KEFAR Barcode Scanner User Manual

1. Introduction

This manual provides detailed instructions for the KEFAR KR-6802 series barcode scanners. This series includes three models: KR-6802 (USB Wired), KR-6802W (2.4GHz Wireless + USB Wired), and KR-6802B (Bluetooth + 2.4GHz Wireless + USB Wired). Please identify your model to follow the correct instructions.

KEFAR barcode scanner with 1D, 2D, and screen barcode icons — KEFAR Barcode Scanner capable of reading 1D, 2D, and screen barcodes.

2. Model Overview

The KEFAR KR-6802 series offers versatile connectivity options to suit various needs:

Model KR-6802: USB Wired Connection ONLY.
Model KR-6802W: 2.4GHz Wireless and USB Wired Connections.
Model KR-6802B: Bluetooth, 2.4GHz Wireless, and USB Wired Connections.

KEFAR KR-6802B Bluetooth 2D scanner — KEFAR KR-6802B model, featuring Bluetooth connectivity.

KEFAR KR-6802W Wireless 2D scanner — KEFAR KR-6802W model, offering 2.4GHz wireless and wired connectivity.

KEFAR KR-6802 Wired 2D scanner — KEFAR KR-6802 model, a USB wired 2D scanner.

3. Setup Instructions

3.1. General Setup (All Models)

Charging: Before first use, fully charge the scanner using the provided USB cable. The 2000mAh Li-Ion battery provides long standby time and approximately 6-8 hours of continuous scanning.
Plug & Play: All models are designed for plug-and-play operation, requiring no driver installation.

Image showing battery life and continuous scan time for the scanner — The scanner features a large capacity battery for extended use.

3.2. Model-Specific Setup

3.2.1. KR-6802 (USB Wired)

Connect the scanner to your computer's USB port using the provided USB cable.
The computer will automatically detect and install the device.
The scanner is ready for use.

3.2.2. KR-6802W (2.4GHz Wireless + USB Wired)

Wired Connection: Follow the instructions for Model KR-6802.
2.4GHz Wireless Connection:
1. Insert the Mini USB Receiver into an available USB port on your computer.
2. The computer will automatically detect and install the receiver.
3. Scan the "Pair Method" barcode from the user manual (physical or digital).
4. The scanner will connect wirelessly to the receiver.

3.2.3. KR-6802B (Bluetooth + 2.4GHz Wireless + USB Wired)

Wired Connection: Follow the instructions for Model KR-6802.
2.4GHz Wireless Connection: Follow the instructions for Model KR-6802W.
Bluetooth Connection:
1. Ensure your device (computer, tablet, phone) has Bluetooth enabled.
2. Scan the "Pair Method" barcode from the user manual.
3. Scan the "Bluetooth HID mode" barcode from the user manual to activate Bluetooth pairing mode.
4. On your device, search for new Bluetooth devices and select "BarCode Scanner HG" (or similar name) to pair.
5. Once paired, the scanner is ready for Bluetooth operation.

Video demonstrating the pairing process for the KEFAR barcode scanner.

Image showing multiple compatibility systems and connection types for the scanner — The scanner supports various operating systems and connection methods.

4. Operating Instructions

4.1. Scanning Barcodes

Point the scanner's window at the barcode you wish to scan.
Press the trigger button. A light will emit from the scanner.
Ensure the light beam covers the entire barcode.
A successful scan will be indicated by an audible beep and/or a visual indicator (e.g., green light).
The scanned data will appear in the active application on your connected device.

Image showing scanner reading barcodes from a phone screen and paper, with connection options — The scanner can read both 1D and 2D barcodes from physical labels and digital screens.

4.2. Working Modes (KR-6802B & KR-6802W)

These models support two working modes:

Instant Upload Mode: Barcodes are synchronously uploaded to your computer as they are scanned.
Storage Mode: Barcodes are stored in the scanner's internal memory (256 KB, capable of storing over 2600 codes) and can be uploaded to the device when needed. To switch to storage mode, scan the appropriate barcode from your user manual.

4.3. Supported Symbologies

The scanner supports a wide range of 1D and 2D barcode types:

1D Barcodes: UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 32, Code39(ASCII), Industrial 2 of 5, Interleave 2 of 5, Matrix 2 of 5, NW7, Code 128, UCC/EAN128, USD-8, MSI /Plessey, UK /Plessey, GS1 DataBar, Postal Code.
2D Barcodes: DataMatrix (ECC200), QR Code, PDF417, Micro PDF417, Maxicode, Micro QR, Aztec.

