Shandong New Beiyang Information Technology Co. BTP-L540 User Manual

USER’S MANUAL

Label Printer

BTP-L540

Shandong New Beiyang Information

Technology Co., Ltd

BTP-L540 User’s Manual

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Declaration

Information in this document is subject to change without notice.
SHANDONG NEW BEIYANG INFORMATION TECHNOLOGY CO.,
LTD. (hereinafter referred to as “SNBC”) reserves the right to
improve products as new technology, components, software, and
hardware become available. If users need further data about these
products, please feel free to contact SNBC or our local dealer.
No part of this document may be reproduced or transmitted in any
form or by any means for any purpose without the express written
permission of SNBC.

Copyright

Copyright © 2012 by SNBC
Printed in China
Version 1.1

Trademark

Our Registered trademark:

Warning and caution

Warning:

Items shall be strictly followed to avoid injury or

damage to body and equipment.

Caution: Items with important information and prompts for

operating the printer.

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SNBC has been approved by the following
certifications:

ISO9001 Quality Control System
ISO14001 Environmental Management System
OHSAS18001 Occupational Health and Safety Management
System
IECQ QC080000 Hazardous Substance Process Management
System

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Safety Instructions

Before installing and using the printer, please read the following
items carefully.

1． Safety warning

The print head is a thermal element and it is at a high

temperature during printing or just after operation, therefore do
not touch it or its peripherals for safety’s sake

.

The print head is an ESD-sensitive device. To prevent damage,

do not touch either its printing parts or connecting parts.

2． Notices

1) Install the printer on a flat and stable surface;

2) Reserve adequate space around the printer so that convenient
operation and maintenance can be performed;

3) Keep the printer far away from water source, and do not expose
the printer to direct sunlight, strong light and heat;

4) Do not use or store the printer in a place exposed to high
temperature, high humidity or serious pollution;

5) Do not place the printer in a place exposed to vibration or
impact;

6) No condensation is allowed to the printer. In case of such
condensation, do not turn on the power until it has completely
gone away;

7) Connect the printer power to an appropriate grounding outlet.
Avoid sharing one electrical outlet with large power motors or
other devices that may cause the fluctuation of voltage;

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8) Disconnect the power when the printer is deemed to idle for a
long time;

9) Don’t spill water or other electric materials into the printer (e.g.
metal). In case this happens, turn off the power immediately;

10) Do not allow the printer to start printing when there is no
recording paper installed; otherwise the print head and platen
roller will be damaged;

11) To ensure quality print and normal lifetime, use recommended
paper or its equivalent;

12) Shut down the printer when connecting or disconnecting
interfaces to avoid damages to control board;

13) Set the print darkness to a lower grade as long as the print
quality is acceptable. This will help to keep the print head
durable;

14) Avoid turning on and off the printer frequently. It is advised to
turn on the printer at least 2 seconds after the printer is turned
off;

15) Do not disassemble the printer without permission of a
technician, even for repairing purpose;

16) Keep this manual safe and at hand for reference purpose.

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Contents

1 Product description ..................................................................... - 1 -

1.1 Introduction .......................................................................... - 1 -

1.2 Unpacking and checking...................................................... - 1 -

1.3 Appearance and module ..................................................... - 2 -

1.4 Introduction of main modules .............................................. - 3 -

2 Printer installation ....................................................................... - 5 -

2.1 Installation position .............................................................. - 5 -

2.2 Paper roll installation ........................................................... - 5 -

2.3 Power adapter connection ................................................... - 6 -

2.4 Communication cable connection........................................ - 7 -

2.5 Start the printer .................................................................... - 7 -

2.5.1 Power-on and self-test .................................................. - 7 -

2.5.2 Printing self-test page ................................................... - 8 -

2.6 Driver setup .......................................................................... - 8 -

3 Printer operations ..................................................................... - 11 -

3.1 LED, buzzer, feed button and LCD ................................... - 11 -

3.1.1 LED functions .............................................................. - 11 -

3.1.2 Button functions .......................................................... - 11 -

3.1.3 Buzzer functions .......................................................... - 12 -

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3.1.4 LCD functions .............................................................. - 12 -

3.2 Printer status and operation .............................................. - 12 -

3.2.1 Printer status ............................................................... - 12 -

3.2.2 Daily operations .......................................................... - 13 -

3.3 Printer parameter settings ................................................. - 14 -

3.3.1 Button menu settings .................................................. - 14 -

3.3.2 Detailed parameter setting range ................................ - 17 -

3.4 Sensor position adjustment ............................................... - 18 -

3.5 Print position adjustment ................................................... - 20 -

4 Routine maintenance ............................................................... - 23 -

4.1 Cleaning print head ............................................................ - 23 -

4.2 Cleaning the sensor ........................................................... - 23 -

4.3 Cleaning platen roller ......................................................... - 24 -

5 Troubleshooting ........................................................................ - 26 -

5.1 Troubleshooting ................................................................. - 26 -

5.2 Print quality problems ........................................................ - 28 -

6 Appendix ................................................................................... - 29 -

Appendix 1 technical specification ........................................... - 29 -

