RP Printer KP203 User manual

KP203 Thermal Printer
User’s Manual

Catalogue
1 Introduction .......................................................................................................................................................... 1
1.1 Brief introduction......................................................................................................................................... 1
1.2 Main features ............................................................................................................................................... 1
2 Specification ........................................................................................................................................................... 2
2.1 Specification ................................................................................................................................................ 2
2.2 Printing material requirements ..................................................................................................................... 4
2.2.1 Paper parameters ............................................................................................................................... 4
2.2.3 Printing paper using attention ........................................................................................................... 4
2.3 Printing and paper cutting position .............................................................................................................. 5
2.3.1 Printing position ................................................................................................................................ 5
3 Appearance and components .................................................................................................................................. 6
3.1 Appearance and components ....................................................................................................................... 6
3.2 Indicator instruction ..................................................................................................................................... 7
4 Printer installation ................................................................................................................................................... 8
4.1 Open the package ......................................................................................................................................... 8
4.2 Requirements of installation position .......................................................................................................... 8
4.3 Connect to power adapter ............................................................................................................................ 8
4.4 Connect Communication cables .................................................................................................................. 8
4.5 Connect to cash drawer ................................................................................................................................ 8
4.6 Paper roll loading ......................................................................................................................................... 9
4.6.1 Printing paper type confirmation ...................................................................................................... 9
4.6.2 Loading or change paper roll ............................................................................................................ 9
4.7 Printing self-test page .................................................................................................................................. 9
4.8 WINDOWS driver installation .................................................................................................................... 9
4.8.1 USB/parallel port driver installation ............................................................................................ 9
4.9 LINUX driver installation ...........................................................................................................................11
5 Interface pin definitions ........................................................................................................................................ 19
5.1 Parallel interface pin definition（DB25M） ............................................................................................. 19
5.2 USB interface pin definition（standard B type female base) .................................................................... 19
5.3 Power interface pin definition（MPC-3-001B） ...................................................................................... 20
5.4 Cash drawer interface pin definition（RJ11-6P6C） ................................................................................ 20
6 Faults handling ..................................................................................................................................................... 21
6.1 Printer does not work ................................................................................................................................. 21
6.2 Indicator error ............................................................................................................................................ 21
6.3 Problems when it is printing ...................................................................................................................... 21

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1 Introduction
1.1 Brief introduction
KP203 is a thermal POS printer. It has good printing quality and high stability, which is widely used in POS
system, food service industry and many other fields.
KP203 connects other devices via parallel or USB port, optional Bluetooth. It offers drivers for WINDOWS,
ANDROID and LINUX operating systems.
The supported operating systems are as below:
WINDOWS XP
WINDOWS 7 32/64
WINDOWS 8
WINDOWS 10
UBUNTU 12.04 32/64
UBUNTU 14.04 32/64
ANDROID (4.0~6.0)
1.2 Main features
1) Optional communication interfaces (Such as USB, parallel, Bluetooth)
2) With cash drawer interface
3) Low noise and high stability
4) Easy paper loading
5) Easily use and maintain
6) Support continuous paper printing

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2 Specification
2.1 Specification
Item Parameter
Printing parameter
Printing method Thermal printing
Resolution 203DPI,8 dots/mm
Printing width 48mm(384 dots)
Printing speed 90mm/s
Interfaces and
printer types
USB: KP203-U
Parallel：KP203-P
Optional: Bluetoooth
Page mode / Nonsupport(Optional)
Command set / ESC/POS compatible commands
FLASH FLASH 4M bytes, NV bitmap 64K bytes
characters
Chinese GB18030 24×24
Words, figures ASCII 9×17,12×24
User-defined Support
Code pages
Optional international character sets 45
TRADITIONAL CHINESE
CHINESE
CP437 [U.S.A., Standard Europe]
Katakana
CP850 [Multilingual]
CP860 [Portuguese]
CP863 [Canadian-French]
CP865 [Nordic]
WCP1251 [Cyrillic]
CP866 Cyrillic #2
MIK[Cyrillic /Bulgarian]
CP755 [East Europe，Latvian 2]
Iran
CP862 [Hebrew]
WCP1252 Latin I
WCP1253 [Greek]
CP852 [Latina 2]
CP858 Multilingual Latin Ⅰ+Euro)
Iran II
Latvian
CP864 [Arabic]
ISO-8859-1 [West Europe]
CP737 [Greek]
WCP1257 [Baltic]
Thai
CP720[Arabic]
CP855
CP857[Turkish]
WCP1250[Central Europe]

