Introduction
This manual provides detailed instructions for the proper use and maintenance of your HDWR HD42 USB Wired Laser Barcode Scanner. Please read this manual thoroughly before operating the device to ensure optimal performance and safety.
The HDWR HD42 is designed for efficient and reliable barcode scanning in various environments. Its robust construction and high-speed scanning capabilities make it suitable for retail, inventory management, and other business applications.

Image: HDWR HD42 USB Wired Laser Barcode Scanner, highlighting its capability to scan 1D and inverted codes.
Key Features:
- Efficient Scanning: Equipped with a high-quality reading chip, the HD42 scanner quickly and reliably reads major 1D and inverted barcodes.
- Durable Design: Constructed from high-quality materials and compliant with IP54 standards, the scanner can withstand drops from up to 1.5 meters.
- Key Specifications: Manual trigger scanning, 650nm laser light source, 200 scans/second.
- Supported Barcodes: Codabar, Code 11, Code 93, MSI, Code 128, UCC/EAN-128, Code 39, EAN-8, EAN-13, UPC-A, ISBN, Industrial 25, Interleaved 25, Standard 25, 2/5 Matrix.
Setup
The HDWR HD42 barcode scanner is a plug-and-play device, designed for easy integration into your existing system. No special drivers are typically required for most operating systems.
- Connect the USB Cable: Connect the USB cable from the scanner to an available USB port on your computer (PC, Laptop, or Linux system).
- Automatic Driver Installation: The operating system should automatically detect and install the necessary drivers. A confirmation sound or message may appear on your screen once the installation is complete.
- Ready for Use: The scanner is now ready for use. You can test it by opening a text editor (e.g., Notepad) and scanning a barcode. The barcode data should appear in the text editor.

Image: Rear view of the HDWR HD42 scanner, illustrating the USB cable connection point.
Operating Instructions
Follow these steps to effectively operate your HDWR HD42 barcode scanner:
- Aim the Scanner: Hold the scanner comfortably and aim the laser beam at the barcode you wish to scan. Ensure the laser line covers the entire barcode for optimal reading.
- Press the Trigger: Press the trigger button located on the handle of the scanner. The laser will activate, and the scanner will attempt to read the barcode.
- Confirmation: A successful scan will typically be indicated by an audible beep and/or a visual confirmation (e.g., an LED indicator on the scanner). The scanned data will then be transmitted to your connected computer.
- Supported Barcodes: The HD42 scanner is capable of reading various 1D barcode types, including Codabar, Code 11, Code 93, MSI, Code 128, UCC/EAN-128, Code 39, EAN-8, EAN-13, UPC-A, ISBN, Industrial 25, Interleaved 25, Standard 25, and 2/5 Matrix.

Image: Side view of the HDWR HD42 scanner, showing the ergonomic design and trigger button for manual scanning.
Maintenance
To ensure the longevity and optimal performance of your HDWR HD42 scanner, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the scanner's exterior. For the scanning window, use a soft, lint-free cloth lightly dampened with a mild, non-abrasive cleaning solution. Do not spray cleaners directly onto the device.
- Storage: Store the scanner in a cool, dry place away from direct sunlight and extreme temperatures.
- Durability: The HD42 is designed with a robust housing (IP54 rated) to protect against dust and water splashes, and can withstand drops from up to 1.5 meters. However, avoid unnecessary drops or impacts to prevent damage.

Image: The HDWR HD42 scanner, emphasizing its durable and solid housing, resistant to drops up to 1.8 meters.
Troubleshooting
If you encounter issues with your HDWR HD42 scanner, refer to the following common problems and solutions:
Scanner not reading barcodes:
- Ensure the USB cable is securely connected to both the scanner and the computer.
- Verify that the barcode is not damaged, smudged, or poorly printed.
- Check if the laser beam is active when the trigger is pressed.
- Ensure the scanner is aimed correctly at the barcode, covering the entire code.
- Confirm that the barcode type is supported by the HD42 scanner (refer to the 'Operating Instructions' section for supported types).
No data transmitted to computer:
- Check the USB connection. Try a different USB port on your computer.
- Ensure your computer's operating system recognizes the scanner as an input device.
- Test the scanner with a simple text editor (like Notepad) to see if scanned data appears.
Scanner beeps but does not transmit data:
- This might indicate a successful scan but an issue with data transmission. Recheck USB connection and computer recognition.
- Ensure no other software is interfering with the input.
If problems persist after attempting these solutions, please refer to the 'Support' section for further assistance.
Specifications
| Feature | Specification |
|---|---|
| Brand | HDWR |
| Model Number | HD42 |
| Color | Black |
| Operating System Compatibility | Linux, Windows, PC |
| Connectivity Technology | USB (Wired) |
| Compatible Devices | Desktop Computer |
| Power Source | Cable Electric |
| Rechargeable Battery | No |
| Manufacturer Warranty | 2 years |
| Product Dimensions | 7P x 17l x 9H centimeters (approx. 2.76 x 6.69 x 3.54 inches) |
| Maximum Storage Temperature | 60 Degrees Celsius (140 Fahrenheit) |
| Operating Voltage | 5 Volts |
| IP Rating | IP54 |
| Light Source | 650nm Laser |
| Scan Speed | 200 scans/second |
| Scanning Mode | Manual Trigger |
Warranty Information
The HDWR HD42 USB Wired Laser Barcode Scanner comes with a manufacturer's warranty of 2 years. This warranty covers defects in materials and workmanship under normal use.
Please retain your proof of purchase (receipt or invoice) as it is required for all warranty claims. For detailed warranty terms and conditions, including specific coverage and exclusions, refer to the documentation provided with your purchase or contact HDWR customer support.
The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or failure to follow the instructions in this manual.
Support
For further assistance, technical support, or inquiries regarding your HDWR HD42 USB Wired Laser Barcode Scanner, please contact HDWR customer service.
You can typically find contact information, including email addresses, phone numbers, or support portals, on the official HDWR website or through the retailer where the product was purchased. When contacting support, please have your product model (HD42) and a description of the issue ready.