Appendix 1.1 main technical specifications ......................... - 29 -

Appendix 1.2 technical specifications of paper .................... - 32 -

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Appendix 2 self-test page ........................................................ - 33 -

Appendix 2.1 printer configuration information .................... - 33 -

Appendix 3 print and paper out position .................................. - 34 -

Appendix 4 communication interface....................................... - 36 -

Appendix 4.1 serial interface ................................................ - 36 -

Appendix 4.2 parallel interface ............................................. - 37 -

Appendix 4.3 USB interface ................................................. - 37 -

Appendix 4.4 Ethernet interface ........................................... - 38 -

Appendix 5 operation guide for paper loading under peel-off mode

(optional) .................................................................................. - 39 -

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1 Product description

1.1 Introduction

BTP-L540 label printer is an ideal label and barcode printing device
for office use, with delicate appearance and excellent performance.
It can apply to many fields, such as real-time label printing, product
label batch printing, transportation and logistics label printing,
medical label printing and business label printing.
BTP-L540 label printer can be connected to the peripherals via USB
or other interfaces and can provide universal drivers under the
operating systems such as Windows 2000/Windows XP/Windows
server 2003/ Windows Vista/ Windows server 2008/ Windows 7/
Windows 8 and other applications.
Main features:

Ø Thermal printing;
Ø Low noise, high speed printing;
Ø Easy paper loading, convenient operation;
Ø With 32 bit high speed microprocessor;
Ø Adopting heat history and auto temperature adaptation control;
Ø Adopting a new type of print head with long lifetime, high printing

quality;

Ø Supporting continuous paper, label paper, marked paper, etc.

1.2 Unpacking and checking

Open the packaging, and check the items according to the packing
list. Please contact SNBC or your local dealer if there is shortage or

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damage (communication cables are optional depending on the
printer interface type).

Figure 1.2-1

1.3 Appearance and module

1—window 2—top cover
3—LCD (optional) 4—Logo plate
5—bottom cover 6—guard board for bottom cover
7—button 8—power switch
9—cover open lever 10—LED
11—tear-off bar 12—print head fixing plate
13—print head 14—latch
15—guard board for print head 16—transmissive sensor
17—upper path 18—paper roll holder baffle
19—paper roll holder 20—sensor cover board
21—platen roller shaft sleeve 22—platen roller
23—lower path 24—paper roll holder thumb wheel
25—entrance for external paper roll 26—9-pin serial interface baffle

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27—serial interface 28—interface board
29—USB interface 30—24V power interface
31—micro switch 32—reflective sensor

1.4 Introduction of main modules

1) Button and LED (7, 10): indicate the printer status and complete
printing function;

2) Power switch (8): press “O” to power off and press “－” to power
on;

3) Transmissive sensor (16): used for calibration, detection and
location of media like label paper;

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4) Paper roll holder baffle (18), paper roll holder (19): support paper
roll holder and stop paper roll holder from shaking;

5) Print head micro switch (31): used to detect whether the print
head is uplifted or pressed down;

6) Reflective sensor (32): used for the calibration, detection and
location of media like black marked paper.

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2 Printer installation

2.1 Installation position

Flatly place the printer on the operation table, which must be
waterproof, moistureproof and dustproof. The maximal tilted angle
should not exceed ±15° during installation.

2.2 Paper roll installation

1) Pull the cover open lever towards the front of the printer and turn
the top cover upward to open it (see figure 2.2-1);

2) Pull the left and right paper holders apart and load the paper roll,
then pull the front of paper roll out to spread it in the print path,
and push the paper under the paper guide (see figure 2.2-2);
turn the thumb wheel properly in the direction shown in the figure
to decrease the force on paper roll (see figure 2.2-3);

3) Ensure the paper is installed in the path correctly, and close the
top cover;

4) If the diameter of paper roll is very big, use the corresponding
tool to remove the paper holder baffles, then turn the baffles, and
insert them into the center holes of the left and right paper
holders along the guiding slot (see figure 2.2-4);

Figure 2.2-1 open top cover

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Figure 2.2-2 load paper roll Figure 2.2-3 adjust thumb wheel

Figure 2.2-4 change the installation way of paper holder baffle

2.3 Power adapter connection

1) Ensure the printer is turned off;

2) Connect one end of the AC power input cable to power adapter,
and then insert the other end of the power adapter into the power
adapter interface on the back of printer;

3) Insert the other end of AC power input cable into the 220V power
socket.

