TEKLEAD T-1902L Barcode Scanner User Manual

1. Introduction

The TEKLEAD T-1902L is a versatile and cost-effective barcode scanner designed for efficient data capture. Utilizing advanced CCD sensor technology, it excels at reading a wide range of 1D, 2D, and QR codes, including those displayed on mobile phone screens, plastic cards, and metal surfaces. This scanner is engineered for intelligent and sensitive recognition, capable of decoding even blurry, damaged, scratched, or dislocated barcodes. Its plug-and-play USB interface ensures broad compatibility with various operating systems without the need for driver installation.

TEKLEAD T-1902L Barcode Scanner with warranty and supported barcode types — Figure 1: TEKLEAD T-1902L Barcode Scanner highlighting 3-year warranty, USB connectivity, Windows compatibility, and various supported barcode types (Aztec, Data Matrix, Maxi Code, PDF417, QR Code, 1D Code).

The T-1902L offers multiple connectivity options including Wired USB, 2.4G wireless, and 2.4G Bluetooth, providing flexibility for different operational environments. Its robust design ensures stable operation and a longer lifespan compared to traditional laser scanners. TEKLEAD Group has over 10 years of experience in the development, production, and sales of POS equipment, ensuring reliable products and support.

Comparison of CCD vs Laser Barcode Scanners — Figure 2: Advantages of CCD Barcode Scanners over Laser Barcode Scanners, including ability to read phone screens, more stable operation, and longer life.

TEKLEAD T-1902L Wired 1D CCD Barcode Scanner — Figure 3: A view of the T-1902L Wired 1D CCD Barcode Scanner, illustrating its compact design and USB wired connectivity.

2. Setup Instructions

2.1 Unpacking

Carefully unpack the contents of the box. The package should include:

Packing box
Instruction manual
TEKLEAD T-1902L Barcode Scanner (Machine host)

2.2 Connecting the Scanner

The TEKLEAD T-1902L barcode scanner is designed for plug-and-play operation, requiring no driver installation. Simply connect the scanner to your device using the appropriate interface:

Wired USB: Connect the USB cable from the scanner to an available USB port on your computer or POS system.
2.4G Wireless (if applicable): Insert the 2.4G USB receiver into a USB port on your device. The scanner should automatically pair.
Bluetooth (if applicable): Follow your device's instructions to pair with the scanner via Bluetooth.

2.3 System Compatibility

The scanner is compatible with a wide range of operating systems:

Windows (XP, 7, 8, 10)
Mac OS
Android
Linux

System compatibility for TEKLEAD T-1902L Barcode Scanner — Figure 4: The scanner supports various operating systems including Windows, Mac OS, Android, and Linux, requiring no additional drivers.

3. Operating Instructions

3.1 Basic Scanning

To scan a barcode, point the scanner's window at the barcode and press the trigger button. The scanner will emit a light beam to read the code. A successful scan is typically indicated by an audible beep and/or a visual confirmation (e.g., LED indicator).

3.2 Supported Barcode Types

The T-1902L supports a comprehensive range of 1D and 2D barcode symbologies, including but not limited to:

1D Barcodes: UPC-A, UPC-E, EAN-8, EAN-13, ISSN, ISBN, Code 128, GS1-128, ISBT 128, Code 39, Code 93, Code 11, Interleaved 2 of 5, Matrix 2 of 5, Industrial 2 of 5, Standard 2 of 5 (IATA), Codabar (NW-7), Plessey, MSI Plessey, RSS, China Post, etc.
2D Barcodes: QR Code, Aztec Code, Data Matrix, PDF417, Maxi Code.

Scanner reading 1D barcodes from various surfaces — Figure 5: The scanner's ability to read 1D barcodes from diverse materials, including phone screens, plastic cards, and metal surfaces.

3.3 Advanced Decoding Capabilities

The T-1902L features intelligent and sensitive recognition, allowing it to accurately read barcodes even under challenging conditions:

Blurry or old codes
Miniature or large codes
Damaged codes
Scratched codes
Codes with printing dislocation

Intelligent and sensitive barcode recognition — Figure 6: The scanner's intelligent recognition system can read barcodes regardless of their condition, including blurry, mini, damaged, or large codes.

