SEWOO LK-P12 User guide

MODEL:LK-P12(Peeler)
Portable Printer
J. STEPHEN Lab., Ltd.
28-6, Gajangsaneopdong-ro, Osan-si, Gyeonggi-do, 18103, Korea
TEL : [phone] FAX : [phone]
www.miniprinter.com
P12(Peeler) Rev.C 01/18
System Administrator Manual

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Table of Contents
1. INTRODUCTION
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1-1 Using This Manual 4
1-2 Using the Menu Chart 4
1-3 Using the Display and Buttons 5
1-3-1 Selecting a Menu 6
1-3-2 Exiting a Menu 6
1-3-3 Printing 6
1-4. Selecting a Language 7
2. USING DIAGNOSTICS
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2-1 Diagnostics 8
2-1-1 Printer 9
2-1-2 Display 15
2-1-3 Buttons 16
2-1-4 RAM 17
2-1-5 Data Dump 18
2-1-6 About 19
3. SETTING UP THE PRINTER
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3-1 SETUP 20
3-1-1 Stock PWR 21
3-1-2 Backlight 22
3-1-3 Contrast 23
3-1-4 Printer 24
3-1-5 Serial Communications 36
3-1-6 Power Management 40

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4. WI-FI 42
4-1 RF Network 42
4-2 Wi-Fi setting utility instruction 50
4-2-1 Port and Wi-Fi Information Tab 51
4-2-2 Wi-Fi Information Tab 51
4-2-3 WPA Authentication Tab 51
4-3 Using the Web Interface 52
4-3-1 Setting Menu 53
4-3-2 IP Setting 54
4-3-3 Link Status 56
4-3-4 Site Survey 57
4-3-5 Statistics 58
4-3-6 Advance 59
4-3-7 Management 60
4-3-8 Reboot and Default 61
4-3-9 Upgrade Firmware 62
4-3-10 Upload Certicate 63
4-3-11 Status 64
4-3-12 Statistics 65
4-3-13 VER. History 66
4-4 Wi-Fi Glossary 67
4-5 Wi-Fi Specications 72
5. BLUETOOTH 73
5-1 Using the Bluetooth Settings Dialog 73
5-1-1 Enabling the Security 73
5-1-2 Changing the Pin 74
5-1-3 Local Name 74
5-1-4 Local Address 75
5-1-5 Printing Info 75
5-2 Bluetooth Interface 76
5-2-1 Printer Connection Settings 77
5-2-2 Getting Bluetooth Information 78
5-2-3 PIN Code Information 78
5-2-4 Discoverable Mode Information 78
5-2-5 Emulation Settings 79

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1. INTRODUCTION
1-1. Using This Manual
1-2. Using the Menu Chart
Subjects Contents
1Introduction Notes before using printer
2Diagnostics How to print test label, check sensor, check print position, etc.
3Setting Up the Printer How to use the Setting Menu to adjust stock
and printer settings
The black boxes show present position, the boxes with a thick line show how you got there.
1-3. Using the Display and Buttons
NOTE
button operates as feed button in ready condition only.
Screen displays Meaning
Selects the highlighted option.
Moves the Menu position upwards by one step.
Moves the Menu position down one step.
Moves the cursor to the position you want to change.
Increases value.
Decrease value.
Returns to the parent Menu without saving settings.
Returns to parent Menu after saving settings.
Display
Enter button
Power button
Up button
Paper Feed /
Down button
▶
+
-
X
Y
FEED
▼
▲

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1. Press the Enter( ) button to enter the Menu.
2. Move the cursor through the menu using the Up(▲) / Down(▼) buttons, and select
an item by pressing the Enter( ) button.
Select Exit Menu or press the power ( )button to return to the previous menu .
There are three ways to print.
1. When turning on the printer, press and hold the power ( ) button and the Down(▼)
button. The printer prints a batch (if sent) or prints the printer status information.
2. Select a test label from the Diagnostics menu.
3. Send batch data to the printer.
1-3-1. Selecting a Menu
1-3-2. Exiting a Menu
1-3-3. Printing
1-4. Selecting a Language
You can read Menu names or messages on the printer in English, French,
Spanish, German.
1. Turn on the printer. The printer name and software version information is displayed.
2. Press Enter( ) button.
3. Move cursor to language by pressing Down(▼)button and then press Enter( ) button.
4. Move the cursor to the language you want by pressing Up(▲)/Down(▼) button then
press Enter( ) button.
5. The selected language is displayed on the screen.
6. Select exit to return to the diagnostics menu or press the power button to return to
the ready screen.

