MINJCODE MJ5818 User manual

58MM Thermal Receipt Printer
User manual
Please read this manual carefully before using it, and keep
it for future reference.

1
About this manual
Thank you for your purchase of our company's 58MM thermal printer.
This manual can help you learn to use this product. Please read this
manual before use, and safekeeping, so that all the use of this product
can read it.
Safety tips:
◆Do not disassemble the printer personally, please read this manual
before use.
◆The printer should be installed in a solid place to avoid vibration or
impact damage to the printer.
◆Do not store and use the printer in the environment of high
temperature, high humidity, and heavy pollution.
◆When plug connection line, please make sure the printer power is
closed.
◆In order to ensure the quality of printing and the life of the product,
please use the normal manufacturers' thermal paper.
◆After printing, print head is still at high temperature, please do not
touch, to avoid burn.
◆Please do not use dissolved substances, such as: benzene, thinner
or alcohol wipe to clean the printer casing. At the same time, please do
not use corrosive chemicals and detergent to contact printer. To avoid
damage to the printer.
◆The printer can't print in a paperless state, otherwise it will seriously
damage the printing roller and thermal print head.
Application Area:
◆Electronic cash register POS system printing
◆Electronic transfer system printing
◆Sports, postal, civil aviation bill printing
◆Query, service system bill printing
◆Tax bill printing

2
Package:
◆Printer 1PC
◆Adaptor Power line 1 PC
◆Paper roll 1 ROLL
◆USB Data cable 1PC
◆Use manual 1PC
◆Driver CD 1PC
Product Features：
◆Low noise, high speed printing
◆Support raster bitmap printing
◆Easy paper install structure,simple and convenient to operate
◆Built-in power supply design, to save space and more convenient to
configure;
◆Support GB18030 big font, easy to print uncommon characters
◆Support multi language print, suitable for users all over the world;
◆Support download and print LOGO&graphics ;
◆Support Windows, Linux, Android and IOS system printing
◆Built in data buffer, print and receive data at the same time;
◆Support character zoom, rotation, adjustable line spacing printing
character;
◆The power consumption is small, and without ribbon cartridge, low
use cost;
◆Compatible with ESC/POS instruction set;

3
Parameters：
Items
Parameters
Print
parameters
Printing Method
Thermal Line
Printing Method
48MM
Resolution
384dots/Line（8dots/mm，203dpi）
Printing Speed
76mm/Second
Interface Type
USB
Line Spacing
3.75 mm（Can adjust line spacing by command）
Line No.
Font A:32 character /Line
Font B:42 character/Line
Simple,traditional Chinese-16 lines
Character
Standard GB18030 simplified/traditional
Chinese Fonts
Character Size
ANK character，Font A：1.5×3.0mm (12×24dot)
Font B：1.1×2.1mm (9×17 dot)
Simplified/Traditional Chinese：
3.0×3.0mm(24×24 Dots）
Bar code &
Character
Extended
character set
PC437/Katakana/PC850/PC860/PC863/PC865/
Western Europe/Greek/Hebrew/Eastern
Europe/Iran/WPC1252/PC866/PC852/PC858
/IranII/Latvian/Arabic/PT151,1251/PC737/WPC/
1257/ThaiVietnam/PC864/PC1001/(Latvian)/(P
C1001)/(PT151,1251)/(WPC1257)/(PC864)/(Vi
etnam)/(Thai)
Bar code
UPC-A/UPC-E/JAN13(EAN13)/JAN8(EAN8)CO
DE39/ITF/CODABAR/CODE93/CODE128
Graphics
printing
Graphics
printing
Supports bitmap download and print
Paper
Type
Thermal Roll
Width
57.5±0.5mm

4
Diameter
≤60mm
Feed Method
Easy feed (Clamshell feed)
Commands
Commands
ESC/POS
Power
Power Adaptor
Input：AC 100V-240V,50-60Hz
Output：DC 12V/2A
Casher Drawer
output
DC 12V/1A
Buffer
Input Buffer
32K bytes
NV Flash
40K bytes
Physical
characterist
ics
Weight
590g
Dimension
185*130*112(MM)
Environme
nt
Working
Temp：5 ~ 45℃,Humidity：10 ~ 80%
Storage
Temp：-10 ~ 50℃,Humidity：10 ~ 90%（No dew）
Reliability
parameter
Print Head Life
50KM（print density≤12.5）
Software
Driver
Android, IOS, Linux, Win2000, Win2003,
WinXP, Win7,Win8,Win8.1,Win10

5
Printer connection:
1 connect the power adapter cable to the printer power supply interface.
2 connect the USB data cable to the printer's interface.
3 the cashier drawer cable connected with printer interface .
Install the print paper
58MM series thermal printer using 58MM thermal paper, using easy
paper structure, convenient to install paper.
1.thumb and forefinger pinch the flip cover front place , pull up to open
the printer's flip cover.
2.Put thermal print paper in the paper holder according to the pic below.
3.Press down the flip cover
Note: take care of the roll direction, if reverse direction, the content
won’t be print out.

6
Switch, key name, indicator and function:
1 POWER switch
The switch can turned on and off the printer power supply.
2 (FEED) key
Press the button can feed.
3 (STATUS) light
STATUS light long off indicates the printer is in the normal working state,
STATUS light flashing indicates that the printer is short of paper, print
head overheating or error and other abnormal conditions.
4 (POWER) lamp
The indicator light on indicates that the printer is connected to the power
supply, this light off indicates that the printer power is off.
Self test:
Printer self-test method are as follows: when the printer connected to
the power adapter, press (feed) key and open the printer power at the
same time, released the button after approximately 2 seconds, printers
will print out current printer status and settings.
Hex number system:
When the printer connected to the power adapter, press (feed) key and
open the printer power at the same time, released the button after
approximately 6 seconds. The printer print out the words "Dump
Hexadecimal".
Printer restore factory settings:
When the printer connected to the power adapter, press (feed) key and
open the printer power at the same time, released the button after
approximately 10 seconds, printer is restored to factory settings.

7
Printer connection :
1.Windows driver installation
Our driver is very convenient to install and use, click on the driver file,
the next step directly... then can be used when installation success, no
need to configure the USB port.

8

9

10
Printer Repair and maintenance:
1. printer external and warehouse cleaning: please use a wet cloth
gently wipe the printer surface and internal paper warehouse.
2. Printer core clean: printer core must be clean on time, especially the
quality of printing is decline, cleaning methods are as follows: put cotton
dipped in anhydrous alcohol and gently wipe the printer core ceramic
parts as shown in the picture below until clean enough.
3.If find water inside printer, please immediately disconnect the printer
power, and dry the printer naturally.
Failure Analysis:
Failure phenomenon
Failure cause
Solution
Printer status
indicator flashing
1.Printer lack of paper
2.The printer head is
too hot
3.The flip not closed
well
1.Install paper correctly
2.Open the cover and
dissipate heat fully then go on
printing.
3. Cover the flip well
When the printer
prints only paper run
but not print
Print paper install
reverse
Please install the print paper
for a opposite direction
The printer print fuzzy
The print head not
clean for a long time
Put cotton dipped in
anhydrous alcohol and gently
wipe the printer core ceramic
parts until clean enough
There is no response
of printer
The power adaptor
not connected
Please check power adaptor
is connected well or not,power
switch is turn on or not
Printer can self test,
but can not print
online
Driver port selection
error
Please select the correct print
driver port based on the actual
connection port