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CP775
WCP1254[Turkish]
WCP1255[Hebrew]
WCP1256[Arabic]
WCP1258[Vietnam]
ISO-8859-2[Latin 2]
ISO-8859-3[Latin 3]
ISO-8859-4[Baltic]
ISO-8859-5[Cyrillic]
ISO-8859-6[Arabic]
ISO-8859-7[Greek]
ISO-8859-8[Hebrew]
ISO-8859-9[Turkish]
ISO-8859-15 [Latin 3]
Thai2
CP856
Chart /
Supports different density dots and images printings
Supports grating bitmap printing
Supports download bitmap printing, every bitmap size should less
than 64K, and the total capacity of download bitmap is 64K.
Bar codes 1D UPC-A、UPC-E、EAN-8、EAN13、CODE39、ITF、CODEBAR、
CODE128、CODE93
2D QR Code
Detection function Sensor Paper out
LED indicator
Power indicator Green
Bluetooth indicator Green
Paper out indicator Red
Error indicator Red
Paper Requirement
Type Standard thermal receipt paper
Width 57.5±0.5mm
Thickness 0.056~0.1mm
Diameter 50mm(Max.)
Physical
characteristics
Paper loading Easy paper loading
Operating condition
-10℃ ~ 50℃，25% ~ 80%RH
Storage condition ~40℃ ~ 70℃，≤93%RH（40℃）
Outline dimension 185mm×110mm×94mm（W×L×H）
Weight 0.5Kg
Reliability TPH life 50km
Motor life 360,000 hours
Software function Driver procedure Windows（WIN7/WIN8/WIN10/Vista/XP/2000）
Ubuntu 12.04 32/64, Ubuntu 14.04 32/64

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2.2 Printing material requirements
2.2.1 Paper parameters
1) Paper type: thermal receipt paper/thermal black mark paper
2) Paper width:58±0.5 mm
3) Paper roll diameter: 50 mm (Max.)
4) Paper thickness:0.065 ~ 0.10mm
2.2.3 Printing paper using attention
Note:
1) Please use good quality paper, otherwise, it will effect printing quality and even reduce printer head life.
2) Don’t make the paper stick on axis.
3) Paper will be fading out or reduced thermal sensitivity if it is polluted by chemical or oil, which will affect
printing effects.
4) Don’t use nail or hard things to clash printing paper, otherwise, it will be fade out.
5) Paper will be fading out if the environment temperature exceeds 70°C. So please take note the temperature,
humidity and illumination effects.

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2.3 Printing and paper cutting position
2.3.1 Printing position
L1-Paper storehouse’s width:58±0.5mm
L2-Effective printing width: 57mm
L3-Distance between print head to paper storehouse’s left edge (fixed width): 3±0.3mm
L4-Distance between print head to paper storehouse’s right edge (fixed width): 3±0.3mm
L5-Left margin: Default is 4mm
L6-Printing area width: it is set by commands (refer to programming manual). Default is 48mm.
L7-Right margin: Default is 4mm.

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3 Appearance and components
3.1 Appearance and components

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Function instruction of components
1）Power switch
Press the power button, then turn it ON, Press it again and turn it off.
statue indicator(green)
The indicator is on when power on, and statue of printer.
2）Bluetooth indicator (green)
Bluetooth indicator is on when Bluetooth connected.
3.2 Indicator instruction
Function instruction of indicators and buzzer
Indicator light Indicator status Printer status
Power indicator（Green） ON Power on status
OFF Power off status
Bluetooth indicator (Green) ON Bluetooth connected
OFF Bluetooth disconnected
Error indicator (Red) ON Error status
OFF Normal status
Out of paper indicator (Red) ON Out of paper
OFF Enough paper
Note: Printer detects printer head temperature via thermal resistance. It will cut off print head power
and stop printing if print head is overheat. The print head protection temperature is 80℃.
Status Power indicator Error indicator Out of paper indicator Buzzer
Paper bin cover open ON ON ON Beep 3 sound
Enough paper ON OFF OFF ~
Out of paper ON ON ON Beep 3 sound