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2-1. Diagnostics
This chapter describes how to use Diagnostics in the Tool Box.
You can view test results through this Menu; however, you cannot change the setting.
1. Turn on the printer. The printer name and software version information is displayed.
2. Press the Enter( ) button.
3. Press the Enter( ) button.
5. If correct the password is typed you will see the screen below.
4. Press Up(▲) and Enter( ) button in the sequence of ,▲, ▲, ▲,
6. The cursor is positioned on the Diagnostics Menu. Enter into Diagnostics Menu by
pressing the Enter( ) button.
2. Using Diagnostics
2-1-1. Printer
To return to initial screen, press the power( )button.
Four test labels can be printed: Diag Label, Test Pattern, Gray Scale,
MIF (Monarch Initialization Files) Info.
**Test Label
1. Select Printer - Test Label - Diag Label in Diagnostics Menu (MPCL Only)
2. Select Printer – Test Label– Test Pattern in Diagnostics Menu.
A Checkerboard pattern will be printed.
Printer Diagnostics Labels will be printed.
LK-P12 LK-P12

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Gray Scale is printed.
MIF Info is printed.
3. Select Printer - Test Label - Gray Scale in Diagnostics Menu.
4. Select Printer – Test Label – MIF Info in Diagnostics Menu. (MPCL Only)
In this Menu, you can read each A/D value of the Black Mark and Gap sensor, or
Peeler and Peel-SW sensors. The position of each sensor is shown in the following
picture.
**Sensors
1. Load stock in the printer.
PEELER SENSOR
B/M & GAP SENSOR

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2. Select Printer – Sensors – Black Mark in the Diagnostics Menu.
Check whether the A/D value is changing in Black Mark sensor position while feeding
Black Mark stock manually.
3. Select Printer – Sensors – Peel in Diagnostics Menu. Check whether A/D value is
changing by covering the Peeler Sensor with stock
Make sure the stock is loaded in line with upper/lower Black Mark sensors.
4. Select Printer – Sensors – Gap in Diagnostics Menu. Check whether the A/D value is
changing in the Gap sensor position by feeding Gap
stock manually.
5. Select Printer – Sensors – Gap in Diagnostics Menu.
Check whether A/D value is changing by Peeler S/W position.
Peel-SW
A/D Value = 194
With a roll of stock installed, slide the
peeler body towards the back of the printer.
Lift the peeler wing and slide the peeler body
towards the front of the printer.
6. Press the Enter( ) button to return to the previous menu.

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1. Select Printer – Printhead – Temperat in the Diagnostics Menu.
1. You can check the battery indicator located on the upper right side of the screen.
In this Menu, You can check Printhead temperature(TPH) in ℃(Centigrade).
The temperature of Printhead must be lower than 60℃to print.
Press the Enter( ) button to return to the previous menu.
**Printhead
There are two ways to check the battery level.
2. Select Printer – Battery from the Diagnostics Menu, and the battery level is
displayed in voltage on the screen.
**Battery
NOTE
(7.8v above) (7.5v above)
(7.2v above) (6.8v below)
Press the Enter( ) button to return to the previous menu.
1. Select Printer – View Total – Print Inch in Diagnostics Menu.
In this Menu, you can view Total inches printed
**View Total
Press Enter( ) button to return to the previous menu.
Remaining battery power
2-1-2. Display
1. Select Display – Backlight in the Diagnostics Menu
You can check the display in this Menu.
2. Press the Up(▲) button Backlight is turned off, if the same button is pressed once more then it
is turned on.
3. Press Enter( ) button to exit from Backlight Test.
4. Select Display – Pixel in the Diagnostics Menu.
5. Press the Up(▲) button all Pixels on the screen are changed into black color and if it is
pressed once more then all Pixels are changed into white color.
6. Press Enter( ) button to exit from Pixel Test.

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2. Press the Up(▲) button, press the Down(▼) button, and press the Enter( ) button.
3. Each icon should change from O to X when pressed.
4. Press the Enter( ) button from the keyboard test.
2-1-3. Buttons
1. Select Keyboard from the Diagnostics Menu.
2-1-4. RAM
Select this Menu and check memory of the printer.
1. Select RAM in Diagnostics Menu.
2. The message "RAM test running" is displayed.
3. If the RAM test passes, you will see:
4. If the RAM test fails, you will see:
5. Press the Enter( ) button to return to the previous menu.

