1. Introduction
This manual provides essential instructions for the proper setup, operation, and maintenance of your KAPBOM KAP-SM550 Wired USB Laser Barcode Scanner. Please read this guide thoroughly before using the device to ensure optimal performance and longevity.
The KAPBOM KAP-SM550 is a reliable and efficient laser barcode scanner designed for various applications, featuring a wired USB connection for stable data transmission and plug-and-play convenience.
2. Key Features
- USB Connection: Ensures stable and fast data transfer.
- Screen Reading Capability: Able to read barcodes directly from smartphone or monitor screens.
- Bank Slip Compatibility: Supports reading of bank slips (boletos bancários).
- Plug and Play Installation: No drivers required for most operating systems.
- Audible and Visual Feedback: Provides clear confirmation of successful scans.
- Durable Lens: Equipped with a scratch-resistant lens for extended product life.
3. Setup Instructions
The KAPBOM KAP-SM550 scanner is designed for easy setup with its plug-and-play functionality.
- Unpack the Scanner: Carefully remove the scanner and its USB cable from the packaging.
- Connect the USB Cable: Insert the USB connector of the scanner cable into an available USB port on your computer or host device.
- System Recognition: Your operating system should automatically detect and install the necessary drivers. This process usually takes a few seconds. No additional software installation is typically required.
- Test the Scanner: Open a text editor (e.g., Notepad, Word) or any application that accepts keyboard input. Scan a test barcode. The barcode data should appear in the application.

Image 3.1: The KAPBOM KAP-SM550 barcode scanner shown with its integrated USB cable, ready for connection. This image illustrates the scanner's ergonomic design and the attached cable for wired connectivity.
4. Operating Instructions
To operate the KAPBOM KAP-SM550 barcode scanner, follow these simple steps:
- Power On: Ensure the scanner is connected to a powered USB port. The scanner will typically emit a short beep and/or a light indicator will turn on, signifying it is ready.
- Aim the Scanner: Hold the scanner with the scanning window facing the barcode you wish to read. Position the scanner a few centimeters away from the barcode.
- Initiate Scan: Press the trigger button located on the handle of the scanner. A laser line or beam will project from the scanning window.
- Confirm Scan: Once the barcode is successfully read, the scanner will emit an audible beep and/or a visual indicator (e.g., LED light) will flash. The barcode data will then be transmitted to your connected device.
- Scanning from Screens: For barcodes displayed on smartphone or monitor screens, ensure the screen brightness is adequate and avoid glare for best results.

Image 4.1: A side profile of the KAPBOM KAP-SM550 barcode scanner, highlighting its ergonomic grip and the scanning window. This view demonstrates the typical orientation for holding and aiming the device.

Image 4.2: The rear view of the KAPBOM KAP-SM550 barcode scanner, showing the back of the handle and the cable entry point. This perspective provides a complete look at the scanner's physical design.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your barcode scanner.
- Cleaning the Scanning Window: Although the lens is scratch-resistant, dust and smudges can affect scanning performance. Use a soft, lint-free cloth lightly dampened with water or a mild, non-abrasive cleaning solution to gently wipe the scanning window. Avoid harsh chemicals.
- General Cleaning: Keep the scanner body clean by wiping it with a dry or slightly damp cloth.
- Storage: When not in use, store the scanner in a clean, dry environment away from extreme temperatures and direct sunlight.
- Cable Care: Avoid bending or twisting the USB cable excessively to prevent internal damage.
6. Troubleshooting
If you encounter issues with your KAPBOM KAP-SM550 scanner, refer to the following common troubleshooting steps:
- Scanner Not Reading Barcodes:
- Ensure the USB cable is securely connected to both the scanner and the host device.
- Verify that the scanner is powered on (check for light indicators or listen for a startup beep).
- Clean the scanning window for any obstructions or smudges.
- Ensure the barcode is not damaged, smudged, or poorly printed.
- Adjust the distance and angle between the scanner and the barcode.
- Test with different types of barcodes to confirm if the issue is specific to certain formats.
- No Data Transmission:
- Confirm the scanner is successfully reading barcodes (audible/visual feedback).
- Check if the host application (e.g., text editor, POS software) is active and ready to receive input.
- Try connecting the scanner to a different USB port or a different computer to rule out port or system issues.
- Scanner Beeps Continuously or Does Not Respond:
- Disconnect and reconnect the USB cable.
- Restart your computer or host device.
7. Specifications
| Feature | Detail |
|---|---|
| Light Source Type | LED 630nm |
| Reading Mode | CDD |
| Compatible Formats | EAN-13, EAN-8, UPC A, UPC E, CODABAR(NW-7), Code 39, Code 93, Interleaved 2 of 5, Standard 2 of 5, Matrix 2 of 5, Code 128, EAN/UCC 128, Code 11, China Post |
| Reading Speed | 300 Scans/Second |
| Connection | USB |
| Cable Length | 1.5 meters |
| Dimensions (L x W x H) | 175mm x 72mm x 100mm |
8. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your proof of purchase for warranty claims.
If you require further assistance or have questions not covered in this manual, please reach out to the customer support of the brand or your point of purchase.