SPRT SP-L51 User manual

SPRT®
SP-L51
Portable Thermal Printer
User’s Manual
VER 1.03
Beijing Spirit Technology Development Co., Ltd
www.sprt-printer.com

CONTENTS
NOTICE ........................................................................................................... 1
Notice of Safety ......................................................................................... 1
Notice of Using .......................................................................................... 1
Notice of Storing ...................................................................................... 2
Chapter 1 Outer Appearance and Model No. ...................................................2
1.1 Outer Appearance ............................................................................... 2
1.2 Model No. ............................................................................................ 3
Chapter 2 Characteristic Specification .............................................................4
2.1 Printing Specification ........................................................................... 4
2.2 Physical Parameters ............................................................................4
2.3 Environment Parameters ..................................................................... 4
2.4 Other Specification .............................................................................. 4
Chapter 3 Operation Method ........................................................................5
3.1 Using Preparation ................................................................................5
3.1.1 Battery Installation ......................................................................5
3.1.2 Paper Roll Installation ................................................................ 5
3.1.3 Others .........................................................................................7
3.2 Basic function usage ..........................................................................7
3.2.1 Switch On ................................................................................. 7
3.2.2 Switch Off ................................................................................. 7
3.2.3 Self-Test ....................................................................................7
3.2.4 Paper Feeding (Manual Feeding) ...............................................8
3.2.5 Hexadecimal Printing ................................................................. 8
3.2.6 Printer Parameters Setting ......................................................... 8
3.2.7 Battery Charging ........................................................................ 9
3.2.8 Set Into Upgrading Mode ........................................................... 9
3.3 Printer Parameters Setting ................................................................ 10
3.4 Printer Interface Connection and Printing .......................................... 10
3.4.1 USB Connection .......................................................................10
3.4.2 Bluetooth Connection ............................................................. 10
3.5 Buzzer ................................................................................................11
3.6 LCD indication ................................................................................... 12
Chapter 4 Other Information .......................................................................... 13
4.1 Command Programming Manual ..................................................... 13
4.2 Description of pre-printed Black Mark ..............................................13
Appendix A .....................................................................................................14
Appendix B .................................................................................................... 16

1
NOTICE
Please read this manual carefully before using the printer!
Notice of Safety
Be sure to use the specified battery and power supply provided by
our company. Otherwise it may cause fire, explosion or damage
printer, meanwhile, the battery also may be damaged.
Don’t put battery into the fire, don’t disassemble or heat the battery,
don’t be short circuit, it may cause fire, explosion or damage printer;
meanwhile, the battery also may be damaged.
If the printer would not be used for a long time, be sure to take off the
battery, otherwise the battery may leak liquid which is corrosive
liquid,
If improper operation causes battery leak liquid, and it paste in the
skin or clothes, please rinse it by clean water, if paste in the eyes,
please rinse them thoroughly by clean water and see a doctor.
Please do not open the paper case cover when it is printing or just
when printing is finished, do not touch the printer head with hand or
body, overheat may cause scald.
Notice of Using
Pls do not print the receipt with over 1m length. Otherwise, it may
cause the damage of printing mechanism.
Water or other liquid should not be spilled into the printer, also the
printer should not be appeared in the rain, or else may cause printer
damage.
Please do not open the paper case cover when it is printing,
otherwise the printer may work improperly.
If printer is using USB connection to work, should not unplug the
USB cable, or else some printing data may be lost. When printer is
using USB connection to work, the distance of communication
should be within 10 meters, otherwise the printer doesn’t print or
prints rubbish codes.
Too high（45℃）or too low（5℃） environment temperature and too
high (85％) or too low (20％) environment humidity both effect the
printing quality.
The printer paper roll with poor quality or stored for too long time also
may reduce the printing quality even damage the printer.
Under the black mark detecting mode, the printer requires that the

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pre-printed black mark is accordant with the printing rule of black
mark (please refer to details in Chapter 4.2), otherwise the black
mark can not be detected correctly.
Be sure to use up the power of the battery before charge up it, as it
can ensure the using life of the battery.
Notice of Storing
The printer should be placed in such an environment that the
temperature is between-20℃and 60℃, and the relative humidity is
between 10% and 90%.
If the printer will be stored for a long time, please be sure to take out
the battery, otherwise may damage the battery and printer.
Declaration
It is A class product, which may cause radio interference in the
living environment. In this situation, users need to take feasible
and effective measures.
Chapter 1 Outer Appearance and Model No.
1.1 Outer Appearance
1
2
3
4
56
7
8
9
10
1
Cover Upper
2
Power Switch
3
Rubber Plug

3
4
LCD
5
Feed Button
6
Set Key
7
Cover Open Button
8
Lower Case
9
Transparency window
10
Paper Case Cover
1.2 Model No.
SP-L51BTDM/SP-L51BTMM Support USB and Bluetooth Interface
as default