Caution

n If leaving the printer idle for a long time, please disconnect the

power of printer.

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2.4 Communication cable connection

1) Ensure the printer is turned off;

2) Insert the communication cable into the suitable interface, and fix
it with screw or latch spring of the plug;

3) Connect the other end of the communication cable to the host.

Caution

n Don’t connect or disconnect the serial/parallel communication

cable when the power has not been turned off.

2.5 Start the printer

2.5.1 Power-on and self-test

1) Ensure the power adapter and the communication cable are
connected correctly, and turn on the printer;

2) The printer starts the self-test. The buzzer beeps once for a short
time after the self-test is finished, and then the LCD displays
manufacturer LOGO and status information or product model;

3) If power-on action is set, the printer will perform power-on action.

Note: Power-on action refers to the actions performed automatically after

the printer is turned on, including feeding one label, starting
calibration automatically (only valid under discontinuous paper
mode). The power-on action can be set by commands or
configuration tools.

Caution

n If the printer can not be started or can not work normally after it

is started, please contact SNBC or local dealer in time.

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2.5.2 Printing self-test page

1) Install the media, and turn on the printer. The printer will feed
paper and print self-test page (see Appendix 2.1) through button
operations (for the detailed operation methods, please refer to

3.3.1 Button menu settings);

2) The self-test page lists the current configuration information of
the printer.

2.6 Driver setup

The installation program of the driver is included in the CD packed
with the printer, which can also be downloaded from the website
www.newbeiyang.com.
Ø The 32-bit operating systems supported by the driver are as

follows:
Windows 2000/Windows XP/Windows server 2003/Windows
Vista/Windows server 2008/Windows 7/Windows 8.

Ø The 64-bit operating systems supported by the driver are as

follows:
Windows XP/Windows server 2003/Windows Vista/Windows
server 2008/Windows 7/Windows 8.

1) Run “Setup.exe” in the driver package, and read the related
software license agreement carefully. If you accept the items in
the license agreement, please click “I accept the items in the
software license agreement”, and then click “Next” button;

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2) Select printer type and model to be installed. If you want to set
the printer as default printer, please check “Set As Default
Printer” and click “Next”;

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3) Select setup type, and click “Next”;

4) The driver will select the current OS type automatically, and click
“Next”;

5) Set printer port. “LPT1” is set as the default print port, but users
can select it according to actual needs. If it is a serial port driver,
please select “BYCOMx” (x equals to 1, 2, 3, 4, 5, 6, 7 or 8); if it
is Ethernet port, please select “NET”; if it is USB port, please
select “USB_BTP-L540_x” (if USB port printer is connected
correctly to the computer under power-on status, the driver setup
program will set USB port as default port automatically). Then
click “Install” to end the installation.

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3 Printer operations

3.1 LED, buzzer, feed button and LCD

3.1.1 LED functions

LED name Status Explanation

Work LED (green)

Always on Printer is idle or working.

Flash twice

Prompt that the menu or parameter
selection becomes effective. See 3.2.2
Daily operations for details.

Pause LED

(orange)

Always on Printer is in pause status.

Error LED (red) Flash

An error occurs. See 5.1 Troubleshooting
for details.

3.1.2 Button functions

Button

Function Explanation

Short

press

Feed paper

In standby status, press the button for a short time
to feed paper.

Pause

During the printing, press the button for a short
time to enter pause status.

Continue

After the printer enters pause status, press the
button for a short time to resume the printing.

Menu switching

After entering the menu, press the button for a
short time to switch the menu.

Parameter

selection

After entering the submenu, press the button for a
short time to select the parameter.

Long

press

Enter the menu

When the printer is idle, press the button for a long
time to enter the menu.

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Menu selection

After entering the menu, press the button for a
long time to select the current menu.

Parameter

confirmation

When setting the parameter, press the button for a
long time to validate the current parameter.

Note: Short press means the duration from pressing down the button to

the time when the button uplifts is less than 0.5s.
Long press means the duration of pressing down the button is
more than 1s.

3.1.3 Buzzer functions

1) The buzzer beeps for a short time when the printer is turned on
or reset;

2) The buzzer beeps many times when an exception occurs. For
the details, please refer to 5.1 Troubleshooting.

3.1.4 LCD functions

LCD is used to display the printer status and menu and configure
the printer parameters by cooperating with the button.

3.2 Printer status and operation

3.2.1 Printer status

The printer has five status: idle status, working status, pause status,
configuration status, and abnormal status.

Printer status

LED LCD

Idle status

Green LED is always

on.

Display LOGO and printer model
information.

Working status

Green LED is always

on.

Display LOGO and PRINTING....

