Fujitsu S26381-K520-L104
Fujitsu KB520 Wired USB Keyboard User Manual
Model: KB520 (S26381-K520-L104)
Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your Fujitsu KB520 Wired USB Keyboard. Please read this manual thoroughly before using the product to ensure proper functionality and to prevent damage.
The Fujitsu KB520 is a reliable wired USB keyboard designed for general computing tasks. It features a standard layout and connects via a USB-A interface.
Package Contents
Verify that all items are present in the package:
- Fujitsu KB520 Wired USB Keyboard
- User Manual (this document)
Setup
Follow these steps to set up your Fujitsu KB520 keyboard:
- Unpack the Keyboard: Carefully remove the keyboard from its packaging.
- Connect to Computer: Locate an available USB-A port on your computer. Insert the USB connector of the Fujitsu KB520 keyboard into the USB-A port.
- Driver Installation (Automatic): Most operating systems (Windows, macOS, Linux) will automatically detect and install the necessary drivers for the keyboard. This process usually takes a few seconds.
- Verify Functionality: Once connected, open a text editor or any application that accepts text input and type a few characters to ensure the keyboard is working correctly.

Figure 1: Connecting the Fujitsu KB520 USB keyboard to a computer.
Operating Instructions
The Fujitsu KB520 keyboard operates as a standard input device. No special software or complex configurations are typically required beyond the initial USB connection.
- Typing: Use the keys as you would with any standard keyboard for text input.
- Function Keys: The top row of keys (F1-F12) performs standard functions depending on the operating system and active application.
- Numeric Keypad: The dedicated numeric keypad on the right side allows for efficient data entry. Ensure 'Num Lock' is active if you wish to use the numeric functions.

Figure 2: Overview of the Fujitsu KB520 keyboard layout.
Maintenance and Care
Proper care will extend the life of your Fujitsu KB520 keyboard:
- Cleaning:
- Disconnect the keyboard from the computer before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
- Do not spray cleaning solutions directly onto the keyboard.
- Avoid using harsh chemicals, abrasives, or solvents.
- For dust and debris between keys, use compressed air.
- Storage: Store the keyboard in a clean, dry environment away from extreme temperatures and direct sunlight.
- Handling: Avoid dropping the keyboard or exposing it to excessive force. Do not spill liquids on the keyboard.
Troubleshooting
If you encounter issues with your Fujitsu KB520 keyboard, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding | Loose USB connection, faulty USB port, driver issue. |
|
| Keys not working or sticking | Debris under keys, physical damage. |
|
| Incorrect character input | Incorrect keyboard layout setting in operating system. |
|
Specifications
| Feature | Detail |
|---|---|
| Model Number | S26381-K520-L104 |
| Brand | Fujitsu |
| Connectivity | Wired USB-A |
| Layout | CZ/SK (Czech/Slovak) |
| Color | Marble Grey |
| Item Weight | 1.97 pounds (approx. 0.89 kg) |
| Package Dimensions | 20.39 x 7.72 x 2.05 inches (approx. 51.79 x 19.61 x 5.21 cm) |
Warranty and Support
For warranty information and technical support, please refer to the official Fujitsu website or contact your local Fujitsu representative. Keep your purchase receipt as proof of purchase for warranty claims.
Online Resources: Fujitsu Global Support
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