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2-1-5. Data Dump
Use this menu if you are having problems with a data stream. Data Dump captures the
data from the communications port and prints that information to a label.
For CPCL, the previous command data will be printed on the paper.
For MPCL, previous command data will be printed on the paper.
1. Select the Data Dump from Diagnostics Menu.
2. The labels print with data from the communication port.
2-1-6. About
You can see the model name of the printer and H/W and S/W version in this Menu.
1. Select About in Diagnostics Menu.
2. Printer information will be displayed on the screen.
3. Press any key to exit.

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3. SETTING UP THE PRINTER
3-1. SETUP
This chapter describes, how to set up the printer.
1. Turn on the printer.
2. Press the Enter( ) button.
3. Press the Enter( ) button then enter the password.
5. If the password is entered correctly, you see:
6. Press the Up(▲) / Down(▼) button to select Setup Menu and press the Enter( ) button.
4. Press Up(▲) and Enter( ) button in the sequence of , ▲, ▲, ▲,
3-1-1. Stock PWR
Using this Menu, you can set stock type. This printer uses two kinds of stock types,
Standard and High Power. Standard supports tag, label, or receipt stock, and High Power
supports linerless and synthetic.
1. In the Setup Menu, select StockPWR.
2. Select stock type.
3. The following will be displayed:
4. Press any key to exit. Set Values are stored.
NOTE
The “special” setting is reserved for future supply types. Do not use this setting.

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3-1-2. Backlight
This Menu activates or deactivates the LCD Backlight.
1. In the Setup Menu, select Backlight.
2. Select Disable or Enable.
3. The display will show:
4. Press any key to exit. Set Values are stored.
3-1-3. Contrast
This Menu sets the Contrast of the LCD.
1. Select Contrast in Setup Menu.
2. Press the Up(▲) button or Down(▼) button to adjust the contrast.
3. Press the enter button ( ) to save and exit.
+( ) -( )

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▶+
Press Up(▲) button
[Move cursor. (+00)]
Press Down(▼) button
[Character is changed]
Press Enter( ) button.
[Exit after stored.]
First position(+00) It changes +/-.
Store the setting and
then exit.
Second position(+00) Changes second position.
Third position (+00) It changes third position.
3-1-4. Printer
In this Menu, you can set Print Contrast, Print Positions and use of various sensors.
In this Menu, you can adjust print contrast.
1. Select Setup Menu – Printer – Contrast.
The operations above are described in the following table.
2. Press the Up(▲) button to move the cursor one step towards the right side (selecting the +/-).
Press the Down(▼) button to change the positive/negative setting.
3. Press the Up(▲) button to move the cursor one more step to the right.
Press the Down (▼) button to increase/decrease the print contrast setting (0 – 9).
**Adjusting the Print Contrast
4. If you exceed the minimum/maximum range, the following Menu appears and you must set
the print contrast within the acceptable range.
1. Select Setup Menu-Printer-Supply Pos.
3. The above key operations are described in the following table.
4. When you try to set a value, if the value exceeds the minimum/maximum range, the following
message
This Menu sets how much the paper is fed during printing.
**Adjusting the Supply Position
2. In the following picture, if the Up(▲) button is pressed, the position of the cursor moves towards
the right side by one step. If the Down(▼) button is pressed, the level of characters on
which the cursor is presently positioned is increased. For example, if you press on + it changes
to -, and if Down(▼) is pressed on – then it is changed to +. If Down(▼) is pressed on a Number,
then the number is increased by 1(0~9). Once you have the desired value, store it and exit by
pressing Enter( ) button.
▶+
Press Up(▲) button
[Move cursor. (+00)]
Press Down(▼) button
[Character is changed]
Press Enter( ) button.
[Exit after stored.]
First position(+00) It changes +/-.
Store the setting and
then exit.
Second position(+00) Changes 10 digit.
Third position (+00) It changes 1 digit.
th
st