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4 Printer installation
4.1 Open the package
Please make sure everything is in good status when you open the package. Otherwise, please contact to distributor
in time.
4.2 Requirements of installation position
1) Put the printer on a stably place.
2) Let the printer far away from water, fire, and sunlight.
3) Avoid to put it on oscillatory and impassive place.
4) Make sure to connect printer with ground safety
4.3 Connect to power adapter
1) Make sure the printer is power off.
2) Connect power adapter’s DC output plug to the printer.
3) Connect power adapter’s AC input plug to a power outlet.
4) Please be careful to operate correctly when plug out the plug of power cord to avoid damage.
4.4 Connect Communication cables
1) Make sure the printer is power off.
2) Connect communication cable to the printer’s port, and fix it as plug lag spike (or snap spring).
3) Connect communication cable to the other side host.
4.5 Connect to cash drawer
1) Make sure the printer is power off.
2) Connect cash drawer to cash drawer port behind the printer.
Warning: The Voltage of cash drawer port is 12V. (It cannot connect to telephone cable.)

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4.6 Paper roll loading
4.6.1 Printing paper type confirmation
You can load paper roll to print after connecting power adapter and communication cables. Please make sure the
printing paper type before printing. The default paper type is continuous thermal receipt paper.
4.6.2 Loading or change paper roll
1) Power off the printer.
2) Slide or press paper roll storehouse button, and then open storehouse cover.
3) Draw out paper roll tap, and load paper roll as below.
4) Draw out a printing paper, and leave some on the paper out month, then close the storehouse cover.
Warning: Please make sure the paper roll in tense status, if not, it maybe cause paper jam or other
problems.
4.7 Printing self-test page
1) Make sure the printer loaded paper roll correctly.
2) Press down [FEED] button and hold on, then power on the printer, the printer will print a self-test page.
4.8 WINDOWS driver installation
The printer CD has WINDOWS driver procedure ,the position is :Drivers\Windows file.
4.8.1 USB/parallel port driver installation
1） Right click “InstallMFC.exe”,and run as administrator.(Double click to run in XP system,and it needs
administrator to run in WIN7/WIN8/WIN10)

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2）Choose language as “Simplified Chinese”,and choose printer to connect PC port.
3）Choose the port and model what you need (USBxxx corresponds USB port, COMx correspondS serial port,
LPTx corresponds parallel port),and click to install.
4）Then it will show “Add Printer successfully”

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4.9 LINUX driver installation
USB port driver installation
1.Copy commandtokc，rastertokc，texttokc in the catalogue to the filter catalogue of
cups.This catalogue normally is /usr/lib/cups/filter/.The installation procedure has been
written in shell for installing expediently.Pls run shell script in terminal,the run command
is :sudo ./install.sh. If script can not run permission,pls run :sudo chmod a+rwx install.sh in
terminal,and add permission for it.

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2.Click system setting after installing filter.
3.Click printer

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4. Add printer
Serial port printer chooses serial port #1,or serial port #n.It is permission denied if it
does not show serial port.Please modify serial port device file access right as all people can
read and write,or input command in the terminal:sudo chmod a+rw /dev/ttyS0;com1 in
windows corresponds /dev/ttyS0 in Linux;com2corresponds s/dev/ttyS1;by parity of
reasoning.Wait for a few minutes after modifying permission,you will find serial port in “Add
printer”.Choose baud rate the same as printer’s baud rate,no parity,data bit 8, flow control
hardware(RTS,DTR are okay).
USB printer needs to connect PC first,and then click “add printer”.You will find there is a
extra Unknown in choice devices.It describes a printer connects to USB port.This is the
USB printer what it just connected.

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5. You will realize a searching driver hint when click forward after selecting the port.Choose
PPD file in the page of choosing driver procedure.

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6. Choose Printer58.ppd in the catalogue

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7. Click “Forward” button
8. Click “apply” button.

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9. Print self-test page
The driver installs correctly if it can print self-test page.