1. Introduction
Welcome to the MACHENIKE K500-B68 Mechanical Keyboard user manual. The K500-B68 is a compact 68-key, 65% form factor wired mechanical keyboard designed for efficiency and style. It features tactile mechanical switches, customizable RGB backlighting, and hot-swappable keyswitches, making it ideal for gamers, programmers, and typists. This manual provides essential information for setting up, operating, and maintaining your keyboard.

2. Safety Information
- Keep the keyboard away from liquids and excessive moisture.
- Avoid exposing the keyboard to extreme temperatures.
- Do not attempt to disassemble or repair the keyboard yourself, as this may void the warranty and cause damage.
- Use only the provided USB-C cable for connection.
- Keep out of reach of small children.
3. Package Contents
Please check the package for the following items:
- MACHENIKE K500-B68 Mechanical Keyboard
- Detachable USB Type-C Cable
- User Manual (this document, or refer to the PDF version for more details)
4. Specifications
| Feature | Description |
|---|---|
| Model | K500-B68 |
| Layout | 65% (68 keys), ANSI Layout |
| Connectivity | Wired USB Type-C (Detachable) |
| Keyswitches | HUANO Red Switch (Hot-swappable, compatible with most 3-pin switches) |
| Keycap Material | Doubleshot PBT+ABS |
| Backlight | Dynamic RGB (16.8M colors, 20 pre-set lighting modes, DIY driver support) |
| Anti-Ghosting | 100% Anti-Ghosting & N-Key Rollover (NKRO) |
| Operation Style | Mechanical |
| Language | English |
| Application | Desktop, Laptop |
| Sound Dampening | Two integrated layers for subdued typing acoustics |
| Certifications | CE, FCC, RoHS, WEEE |

5. Setup Guide
5.1 Connecting the Keyboard
- Locate the detachable USB Type-C cable included in your package.
- Connect the USB Type-C end of the cable to the port on the back of your K500-B68 keyboard.
- Connect the standard USB-A end of the cable to an available USB port on your computer (Desktop or Laptop).
- The keyboard is plug-and-play; no additional software is required for basic functionality. Your computer should automatically detect and install the necessary drivers.

6. Operating Instructions
6.1 Basic Key Functions
The K500-B68 features a 65% layout, which means some functions are accessed via combination keys using the 'Fn' key. Refer to the keycap legends for secondary functions.

6.2 RGB Backlighting Control
Your keyboard comes with dynamic RGB backlighting, offering 16.8 million colors and 20 pre-set lighting modes.
- Changing Modes: Use the designated Fn key combinations (often Fn + a specific key like \ or arrow keys) to cycle through pre-set lighting effects.
- Brightness/Speed Adjustment: Adjust brightness and animation speed using Fn key combinations.
- Customization: For advanced customization, including setting a single color or creating custom effects, download and install the official MACHENIKE driver software from their website.

6.3 Hot-Swapping Keyswitches
The K500-B68 supports hot-swappable 3-pin keyswitches, allowing for easy customization, repairs, and extended keyboard lifespan without soldering.
- Power Off: Disconnect the keyboard from your computer.
- Remove Keycap: Use a keycap puller (not included) to gently remove the keycap from the switch you wish to replace.
- Remove Switch: Use a switch puller (not included) to carefully grip the top and bottom clips of the switch and pull it straight up.
- Insert New Switch: Align the pins of the new 3-pin switch with the holes on the PCB. Gently push the switch straight down until it clicks into place. Ensure the pins are not bent.
- Replace Keycap: Press the keycap onto the new switch.
- Test: Reconnect the keyboard and test the new switch.
6.4 Windows Lock Key Mode
The keyboard includes a Windows Lock Key Mode to prevent accidental presses of the Windows key during gaming or intensive typing sessions. The activation method is typically an Fn key combination (e.g., Fn + Win key). Refer to your keyboard's specific keycap legends or the full PDF manual for the exact combination.
6.5 Anti-Ghosting & N-Key Rollover (NKRO)
The K500-B68 features 100% Anti-Ghosting and N-Key Rollover (NKRO), ensuring that every keypress is registered accurately, even when multiple keys are pressed simultaneously. This is crucial for fast-paced gaming and high-speed typing.

7. Maintenance
- Cleaning Keycaps: Gently remove keycaps using a keycap puller. Clean them with a mild soap solution and a soft cloth, then dry thoroughly before reattaching.
- Cleaning the Board: Use compressed air to remove dust and debris from between the switches. A soft brush can also be used.
- Cable Care: Avoid sharp bends or kinks in the USB-C cable to prevent damage.

8. Troubleshooting
- Keyboard Not Responding:
- Ensure the USB-C cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Test the keyboard on another computer to rule out a system-specific issue.
- RGB Backlighting Not Working/Incorrect:
- Check Fn key combinations for cycling through lighting modes and adjusting brightness.
- If using custom settings, ensure the MACHENIKE driver software is installed and running correctly.
- A user asked if it's possible to set only one color; yes, this is achievable through the driver software.
- Specific Keys Not Working:
- If a specific key is not registering, the keyswitch might be faulty or improperly seated. Try hot-swapping the switch with a known working one to diagnose.
- Ensure the keycap is properly attached.
9. User Tips
- Software Customization: For full control over RGB lighting and key remapping, download the official MACHENIKE driver software. This allows for advanced personalization beyond the onboard presets.
- Switch Compatibility: The K500-B68 is compatible with most 3-pin mechanical keyswitches, offering a wide range of customization options for different typing feels.
- Compact Layout Adaptation: If you're new to 65% layouts, take some time to familiarize yourself with the Fn key combinations for accessing missing keys like F-row, Home, End, etc. This will greatly improve your typing efficiency.
10. Warranty and Support
For detailed warranty information, technical support, or further assistance, please refer to the official MACHENIKE website or contact their customer service. A comprehensive user manual in PDF format is also available for download: MACHENIKE K500-B68 User Manual (PDF).