4
Chapter 2 Characteristic Specification
2.1 Printing Specification
● Printing Method: Thermal line
● Paper Width:111.5mm±0.5mm, 104mm±0.5mm, 79.5mm±0.5mm,
57.5±0.5mm, 44±0.5mm
● Effective Printing Width: 104mm, 100mm, 72mm, 48mm, 37.5mm；
● Resolution: 8dots/mm（203dpi）
● Printing Speed: 80mm/s (thermal paper); 50mm/s (label paper)
● Paper Thickness: 0.06-0.08mm(thermal paper), 0.06-0.15mm
（label）
● Printable Content:
Character set: GB18030(Chinese) BIG5(traditional Chinese),
GB12345(traditional Chinese), ShiftJIS(Japanese), ASCII, Custom
Charest, figure
Barcode:1D:UPCA,UPCE,EAN13,EAN8,CODE39,ITF25,CODABAR
CODE93,CODE128
2D: PDF417,QR CODE,DATA Matrix
2.2 Physical Parameters
● Dimension (W×L×H): 115 (L)X147 (W)X53.5(H)mm
● Physical Weight: 500g (excluding roll paper)
● Paper Width: 112mm, 100mm, 80mm, 58mm and 44mm
● Paper Roll Diameter: Max 40.0mm
● Interface: USB, Bluetooth
● Printing Head Life: 50km
2.3 Environment Parameters
● Operating Temp: 0℃~50℃
● Operating Humidity: 10%~80%
● Storage Temp:-20℃~60℃
● Storage Humidity: 10%~90%
2.4 Other Specification
● Paper Loading Method: drop-in easy paper loading ( please refer
to details in 3.1.2 Paper Roll Installation).
●Tear paper: manual
● Black Mark Location: available(details please see 4.2 pre-printed

5
black mark manual).
● Printing Control Command: ESC/POS compatible command
set/CPCL command set
(Refer to<L51 Printer Command Program Manual >).
● Power Supply: 7.4VDC/2300mAh rechargeable polymer lithium
battery.
● Power Alarm: when the battery is low, the battery indicator on LCD
blinks
● Battery Charging: quick charging, it will be charged full about 4
hours;
● Auto Sleep: printer will auto sleep when it have not received
printing data or key operation in 5 seconds, press FEED
button/MODE button/Power switch or printer receive any printing
data in auto-sleep period will wake up the printer.
● Battery Duration: under25% printing density, at least 200 meters,
the standby time is over 7 days. (These parameters are just for
reference; long term usage will cause the capacity decline, and
cannot ensure the time of printing.)
Chapter 3 Operation Method
3.1 Using Preparation
3.1.1 Battery Installation
1. Put the battery into the battery slot from the side with pins and
press the other side into case. (as below Pic.)
3.1.2 Paper Roll Installation
1. Press the cover open button. (Pic.1)
2. Push the auto paper roll installation from the middle to the two
ends (Pic2), put a new paper roll into the installation, and please

6
mind the direction of the paper roll. (Pic.3&Pic4)
3. Pull out a part of paper and put the end of the paper in the
middle of the paper out orifice.
4. Shut down paper case cover and cut off the redundant paper
5. Repeat Step 3~4.
（Pic.1） （Pic.2）
（Pic.3） （Pic.4）

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3.1.3 Others
● Open and close the door slowly with both hands.
● Abnormal operation:Paper blocking is not allowed at the outlet.
● Placement direction: Hand-held flat printing when printing, to
ensure the stability of the paper roll as far as
possible.
3.2 Basic function usage
Paper Type: Thermal paper, Black mark paper and Label paper.
Standard Mode: Standard 112mm mode,Standard 110mm mode,
Standard 80mm mode, Standard 58mm mode, Standard 44mm
mode. Use standard label paper as default under Standard mode.
Set the Paper type and print mode by Setting Tool.
3.2.1 Switch On
Press【POWER】button then you will hear ‘one low one high ’prompt
tone. The LCD shows “Loading...”, then the printer turns into work
mode when loosen the【POWER】button. The LCD shows printer
parameter.
3.2.2 Switch Off
Under status of switch on, the printer will send out the prompt tone of
‘one high one low ’ after pressed the【POWER】button, the LCD turns
off, then loosen the【POWER】button, the printer is off.
3.2.3 Self-Test
After receiving the printer, user can check its current setting and
status at anytime. Self-test method is as below: Power off, then hold
down the 【FEED】button and press the power button at the same
time. Then loosen the【FEED】button and Power button when you
hear ‘one low one high ’prompt tone and LCD shows “Loading...”,
the current setting and status will be printed out.