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Pause status

Orange LED is always

on.

Display LOGO and pausing.

Configuration

status

Green LED is always

on.

Display configuration menu.

Abnormal

status

Refer to 5.1 Troubleshooting.

Note: The work LED flashes twice when pressing the button for a long

time under any of the status listed above.

3.2.2 Daily operations

Ø Operations under idle status

It refers to the ready status when the printer is normal and
waiting for an operation or a task. The printer enters idle status
by default after turned on normally or returns to idle status after
finishing performing a task. Under idle status, if pressing the
button for a short time, the printer will feed paper; if pressing the
button a long time and releasing the button after the green LED
flashes twice, the printer will enter the menu.

Ø Operations under working status

It refers to the status when the printer has a print task. The
printer will enter pause status if releasing the button after
pressing it down at this time.

Ø Operations under pause status

The printer is under the status of stopping the print task
temporarily. The printer will enter pause status under the
following situations:

1) Select “PAUSE” through the menu;

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2) Press down the button during the printing;

3) After an exception is removed.
When the printer is in pause status, press the button for a short
time to resume the print task or press the button for a long time
to enter the menu to realize the selection of more functions, such
as canceling the print task, configuring the printer parameters,
etc.

Ø Operations under configuration status

It refers to the status of setting the printer parameters. Select
“SETUP” to enter the configuration menu through the menu. At
this time, press the button for a short time to switch the menu or
adjust the parameter or press the button for a long time to select
the menu or validate the current parameter.

Ø Operations under abnormal status

It refers to the status when an exception occurs. The printer
failure is prompted by LED, buzzer or LCD. For the details of
failure prompt and removing, refer to 5.1 Troubleshooting.

3.3 Printer parameter settings

3.3.1 Button menu settings

When the printer is idle, enter the configuration status through long
press of the button. The common parameters of printer can be set
and saved under configuration status. Parameters can be
configured by the cooperation of LCD and button.
The following describes the setting and saving of printer parameters
by taking the serial port configuration for example:

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1) Keep pressing the button until the green LED flashes under idle
status. Then the LCD will display the menu as shown in figure

3.3.1-1.

Figure 3.3.1-1 menu

Note: After entering the menu, the printer will exit the menu automatically

if the menu is not operated in two minutes.

2) Press the button for a short time to switch to “SETUP” option.
Then press the button for a long time and release it after the
green LED flashes to select the option and enter configuration
menu. Press the button for a short time to switch the menu to
“SERIAL COM” option as shown in figure 3.3.1-2 and then press
the button for a long time to enter the submenu.

Figure 3.3.1-2 configuration menu

3) Press the button for a short time to switch the submenu to
“BAUDRATE” option as shown in figure 3.3.1-3.

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1 .B A U D RA TE
2 .D AT A B IT
3 .S T O P B I T
4 .P A R I T Y

1 . B AU D R A T E

Figure 3.3.1-3 serial configuration menu

Press the button for a long time to enter baud rate configuration
option as shown in figure 3.3.1-4. At this time, what is displayed
on the LCD is the parameter being used now. If you do not want
to change the parameter, press the button for a long time to exit
the option; if you want to change the parameter, press the button
for a short time to modify it.

Figure 3.3.1-4 submenu of serial baud rate

4) Repeat step 1-3 to change other parameters of the serial port.

5) Save the modified parameters. Switch the menu to “SAVE ALL”
option and press the button for a long time to save the modified
parameters. The printer will restart automatically after the saving
to validate the parameter changes. (Remarks: if “SAVE ALL”
option is not executed, the printer will not save the setting and
will execute the previous configuration parameters when
powered on next time).

6) If you want to discard your changes, choose “EXIT” directly to

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exit.
Configuring other parameters is similar to the process described
above, which can be operated according to the menu prompts.

3.3.2 Detailed parameter setting range

Adjustment object

Setting range Remarks

Paper type

CONTINUOUS

MARK

WEB

CONTINUOUS: continuous
paper
MARK: marked paper
WEB: label paper, please see
Appendix 1.2 technical
specifications of paper for
details.

Paper out mode

REWIND
TEAR OFF
PEEL OFF

CUTTER

The peel off module and cutter
are optional.

Print darkness 00—30

Set the print darkness as low
as possible on condition that
the print effect is acceptable so
as to ensure the lifetime of
print head.

Print speed (unit:

IPS)

3-6

Vertical position

adjustment (unit:

dots)

-120-+120

For adjustment effect, please
refer to 3.5 Print position
adjustment.