Powerful decoding ability for imperfect barcodes — Figure 7: Demonstrates the scanner's powerful decoding ability, successfully reading barcodes that are angled, damaged, blurred, scratched, or have printing dislocation.

3.4 Fast Scanning

The T-1902L offers high scanning sensitivity, capable of fast scanning and resolving issues where two-dimensional codes might be partially obscured or difficult to read with other devices, ensuring stable performance.

Fast scanning capability of the barcode scanner — Figure 8: The scanner's fast scanning capability and high sensitivity for two-dimensional codes.

4. Maintenance

4.1 General Care

To ensure the longevity and optimal performance of your TEKLEAD T-1902L barcode scanner, follow these general care guidelines:

Keep the scanner clean and free from dust and debris.
Avoid dropping the scanner or subjecting it to strong impacts.
Store the scanner in a dry environment, away from extreme temperatures.
Do not expose the scanner to corrosive chemicals or liquids.

4.2 Cleaning the Scanner

Use a soft, lint-free cloth lightly dampened with water or a mild, non-abrasive cleaning solution to clean the exterior of the scanner. Pay special attention to the scanning window to ensure it remains clear for accurate reading. Do not spray cleaning solutions directly onto the scanner.

4.3 Button Lifespan

The trigger button on the T-1902L is designed for durability, with a tested lifespan of up to 300,000 presses, ensuring reliable operation over extended use.

Scanner dimensions and button lifespan — Figure 9: Classical appearance design with dimensions (16cm x 9.8cm x 6.8cm) and a button life of 300,000 times.

5. Troubleshooting

If you encounter issues with your TEKLEAD T-1902L barcode scanner, refer to the following common problems and solutions:

Problem	Possible Cause	Solution
Scanner not reading barcodes	Barcode is damaged, blurry, or poorly printed. Insufficient lighting. Scanning window is dirty. Incorrect barcode symbology settings (less likely for plug-and-play). Scanner not properly connected.	Ensure the barcode is clear and well-lit. Clean the scanning window with a soft cloth. Try scanning a different, known-good barcode. Verify the USB cable is securely connected. For wireless models, ensure the receiver is plugged in and the scanner is paired.
No data transmitted to computer	USB cable loose or faulty. Incorrect USB port used. Application not ready to receive input.	Reconnect the USB cable to a different port. Ensure the cursor is in a text field in your application. Restart your computer and try again.
Scanner not powering on	USB cable not connected or faulty. Insufficient power from USB port.	Ensure the USB cable is firmly connected. Try a different USB port or a powered USB hub.

If the problem persists, please contact TEKLEAD customer support for further assistance.

6. Specifications

Feature	Specification
Model Number	T1902L
Product Type	Bar Code Scanner
Brand Name	TEKLEAD
Scanning Light Source	LED
Interface Type	USB
Scan Element Type	CMOS
Optical Resolution	600*600
Scan Speed	200 scans/second / 300 SCAN/S
Resolution	3 mil
Communication	USB, 2.4G, Bluetooth (depending on model variant)
Communication Distance	10-50M (for wireless models)
System Support	All systems (Windows, Mac OS, Android, Linux)
Driver	No need (Plug and Play)
Certification	CE
Origin	Mainland China
Package Length	22 cm
Package Width	10 cm
Package Height	6 cm
Package Weight	0.35 kg

7. User Tips

For optimal scanning of barcodes on mobile phone screens, ensure the screen brightness is set to a high level to improve contrast.
When scanning damaged or poorly printed barcodes, try adjusting the angle and distance slightly to allow the scanner's powerful decoding ability to work effectively.
Keep the scanner's optical window clean to prevent misreads, especially in dusty environments.

8. Warranty and Support

The TEKLEAD T-1902L Barcode Scanner comes with a 3-year warranty, reflecting our commitment to quality and durability. TEKLEAD Group has over 10 years of experience in the development, production, and sales of POS equipment, ensuring reliable products and support.

For technical assistance, troubleshooting, or warranty claims, please contact your retailer or visit the official TEKLEAD support website.

TEKLEAD T1902L