MINJCODE MJ2840 User manual

MJ2840 CCD 2.4G
Barcode Scanner Manual
V. 1 0
E-mail: [e-mail]
Web：www.minjcode.com

Contents
TechnicalParameter
Packing list
Battery Charging
Set Up Step
FAQS
Troubleshooting
Optional Function settings
1. Upload Mode Setting
1.1 Instant Upload Mode Setting
1.2 Storage Mode Setting
2. Scanning Mode Setting
2.1 Manually Triggered Mode (Default)
2.2 Continuous Scan Mode
3. Duplicated Barcode Detection
4. Beep Setting
5. Keyboard Language Setting
6. Case Sensitivity Setting(Direct Scan Code Setting)
7. Power Off Settings
8. End Character Setting
9. Barcode Types Enable/Disable
3
4
4
5
6
7
8
8
8
8
10
10
10
10
12
12
13
14
14
15
10.Data Editing 38
11.Appendix F 39

In order to correctly use the bar code scanner, please read the instruction carefully
and do not arbitrarily scan the settings code otherwise some settings may not be
available temporarily.
Please keep this instruction for reference in the future.
If you have any question or concern about the operation of the scanner, please contact
us at following Email:
[email protected]
www.minjcode.cn
You are suggested to write down the model & the specific scenario and consult the
maintenance person should you find the scanner abnormal.

Technical Parameter
：
Mfr P/NMJ2840
Radio Frequency 2.4Ghz Wireless
wireless Range
Indoor 60m, outdoor 100m
Memory 100000 barcodes
Battery capacity 2000mAh
Charging power
DC 5V 400mA
Standby current 18uA-25uA
Working current 15-50mA
Printing Contract
>25%
Light source
LED Light
LED life 12000 hours
Button life 8000,000 times
Resolution
≥4 mil
Scanning width 30cm
CPU ARM 32-bit Cortex
Bit Error rate
1/20million
Decoding speed
10ms/times, Continuous static decoding without interval
Scanning angle rotor angel±30°, inclination±60°, declination±60°
Drop test
1.5 m
Full charge on work
18 Hours
Certificate CE, FCC，RoHS，IP54
Applicable 1D barcode
EAN13、EAN8、UPC-A、UPC-E0、UPC-E1、
Code128、Code39、Code93、CodaBar、Interleaved 2 of
5、Industrial 2 of 5、Matrix 2 of 5、Code11、MSI-
Plessey、Standard 2 of 5、Plessey、China Post、GS1
Databar(RSS-Expand, RSS-Limited, RSS-14)

Packing list:
·Barcode scanner*1
·USB Cable*1
·Instruction Manual*1
·USB Wireless receiver *1
Battery & Charging:
The scanner is powered by 2000mAh chargeable battery.
Please ensure that the scanner has enough power before use.
Low battery level indication:
The red indicator light flashes three time, the buzzer would sounded 3 times,
it indicates that the power is less than 30%.
Please charge the scanner as soon as possible.
The red light flashes 5 time, the buzzer would sounded 5 times and then cut down
automatically, it indicates that the power is less than 20%. The scanner cannot be
powered as it enter into low voltage cutoff mode. Please stop scanning and charge the
scanner.
Charging indicator:
The red indicator light on the top of the scanner will stay on during the charging
process, and it will go off when the scanner is fully charged.
NOTE:
1. Please use computer USB interface or special 5V DC power adapter for charging,
the abnormal power will cause permanent damage to saner and battery.
The USB cable can be used for charging, as well as transmitting data.

Set Up Step:
The scanner has been paired with the receiver, and set up already.
Step 1. Power on the scanner by pressing the button. The buzzer has a triple beeps,
the blue light on the top of scanner will be on.
Step 2. Insert the USB receiver into the USB port of computer.
Step 3. Open notepad on computer and move cursor to the blank where scanning
output should be placed. Scanning results can be displayed on computer then.
If the barcode does not displayed, please set up the scanner again according to the
following steps.
Step 1. Unplug the USB receiver and plug it in again.
Step 2. Scan these codes in order.
Scanner Factory Reset
Pairing
Step 3. Open Word on computer, move cursor to the blank, scan a barcode to see if
it can be uploaded.