Horizontal position

adjustment (unit:

-9999-+9999

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3.4 Sensor position adjustment

A. When using label paper, the sensor position can be adjusted

according to the following steps:

1) Push the part with arrow on the sensor cover board in the

dots)

Tear-off position

adjustment (unit:

dots)

-120-+120

Time

00-23

Supported display format：
MM/DD/YY 24HR
MM/DD/YY 12HR
DD/MM/YY 24HR
DD/MM/YY 12HR

00-59

Date

00-99
01-12
01-31

Paper calibration None

The printer feeds paper and at
the same time rectifies the
sensor parameters in order to
adapt to the paper.

Serial port configuration

Baud rate

110, 300, 600, 1200,
2400, 4800, 9600,
19200, 38400, 57600,
115200

Data bit

(unit: bit)

7 bit, 8 bit

Stop bit

(unit: bit)

1 bit, 2 bit

Parity NONE, ODD, EVEN

Handshake

signal

Hardware handshake,

software handshake

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direction of the arrow, and turn the sensor cover board
upward to take it off (see figure 3.4-1);

Figure 3.4-1 Figure 3.4-2

2) Pull or push the sensor base to align the triangle symbol on

the sensor base with the groove on the upper path (see
figure 3.4-2);

3) Press down the part with arrow to install the sensor cover

board.

B. When using the label paper or changing the width of label paper,

follow the steps below to adjust the sensor position:

1) Measure the required sensor position in advance based on

the mark position of media;

2) Push the part with arrow on the sensor cover board in the

direction of the arrow, and turn the sensor cover board
upward to take it off (see figure 3.4-1);

3) Pull or push the sensor to the required position (as shown in

the figure);

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4) Press down the part with arrow to install the sensor cover

board.

3.5 Print position adjustment

1) Adjust vertical print position
When the situation like figure A or B occurs, adjust the vertical
print position to figure C. (For the detailed adjustment method,
please refer to 3.3.1 Button menu settings).

Figure 3.5-1

Caution:

n Figure A indicates that the print position is upper than the

correct position. Adjust it in the negative direction (The data
symbol in the option “Vertical position adjustment” is “+”);

n Figure B indicates that the print position is lower than the

correct position. Adjust it in the positive direction. (The data
symbol in the option “Vertical position adjustment” is “-”).

2) Adjust horizontal print position
When the situation like figure D or E occurs, adjust the
horizontal print position to figure F (For the detailed adjustment
method, please refer to 3.3.2 Detailed parameter setting range).

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Figure 3.5-2

Caution:

n Figure D indicates that the print position is on the left of the

correct position. Adjust it in the positive direction (The data
symbol in the option “Horizontal position adjustment” is “+”);

n Figure E indicates that the print position is on the right of the

correct position. Adjust it in the negative direction. (The data
symbol in the option “Horizontal position adjustment” is “-”).

3) Adjust tear-off position
When the situation like figure G or H occurs, adjust the tear-off
position to figure J. (For the detailed adjustment method, please
refer to 3.3.2 Detailed parameter setting range).

Figure 3.5-3

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Caution:

n Figure G indicates that the tear-off position is upper than the

correct position. Adjust it in negative direction; (The data
symbol in the option “Tear-off position adjustment” is “-”);

n Figure H indicates that the tear-off position is lower than the

correct position. Adjust it in positive direction. (The data symbol
in the option “Tear-off position adjustment” is “+”).

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4 Routine maintenance

Clean the print head, platen roller and sensor every month
according to the following steps. If the printer works in a tough
environment, the maintenance times can be properly increased.

4.1 Cleaning print head

When any of the following cases occurs, the print head should be
cleaned:

Ø Printout is not clear;
Ø Feed or retract paper with big noise;
Ø Something else sticks onto the print head.

Follow the steps below to clean the print head:

1) Turn off the printer and open the top cover;

2) Lift up the top cover and find the print head. Wait for print head to

cool down completely if it has just finished the printing;

3) Wipe off the dust and stains on the surface of the print head with

alcohol cotton ball (it should be wrung out);

4) Wait for 5 to 10 minutes until the alcohol evaporates completely,

press down print head module, and close the top cover.

4.2 Cleaning the sensor

When any of the following cases occurs, the mark sensor should be
cleaned:

Ø During printing, the printer sometimes misinforms paper end;
Ø The printer does not alarm when paper end;
Ø The printer cannot identify marks effectively.

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Follow the steps below to clean the mark sensor:

A. Transmissive sensor

1) Turn off the printer and open the top cover;

2) Wipe off the dust and stains on the surface of the
transmissive sensor with alcohol cotton ball (it should be
wrung out);

3) Wait for 5 to 10 minutes until the alcohol evaporates
completely, and close top cover.

B. Reflective sensor

1) Turn off the printer and open the top cover;

2) Find the reflective sensor and take off the top cover board of
it;

3) Wipe off dust and stains on the surface of sensor with alcohol
cotton ball (it should be wrung out);

4) Wait for 5 to 10 minutes until the alcohol evaporates
completely, close the top cover board of the sensor, and
close the top cover.

