbon fixed kit 13. Platen roller
10. Grating wheel 14. Ribbon fixed fastener
11. Ribbon gear 3 15. Used ribbon fixed fastener
12. Ribbon gear 2

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Back view
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1 2 3
1. Power switch
2. Power jack
3. USB (USB 2.0/ Full Speed mode)
4. Paper inlet
.
Attention: The transfer interface of the printer in the picture will difference according to the type of
machine you are purchasing. actual transfer interface Please refer to the product specification.

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3. Installation
3.1 Install printer
1. Install the printer on a stable, flat surface.
2. Make sure the power is turned off.
3. Insert one end of the USB cable into the slot on the back of the printer, and then
connect the other end of the cable to the appropriate slot on the computer.
4. Insert the power cord into the power cord connection.
5. Plug the other end of the power cord into an AC outlet.
ATTENTION:
Turn off the printer'spower switch and plug the power cord into the printer'spower socket. The transfer
interface of the printer in the picture will difference according to the type of machine you are
purchasing. actual transfer interface, please refer to the product specification.

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3.2 Install the ribbon
1. Pull the switch forward on both left
and right side to open the cover.
Use the arrow direction in the picture for
reference,
2. Push the plastic hook to the side and
pull down the printhead gently to access
the ribbon installation area.
Use the arrow direction in picture for
reference,
3. Insert the ribbon into the ribbon fixed
fastener at the right side and adjust the
wheel at the left side to fit. Pull the
ribbon through the bottom.
4. Install the used ribbon as the supply
ribbon. See picture below for reference.
Users can review the Quick installation
guide as well.

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5. Pass the ribbon around the print head, and
then the right side of the ribbon recovery shaft
on the ribbon recycling axis. The left ribbon
wheel corresponds to the position of the ribbon
to the concave surface of the ribbon recovery
axis.
6.Turn the ribbon gear 2 to flatten the ribbon and
take up the slack.
7. As shown in the picture to the left, press
upward with both hands where the arrow
indicates, then close the print head. Make sure
the print head is closed completely.

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Ribbon installation path

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3.3 Installation of paper
3.3.1 Installation of paper
1. Pull the switches on the left and right sides
of the cover in the direction indicated by the
arrows and open the top cover of the printer.
2. Put the paper on the label supply shaft
and use the paper coil to fix the paper on the
center of the supply shaft (if the paper is 4”
wide, the fixed piece can be taken down with
the paper scroll directly).
3. Put the paper on the paper rack.

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4.Pull the front end of the paper out (print
face up), guide the paper through the
paper guide block and the black mark
sensor. Pull the paper over the rubber
roller. Adjust the paper guide and paper to
the same width and having only slight
contact with each other.
5. Push the upper cover back-up with your
right hand and close the printer.

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6. Use the "Diagnostic Tool" to set the
appropriate sensor type according to
the paper category and correct the
label sensor (open "Diagnostic tool",
select the "printer settings" page,
press the "sensor correction" key),
Refer to chapter 5.3.
Note: The label sensor of this series printer is removable. Please confirm that the gap (or black
mark) of the paper is passed through the sensor. It is recommended that when you change the
different types of label paper to redo the sensor calibration.