FAQs:
Q1. Why does scanner not read the barcode exactly. When I use the scanner to
read a barcode of an item, I get a different result from the barcode itself.
Example 1.There are two separate barcodes together. It scanned the first 12 digits in
the barcode but not the last five.
Solution: Please scan the code" EAN13-5 enable extra code" on page 16.
Example 2. The scanner is set with prefix or suffix.
Solution: Please scan the code "Scanner Factory Reset" on page 5.
Example 3. Set the corresponding country or region language and keyboard.
Solution: Please scan the barcode of your desired language in the keyboard language
setting on page 13.
If that is not your case, please send us a clear picture of the barcode and the result you
get, our customer service will help you to solve the problem.
Q2. Some barcodes can not be read, why?
Answer:
A. Incomplete and unclear barcodes might not be read.
B. It is possible that the setting is off by default for some barcode types which are not
commonly used. You need to activate a specific barcode type to get it working.
Please feel free to contact our Customer Service Team for further assistance if you
don't know the exact type of barcode that you are referring to.
Q3. Is there any barcodes to remove auto-enter after every scanning?
Answer:
To remove the auto-enter, please read the code" Disable suffix" on page 14.

Troubleshooting
：
Problem
Possible Reason
Solution
Power on the scanner, the
scanner has no reaction. The
buzzer does not beep, the
blue light on the top of
scanner does not turn on, the
red scanning laser does not
show up.
The battery run out. Connect the scanner to PC's USB
port for charging via USB cable
The scanner can not hold the
charge.
The PC' s USB port is out
of condition.
Connect the scanner to another USB
port for charging.
The USB cable is out of
condition.
Contact
[email protected]
for the replacement.
Scanner and USB receiver
are all in good condition. But
the barcode can not be sent
to my computer.
The scanner failed to match
the USB receiver.
1. Unplug the receiver and plug it
in to PC' s USB port
2. Re-pair
The scanner was set to
storage mode, scanned data
will be kept in the buffer of
scanner.
Please follow the settings on page 9.

Optional Function settings
Settings of the barcode scanner can be changed by scanning the setup barcodes
included in this manual.
1. Upload Mode Setting
1.1. Instant Upload Mode: Read barcodes and upload it straight to the file you have
opened.
** To set the scanner to upload barcode instantly, scan the following code:
Instant upload mode
Scanning indication:
(1) The buzzer emits a sound like "DI" when the barcode is uploaded successfully.
(2)The buzzer emits a sound like "DI-DI-DI" when the barcode can not be uploaded.
Note 1:
The transmission speed between every character can be changed by scanning the
following code. If some characters are missing, please set the scanner to lower
transmission speed. The higher the value, the slower the speed is.
Please make sure that the USB receiver is plugged.
High speed Medium speed
Low speed Slow speed
1.2. Storage Mode: Read barcodes and store the barcodes in scanner’s own
memory. You can upload the data to computer in batches when you need them.
Internal storage saves up to 100,000 barcodes.
Note:
In storage mode, the barcode will be stored in the scanner and will not come up on
your computer instantly. The barcode comes up on your computer only when you scan
the settings code "upload data".

* *To convert scanner from "instant upload mode" to "storage mode", scan the
following barcode "Storage mode ".
Storage mode
*Put the cursor in the blank, and then scan code below to upload data.
Upload data
*Put the cursor in the blank and then scan the code below to show total number of
stored barcode.
Show total storage
*Scan the barcode "Zero clearing" to clear all stored barcode. (for storage mode only)
Zero clearing
Scanning indication:
(1) The buzzer emits a sound like "DI" when the barcode is saved successfully in the
built-in memory of the scanner.
(2) The buzzer blared for three seconds when the barcode can not be saved in the
built-
in memory of the scanner. The space of memory is not enough and cannot store any m
ore barcodes. Please upload the saved barcode by scanning the code "Upload Data" a
nd then clear the saved barcode by scanning code " zero clearing".
Note 1:
In storage mode, the transmission speed between every barcode can be changed by
scanning the following code. The higher the value, the slower the speed is.
Note 2:
If the character upload speed (on page 8) is set to a slower speed, and the barcode
upload speed is set to a higher speed. When uploading data in storage mode, the data
maybe be lost. If some character or barcode are missing, please set the scanner to
lower barcode transmission speed.