4.3 Cleaning platen roller

When any of the following cases occurs, the platen roller should be
cleaned:

Ø Printout is not clear;
Ø Feed and retract paper with big noise;
Ø Something else sticks onto the platen roller.

Follow the steps below to clean the platen roller:

1) Turn off the printer and open the top cover;

2) Uplift the top cover and find the platen roller. Wait for the platen

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roller to cool down completely if it has just finished printing;

3) Wipe off the dust and stains on the surface of the platen roller
with alcohol cotton ball (it should be wrung out) while turning the
platen roller;

4) Wait for 5 to 10 minutes until the alcohol evaporates completely,
and close the top cover.

Caution

n Before starting routine maintenance of printer, make sure the

printer is turned off;

n Do not touch the surface of print head with hands or metal. Do

not use forceps in case it scratches the surface of the print
head, platen roller and sensor;

n Do not use organic solvent like gasoline, acetone etc. to clean

the print head or platen roller;

n Do paper calibration again after cleaning the paper end sensor;
n Please wait for alcohol to evaporate completely before starting

printing.

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5 Troubleshooting

When the printer has a malfunction, please handle it with reference
to this charter. If it still can not be cleared, please contact SNBC or
your local dealer.

5.1 Troubleshooting

The error LED flashes and the buzzer beeps when an error or
exceptional status occurs. At this time, the printer stops the printing.
Please handle it with reference to the following method:

Error indication mode:

Error message

Buzzer Error LED LCD

Print head up 2 beeps

Flash 2 times

circularly

Display LOGO and
“COVER OPEN”

Paper end 3 beeps

Flash 3 times

circularly

Display LOGO and
“PAPER END”

Abnormal

temperature of

print head

No beep

Flash 5 times

circularly

Display LOGO and
“PRINT HEAD TOO
COLD OR HOT”

Mark location

failure

No beep

Flash 6 times

circularly

Display LOGO and
“MARK ERROR”

Mark calibration

error

No beep

Flash 7 times

circularly

Display LOGO and
“CALIBRATION
FAILED”

BTP-L540 User’s Manual

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Troubleshooting methods:

Error LED

status

Reason analysis Solutions

Print head up

Print head is lifted up. Please press down the print head.
The micro switch has a
failure.

Contact the maintainer.

Paper end

Paper roll is used up or
no paper roll is installed.

Install a paper roll.

Paper jam Clear the paper jam.
Paper roll surface is

dirty or damaged.

Please skip the dirty or damaged
part.

Paper roll breaks away
from the mark sensor.

Install a paper roll again.

The surface of mark
sensor is dirty.

Clean mark sensor surface.

The position of reflective
sensor is not correct.

Adjust the sensor position

according to the description in 3.4.
Paper roll type does not
match with mark sensor
type.

Set the paper type in printer driver

to make it consistent with actual

paper type.

Print head

temperature

abnormal

Operating environment
temperature is too high,
causing overheating
print head.

Please improve ventilation

condition. The printer can return to

normal with the fall of temperature.

Print darkness is too
high.

Lower the print darkness properly.

Paper is jammed in the
path, causing heat
accumulation and

Clear paper jam. Check if the print

head test pattern is normal or not

after the temperature of print head

BTP-L540 User’s Manual

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overheating print head. drops. If normal, the printer can

continue to work; otherwise please

replace the print head.

Mark location

failure or mark

calibration

failure

Paper type does not
match with sensor type.

Set the paper type in printer driver

to make it consistent with actual

paper type.
Something wrong with
marked paper (for
example: no mark or
unclear mark)

Use the required media.

Mark height is less than
the required height.

Table 5.1-1

5.2 Print quality problems

Malfunction Reason Solution

Printout is unclear

or has stains.

Print head or platen

roller is dirty.

Clean the print head or platen
roller.

Paper does not meet

the requirement.

Use recommended paper.

Print darkness is too

low.

Increase print darkness.

Paper is not installed

correctly.

Install paper roll correctly.

Table 5.2-1

BTP-L540 User’s Manual

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6 Appendix

Appendix 1 technical specification

Appendix 1.1 main technical specifications

Item BTP-L540 parameter

Printing

Resolution 203DPI

Print method Thermal

Print width

(Max.)

104mm

Print speed

(Max.)

152mm/s

CPU 32bit RISC microprocessor

Memory

FLASH: 4MB
SDRAM: 64MB
Extended FLASH: it can be extended to
8MB.