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3.2.4 Paper Feeding (Manual Feeding)
Under the normal work status and using the thermal receipt paper,
press 【FEED 】button, the paper feeding begins, and stop when
loosen 【FEED】button. When the printer uses black mark paper
and label paper, press【FEED 】button, the printer begins to feed
paper and stops over the position of black mark or label spacing. If
the paper is not the black mark or label paper, the printer stops
automatically after feeds paper for 30cm. And also alarm the error if
under label paper mode.
3.2.5 Hexadecimal Printing
The function of hexadecimal printing is to print the information
received from host machine by hexadecimal numbers and
corresponding characters. It will be convenient to debug application.
Into hexadecimal printing: Power off, hold down the【MODE】button
and press the power button at the same time. Then loosen the power
button and press the【FEED】button when you hear ‘one low one
high’ prompt tone of power on and LCD shows “Loading...". After that
you may loosen the 【MODE】button and 【FEED】button. The
printer turns into the hexadecimal printing mode and print the
presentation.
Quit hexadecimal printing :The way to quit hexadecimal printing
mode is switch off the printer or press the 【FEED】button for three
times and to enter the normal working mode. The printer will also
print the presentation which shows that the printer have quit
hexadecimal printing mode.
3.2.6 Printer Parameters Setting
Set simple printing parameters according button operation. There
are two methods of entering into parameter setting mode, which can
set different parameters.
A. Under the state of power off, hold down the 【MODE】button then
press the 【POWER】. Then loosen the 【POWER】button and
【MODE】button orderly when you hear ‘one low one high prompt
tone and LCD shows “Loading...”. The printer turns into the

9
parameters setting mode. Press the 【FEED】button or 【MODE】
button, LCD shows the first item which can be set parameters and
the current numerical value. (Refer to Appendix A.)
Quitting parameter setting:hold down the 【MODE】button, press the
【FEED】buttons, then loosen【MODE】button and【FEED】button.
Saving the set parameter and exiting the parameter setting mode.
The setting parameters won’t be saved if you directly press the
【POWER】button to turn off the printer.
B. Under the state of standby power, press the【MODE】button to
enter the parameter setting mode. Use the 【MODE 】button and
【FEED】button in combination.Press the【MODE】button to select
the setting parameter item, and use the【FEED】button to select the
sub-menu of parameter item.(Refer to Appendix B.)
Wait for 5 seconds to save parameters value and quit the setting
mode automatically.
3.2.7 Battery Charging
The battery will run out after a period of usage. When it nearly runs
out, printer will give a alarm through the battery indicator flashing on
LCD, at this time, user needs to charge up the battery
The charging method is as following: connecting the adapter to the
power socket with 220V, 50HZ, then plug the power charging plug to
the power socket of the printer, so the power charging begins. During
the course of power charging, the charging indicator 【CHARGE】
goes red, and【CHARGE】turns to green when the charging is full.
Please don’t use printer when it’s charging.
3.2.8 Set Into Upgrading Mode
In the status of power off, press the 【MODE】button and【FEED】
button, then press the Power button, hear ‘one low one high ’prompt
tone, loose all the button immediately, then the printer enters
upgrading mode, the LCD shows upgrading mode.
Please note that only USB interface can support online procedure
upgrading.

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3.3 Printer Parameters Setting
Users can set more parameters by using the specified 〈SP-L51
Setting Tools 〉software through computer. The setting includes:
language、font、printing density、default code page、Bluetooth device
name and password, printing mode etc. About the setting method
please refer to the <SP-L51 Setting Tools Software Help>, offered
with the software together.
3.4 Printer Interface Connection and Printing
3.4.1 USB Connection
The standard accessories of SP-L51 printer includes Mini USB cable
which connects printer and main device. The USB type belongs to
the slave device type. Pins
description of Mini-USB as below:
Mini
USB Socket and Pin Definition
3.4.2 Bluetooth Connection
Hand-held device, laptop and other information terminal devices with
Bluetooth can drive SP-L51 to print by the Bluetooth interface.
SP-L51 portable printer is compatible with Bluetooth2.0 standard.
Power class is CLASS 2, effective communication distance is
10meters. The Bluetooth of the printer belongs to the slave device.
The initial name of the printer is L51 BT Printer, the initial password
is ‘1234’; users can change the printer name and password by
using<SP-L51 Setting Tools> software. Please see the details in
help file of <SP-L51 Setting Tools>.
Before working, SP-L51 Portable Thermal Printer needs to be paired
Pin
Function
Notes
1
V Bus
Power +5V
2
Data-
Data-
3
Data+
Data-
4
Blank
5
GND
Ground