Image detailing the excellent decoding ability of the scanner for various 1D and 2D barcodes — The scanner offers excellent decoding ability for a comprehensive list of 1D and 2D codes.

4.4. Keyboard Language Support

The scanner supports multiple keyboard layouts for international use, including English, Spanish, Dutch, Russian, French, German, Italian, and Canadian.

Image showing the scanner supporting multiple keyboard languages — The scanner is compatible with various international keyboard layouts.

5. Maintenance

Cleaning: Use a soft, dry cloth to clean the scanner's exterior. For the scanning window, use a lint-free cloth and a mild cleaning solution if necessary. Avoid abrasive materials or harsh chemicals.
Battery Care: For models with rechargeable batteries, avoid fully discharging the battery frequently to prolong its lifespan. Recharge when the battery indicator is low.
Storage: Store the scanner in a cool, dry place away from direct sunlight and extreme temperatures.
Durability: The scanner features an industrial-level anti-shock design, capable of withstanding repeated 4.9ft (1.5m) drops to concrete. However, avoid unnecessary drops or impacts.

6. Troubleshooting

Problem	Possible Cause	Solution
Scanner not reading barcodes.	Barcode is damaged or poorly printed. Incorrect scanning angle or distance. Scanner is not properly connected or paired. Unsupported barcode symbology.	Try scanning a different, known-good barcode. Adjust the scanning angle and distance. Ensure the entire barcode is covered by the light. Check USB connection, 2.4GHz receiver, or Bluetooth pairing status. Re-pair if necessary. Refer to Section 4.3 for supported barcode types.
No data transmitted to computer.	Not connected/paired. In Storage Mode (for wireless models). Application not in focus.	Verify connection/pairing. Ensure scanner is in Instant Upload Mode (if desired). Click into the text field of your application (e.g., Notepad, Excel) to ensure it's active.
Scanner not charging.	Faulty USB cable or port. Battery issue.	Try a different USB cable or port. Contact support if the issue persists after trying different cables/ports.

7. Specifications

Feature	Detail
Brand Name	KEFAR
Model Number	KR-6802 series
Product Type	Bar Code Scanner
Type	Barcode Scanner
Scanning Light Source	Natural Light + LED
Scan Element Type	CMOS
Optical Resolution	600*1200
Scan Speed	200 scans/second
Colour Depth	32 Bit
Depth of Scan Field	10-800 mm (4-30 cm for KR-6802W)
Precision	5 mil (0.10mm)
Decode Error Rate	Less than 1/8 million
Decode Mode	By trigger or continuous mode
Interface Type	USB (All models)
Signal Connection Type	Bluetooth (KR-6802B), 2.4GHz (KR-6802W, KR-6802B)
Battery Capacity	2000mAh (for wireless models)
Continuous Scan Time	Approx. 6-8 hours (for wireless models)
Standby Time	>60 Days (for wireless models)
Button Lifespan	Up to 8 million times (5 million times mentioned for some models)
Drop Resistance	Withstands repeated 4.9ft (1.5m) drops to concrete
Certifications	CE, FCC, RoHS
Origin	Mainland China

8. User Tips

For optimal performance, ensure the barcode is flat and well-lit when scanning.
When using wireless modes, keep the scanner within the recommended transmission distance (up to 328 feet for 2.4GHz wireless).
If experiencing slow scanning or missed reads, try adjusting the distance and angle to the barcode.
Regularly check the battery level for wireless models to avoid interruptions during use.
For Bluetooth connections, ensure your host device's Bluetooth is discoverable during the pairing process.

9. Warranty and Support

All KEFAR products come with a warranty of not less than 12 months, with some models extending up to 24 months. In case of any defects within 30 days of shipment, products will be replaced. For technical support or warranty claims, please contact KEFAR customer service. Spare parts may be provided for mass orders for local maintenance.

Image showing 100% Assurance After-Sales Service with 1 Year Warranty — KEFAR offers a minimum 1-year warranty on its products.

Image detailing warranty and after-sales service information — Detailed information on warranty and after-sales support.