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4. When you are changing values, if you set a value that exceeds the minimum/maximum range,
the following message appears on the top of the screen before returning to the Setting Menu again.
1. Select Setup Menu – Printer – Print Pos.
3. The above key operations are described in the following table.
This menu lets you increase or decrease the amount of whitespace above the printed label.
**Adjusting the Print Position
2. In owing picture, if you press the Up(▲) button the position of the cursor moves to the right
side one place. If you press the Down(▼) button the led the cursor is highlighting is changed.
For example, if you press Down(▼) on + it changes to - and if you press Down(▼) on – then it
changes to +. In addition, if you press Down(▼) on a number then the number increases
by 1 (0~9). Once you have selected the desired value, save and exit by pressing Enter( ) button.
▶+
Press Up(▲) button
[Move cursor. (+00)]
Press Down(▼) button
[Character is changed]
Press Enter( ) button.
[Exit after stored.]
First position(+00) It changes +/-.
Store the setting and
then exit.
Second position(+00) Changes 10 digit.
Third position (+00) It changes 1 digit.
th
st
4. When you are changing values, if you set a value that exceeds the minimum/maximum range,
the following message appears on the top of the screen before returning to the Setting Menu again.
1. Select Setup Menu – Printer – Margin ADJ.
3. The above key operations are described in the following table.
In this Menu, the printing position can be adjusted left/right based on the value entered.
**Adjusting the Margin Adjust
2. In owing picture, if you press the Up(▲) button the position of the cursor moves to the right
side one place. If you press the Down(▼) button the led the cursor is highlighting is changed.
For example, if you press Down(▼) on + it changes to - and if you press Down(▼) on – then
it changes to +. In addition, if you press Down(▼) on a number then the number increases
by 1 (0~9). Once you have selected the desired value, save and exit by pressing Enter( ) button.
▶+
Press Up(▲) button
[Move cursor. (+00)]
Press Down(▼) button
[Character is changed]
Press Enter( ) button.
[Exit after stored.]
First position(+00) It changes +/-.
Store the setting and
then exit.
Second position(+00) Changes 10 digit.
Third position (+00) It changes 1 digit.
th
st

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1. Select Setup Menu – Printer – Sensor Mode.
2. Select one of the four label sensor modes including Gap, BM Lower, BM Upper, or Non-indexed.
3. The display shows:
This Menu allows you to congure the paper sensor according to the type of paper
loaded (Gap, BlackMark (BM).
**Setting the Sensor Mode
NOTE
Our supplies are usually black mark on the back (non-printing side), so
select BM Upper.
1. Select Setup Menu- Printer – Stock Sensor.
2. Perform the following tests using the following picture as reference.
This Menu sets the DAC value for each sensor (Gap, BlackMark).
**Setting the Stock Sensor
PEELER SENSOR
B/M & GAP SENSOR

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1. With the printer turned off, remove one or two labels from the liner.
2. With the printer in peel mode, place the liner over the sensor.
3. Press the Enter( ) button when you see:
4. The following message appears. Press the Enter( ) button to continue.
Gap Mode 5. The test label will print.
6. The following message appears.
7. Press any key to exit from the Menu.

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1. Cover the lower black mark with a label.
2. Press the Enter( ) button.
3. The following message appears. Press the Enter( ) button to continue.
Black Mark Lower Mode 4. The information label prints.
5. The following message appears based on the result.
6. Press any key to exit from the Menu.

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1. Cover the upper black mark with a label. The BM Upper sensor is recommended for
our supply.
2. Move to the next step by pressing the Enter( ) button on the following screen.
3. The following message appears and if the Enter( ) button is pressed the test will begin.
Black Mark Upper Mode
DETECT SENSOR
4. The information label prints.
4. Following message appears according to the result.
5. Press any key to exit from the Menu.
This Menu can activate or deactivate the Width-Detect Function.
1. Select Toolbox – Setup – Printer – Detect.
If “Enable” is selected and the supply is less than 1 inch wide, the printing speed is reduced.
**Setting Width Detection

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The following values must be set for serial communication with PC.
3-1-5. Serial Communications
You can set serial communication using this Menu.
Option Choices Defualt
Baud Rate 1200/2400/4800/9600/
19200/38400/57600/115200 9600
Parity None/Odd/Even None
Data Bits 7/8 8
Stop Bits 1/2 1
Flow Control No Flow/DTR Flow/
RTS Flow/Xon/Xoff/Special DTR
1. Select Setup Menu – Serial Comm – Baud Rate.
1. Select Setup Menu – Serial Comm – Parity.
2. Select No Parity, Odd Parity, or Even Parity.
3. Save the setting by pressing the Enter( ) button.
4. Select exit to return to the Serial Comm menu.
2. Select either 1200, 2400, 4800, 9600, 19200, 38400, 57600, or 115200.
4. Select exit to return to the Serial Comm menu.
3. Save the setting by pressing the Enter( )button.
**Baud Rate
**Parity
(※BPS=Bit Per Second)