Print head

temperature

detection

Thermal resistor

Print head

position

detection

Micro switch

Paper mark

detection

Photoelectric sensor

Paper existence

detection

Photoelectric sensor

BTP-L540 User’s Manual

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Communication

interface

USB interface or USB interface + optional
interface;
Optional interface: serial interface,
CENTRONICS parallel interface, Ethernet
interface and WLAN interface.

Media

Paper type

Continuous paper, label paper, marked
paper, etc.

Paper roll OD

(Max.)

127mm (5 inches)

Paper roll width

(Max.)

120mm

Paper roll ID 12.5mm (0.5 inch)/25mm (1 inch)

Paper out mode Tear off, peel-off, etc.

Character

Barcode

Graphics

Character

enlargement/rota

tion

Support four types of rotation printing (0°,
90°, 180°, 270°)
Bitmap fonts can be enlarged up to 10

times.

Vector fonts can be zoomed without scale.

Character set

7 bitmap fonts and 1 vector font are
built-in.
User-defined bitmap and vector fonts can
be downloaded into the printer.

Graphics

Plain bitmaps in binary system, HEX,
PCX, BMP and IMG files can be
downloaded to FLASH or RAM.

BTP-L540 User’s Manual

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Barcode

1D Barcode:
Code39, Code93, Codabar,
Code128(Subsets A, B, and C), EAN-13,
EAN-8, UPC-A, UPC-E, UPC/EAN
Extensions, Planet Code, Standard 2 of 5,
Industrial 2 of 5, Interleaved 2 of 5,
LOGMARS, GS1 DataBar (RSS)
2D Barcode:
PDF 417, MicroPDF417, QR Code,
DataMatrix, MaxiCode, GS1 Composite

Operation

interface

Button, LED,

LCD

1 button, 1 LED,1 LCD

Power

adapter

Input

AC 110～240V, 50/60Hz

Output DC 24V, 2.5A

Environmental

requirements

Operating

environment

+5℃～45℃, 20%～90%(40 )℃

Storage

environment

-40℃～60 , 20%℃ ～93%(40 )℃

Physical

features

Overall size 210mm*167mm*172mm (L*H*W)

Weight 1.6Kg

Table appendix 1.1-1

BTP-L540 User’s Manual

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Appendix 1.2 technical specifications of paper

1) Specifications of continuous paper (unit: mm)

Type Illustration Index

Continuous paper

without adhesive

Print paper

width: 18≤a≤120

Continuous paper

with adhesive

Base paper

width: 18≤a≤120

Print paper

width: 18≤b≤118

Paper margin
width: c ≤1

Table appendix 1.2-1

2) Discontinuous paper specifications (unit: mm)

Type Illustration Index

Discontinuous label
paper with adhesive

Base paper width:
18≤a≤120
Paper margin width:
b≤1
Label width:

18≤c≤118
Label height:: d≥10
Gap width: e≥2

BTP-L540 User’s Manual

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Discontinuous
punched paper
without adhesive

Punched paper width:
18≤a≤120
Punched paper
height: b≥10
Detection hole
position: c≤a/2
Detection hole width:
d≥5
Detection hole height:
e≥2

Discontinuous
marked paper
without adhesive

Marked paper width:
18≤a≤120
Marked paper height:

b≥10
Mark position: c≤a/2
Mark width: d≥10
Mark height: e≥4

Table appendix 1.2-2

Appendix 2 self-test page

Self-test page includes printer configuration information, printer
internal fonts and print head test information. The printer
configuration information and printer internal fonts reflect the current
internal configuration of the printer, and the print head test
information reflects the status of the print head.

Appendix 2.1 printer configuration information

Printer configuration information (BPLZ II) (this information is related
to the configuration of the printer.)

BTP-L540 User’s Manual

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PRINTER CONFIGURATION

BTP-L540……………………………….. MODEL
FV1.000…………………………………. MAIN FIRMWARE

0…………………………………………. DARKNESS
+0……………………………………….. TEAR OFF
TEAR OFF……………………………… PRINT MODE
CONTINUOUS…….…………………... MEDIA TYPE
MEDIA…………………………………. SENSOR TYPE
MANUAL………………………………. SENSOR SELECT
DIRECT-THERMAL…………………… PRINT METHOD
56……………………………………….. PRINT WIDTH
640．…………………………………… LABEL LENGTH
11IN 300MM…………………………… MAXIMUM LENGTH
CONNECTED………………………….. USB COMM
NONE…………………………………… PARALLEL COMM
115200…………………………………... BAUD
8 BITS…………………………………… DATA BITS
NONE…………………………………… PARITY
HARD…………………………………… HOST HANDSHAKE
NONE…………………………………… PROTOCOL
<~> 7EH…………………………… CONTROL CHAR