11
with primary device. Pairing begins from the host device. Usual
pairing course is as below:
1. Power on printer;
2. Host device searches for the outer Bluetooth device;
3. If there are other Bluetooth devices, please select L51 Printer;
4. Enter the password ‘1234’;
5. Pairing finished.
Please see details in primary device Bluetooth function instruction for
reference.
Illustration:
The Bluetooth of SP-L51 divided into dual mode Bluetooth and
one-to-many Bluetooth. Dual mode Bluetooth supports one Android
device and one IOS device, only one device can connect with the
printer at the same timer. One-to-many Bluetooth supports six
Android devices and one IOS device connect printer simultaneously.
Notice:
1, When pairing, please make SP-L51 printer switch on.
2. Once the Bluetooth of SP-L51 has paired with the host Bluetooth
device successfully, it can’t be paired with other Bluetooth device
until it unconnected with the host device.
3. Bluetooth Icon on printer LCD shows the connection status after
paired successfully.
3.5 Buzzer
There is also a buzzer to indicate various status of the printer. The
meanings are as below:
One low one high: power on;

12
One high one low: power off;
Circulation continuous two lows: printer at error status
3.6 LCD indication
Turn on the printer, the LCD shows “Loading...”, and shows the
relevant information after printer initialization. If printer didn’t receive
any data or connect with any device
within 5seconds, the display will turn off showing automatically. But
it’ll show again
until printer receive data or connect with device.
1. Standard mode:
①When the icon is , it means there’s no Bluetooth connection;
When the icon is , it means the Bluetooth is on connecting state.
②It shows the different paper type, 112mm, 100mm, 80mm, 58mm
and 44mm.
③The current capacity level of printer battery icon. The different
icons shows the current battery level. When it comes
to low battery level, it’ll become to show this icon with flickering
④Text indication display. Printer current state is showed by text.
It shows USB mode when the printer have not connected with
external device.
It shows USB connected when the printer connect with main
device via USB.
It shows USB communicating when the printer received data via
USB connection.
It shows Bluetooth connected when the printer connect with main
device via Bluetooth and open the corresponding port.
It shows USB and Bluetooth connected when the printer connect
with main device via both Bluetooth and USB.
It shows Bluetooth communicating when the printer received data
via Bluetooth connection.

13
Chapter 4 Other Information
4.1 Command Programming Manual
<SP-L51 Technical Manual> is a technical manual for engineer to
develop printer utility, and users can claim our company for it.
4.2 Description of pre-printed Black Mark
If user use pre-printed black mark to locate the receipt, please be
sure to abide by the following pre-printed black mark regulation when
print the black mark paper. Otherwise, it will cause that the printer
cannot identify the black mark.
The black mark pre-print regulations are as below:
Printing Position: As the picture above, the black mark should printed
on the middle right edge of the printed surface (both sides of the
paper is available).
Width range: width≥7mm
Height range: 4mm≤height≤6mm
Reflectivity of infrared ray : <10% (infrared ray reflectivity of other
parts of the black mark paper is>65%)
HPS: It is the distance between edges of black mark and loading
position.
4.5mm≤Hps≤6.5mm

14
Appendix A
Setting introduction: Press【MODE】button to choose setting,when
press it once , the set become the next one and it will print the
present set value; use【FEED】button to set the set value, when press
it once , the set become the next one and it will print the present set
value.
After setting, press【MODE】and【FEED】button together, it’ll save
the current value, and printer enters into normal operation state.
Otherwise it won’t save the value.
General Setting:
Language setting
Font Setting:

15
Paper sensor sensitivity setting:
44mm Paper Type Setting:
112mm/100mm/80mm/58mm Paper type Setting
Power off Setting:
Printing Direction Setting:

16
Appendix B
Setting introduction:Press【MODE】button to choose setting, when
press it once, the set become the next one and it will shows the
present set value; use【FEED】button to set the set value, when press
it once , the set become the next one and it will print the present set
value.
After setting, it’ll quit the Setting mode automatically and save the
current value after 5 seconds.
General Setting:
Language Setting:
Density Setting:

17
Visible Bluetooth Setting:
Label Sensor Setting:
Under standard mode, set as label paper under paper mode. Press
【MODE】button, adjust the setting items to label sensor setting, then
press【FEED】button, the printer will feed paper by 260mm, and print
out the self-test paper for max power voltage, min voltage, set
threshold voltage and the voltage difference value between the max
and min voltage. It’ll save the value after 5 seconds.
Black Mark Sensor Setting:
Put the 44mm black mark paper directly into printer under Logistics
mode ( set as black mark paper under Standard mode). Press
【MODE 】button, adjust the setting items to black mark sensor
setting, then press 【FEED】button, the printer will feed paper by
260mm, and print out the self-test paper for max power voltage, min
voltage, set threshold voltage and the voltage difference value
between the max and min voltage. It’ll save the value after 5
seconds.