<^> 5EH………………………….... COMMAND CHAR

<,> 2CH…………………………… DELIM. CHAR
NO MOTION……………………………. MEDIA POWER UP
NO MOTION……………………………. HEAD CLOSE
DEFAULT……………………………….. BACKFEED

BTP-L540 User’s Manual

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+0………………………………………… LABEL TOP
+0………………………………………… LEFT POSITION
152mm/s…………………………………. PRINT SPEED
152mm/s…………………………………. FEED SPEED
152mm/s…………………………………. BACKFEED SPEED
203DPI…………………………………... RESOLUTION
16360K………………………………….R: RAM
1472K…………………………………...E: ONBOARD FLASH
NONE…………………………………….. FORMAT CONVERT
0123456789………………………………. SERIAL NUMBER

Appendix 3 print and paper out position

Figure appendix 3-1

Caution

n To take marked paper for example, the figure above explains

the print and paper out position;

n Discontinuous paper locates by the front edge of the mark;
n Refer to 3.5 to adjust the print and paper out position.

BTP-L540 User’s Manual

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Appendix 4 communication interface

Appendix 4.1 serial interface

1) Interface signal

Pin Signal name Signal direction

Function

1 None
2 RXD Input Data input
3 TXD Output Data output
4 DTR Output Data terminal ready
5 SG － Signal ground
6 DSR Input Data device ready
7 RTS Output Request transmission
8 CTS Input Allow transmission
9 FG － Frame ground

Table appendix 4.1-1 printer signal and status

2) Wiring diagram

PC Printer
TXD---------------RXD
RXD---------------TXD
CTS----------------RTS
RTS----------------CTS
SG -----------------SG

Caution

n The following connection method can be used, which only

needs 3 wires. This method applies to small data amount or
XON/XOFF flow control:

PC Printer
TXD---------------RXD

BTP-L540 User’s Manual

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RXD---------------TXD
SG ----------------SG

Appendix 4.2 parallel interface

Parallel interface works under IEEE1284 compatible mode.

Pin Definition Description

Pin Definition

Description

1 Input /STROBE 13 Output SELECT
2 Input Data0 14 Input /AutoFd
3 Input Data1 15 Not defined

NC

4 Input Data2 16 -

Logic Ground

5 Input Data3 17 - Chassis Ground
6 Input Data4 18 - Vcc
7 Input Data5 19 ~ 30

- Signal Ground
8 Input Data6 31 Input /Init
9 Input Data7 32 Output /Fault

10

Output /ACK 33 - Ground

11

Output BUSY 34 ~ 35 Not defined

/NC

12

Output PError 36 Input /SelectIn

Table appendix 4.2-1 parallel signal list

Caution

n In the process of data transmission, the host computer should

not ignore the Busy signal; otherwise the print data may be lost;

n Parallel interface signal adopts TTL level. Ensure the rise and

fall time of host computer is not longer than 0.5ms when it is
used.

Appendix 4.3 USB interface

USB interface meets USB1.1 protocol standard and is optional.

BTP-L540 User’s Manual

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USB interface transmits signal and power via a four–wire cable, as
shown in the following figure:

Figure appendix 4.3-1 USB cable

Wire D+ and D- in figure appendix 4.3.1 are used for signal
transmission, and the VBUS is +5V.

Appendix 4.4 Ethernet interface

Ethernet interface meets the standard communication protocol of
10/100M BASE-T in IEEE802.3 and is optional.

PIN Signal name Signal direction

Function

P1 TX+ Output + Difference data signal output+
P2 TX- Output - Difference data signal output­P3 RX+ Input + Difference data signal input+
P4 Reserve —— ——
P5 Reserve —— ——
P6 RX- Input - Difference data signal input­P7 Reserve —— ——
P8 Reserve —— ——

G+ VCC power SPEED_LED power

G- SPEED_LED output SPEED LED signal
Y- LINK_LED output LINK LED signal

Y+ VCC power LINK_LED power

Table appendix 4.4-1 Ethernet signal list

BTP-L540 User’s Manual

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Appendix 5 operation guide for paper loading under
peel-off mode (optional)

When using label paper with adhesive, the user can refer to “2.4
Installing paper roll” for installation, and the paper out mode can be
set to peel-off mode. When peel-off mode is selected, follow the
steps below to load paper:

1) Remove several labels on the front of label paper, ensure the
front of base paper is flush, and pull the peel-off turn board
outward (see figure appendix 5-1);

2) Pass the base paper through the peel-off module according to
the path shown in the figure (see figure appendix 5-2);

Figure appendix 5-1 Figure appendix 5-2

3) Push the peel-off turn board back into place and keep the base
paper in tension state to end paper loading.

4) When the printer is working, it peels labels off the base paper
and sends each label out one by one. After the user takes the
label away from the printer, the printer will continue to execute
the next command.