1. Introduction
The Roku Express 4K 2022 is a streaming media player designed to deliver HD, 4K, and HDR content to your television. It provides smooth wireless streaming and comes with a simple remote for easy navigation. This manual provides instructions for setting up, operating, and maintaining your Roku Express 4K device.

Image 1.1: Roku Express 4K streaming device and its accompanying remote control.
2. What's in the Box
Before you begin, ensure all items are present in the package:
- Roku Express 4K streaming player
- Roku Simple Remote with TV Controls
- Two AAA batteries for the remote
- USB Power Cable
- Power Adapter
- Premium High Speed HDMI® Cable
- Removable adhesive strip (for mounting)

Image 2.1: Visual representation of the Roku Express 4K streaming player, remote, cables, power adapter, and batteries included in the product packaging.
3. Setup
Follow these steps to set up your Roku Express 4K streaming media player:
- Connect the Roku Player: Plug one end of the Premium High Speed HDMI® Cable into the HDMI port on your Roku Express 4K player and the other end into an available HDMI port on your TV.
- Connect Power: Connect the USB Power Cable to the Roku player and then plug the Power Adapter into a wall outlet. Alternatively, you can plug the USB Power Cable directly into a USB port on your TV if available, ensuring it provides sufficient power.
- Insert Batteries into Remote: Open the battery compartment on the back of the Roku remote and insert the two AAA batteries, matching the polarity indicators.
- Position the Player: For optimal remote performance, ensure the front of the Roku player has a clear line of sight to your remote. You can use the included removable adhesive strip to mount the player to your TV or a flat surface.
- Select HDMI Input: Turn on your TV and use your TV remote to select the HDMI input that corresponds to the port where your Roku player is connected.
- On-Screen Setup: Follow the on-screen instructions to connect your Roku player to your wireless network and activate your Roku account.

Image 3.1: The rear of the Roku Express 4K device, highlighting the HDMI, USB power, and reset button connections.

Image 3.2: The Roku Express 4K player positioned below a television, demonstrating a typical setup with connected cables.
4. Operating Instructions
Once set up, navigate your Roku Express 4K using the included remote control.
4.1 Remote Control Functions
- Directional Pad (Purple Cross): Use the up, down, left, and right arrows to navigate menus and select items. The 'OK' button in the center confirms selections.
- Home Button: Returns you to the Roku home screen.
- Back Button: Returns to the previous screen or menu.
- Volume Buttons: Control the volume of your TV.
- Mute Button: Mutes or unmutes your TV audio.
- Power Button: Turns your TV on or off.
- Instant Replay: Jumps back a few seconds in video playback.
- Playback Controls: Play/Pause, Fast Forward, and Rewind buttons for media playback.
- App Shortcut Buttons: Dedicated buttons for popular streaming services like Netflix, Disney+, Apple TV+, and Hulu for quick access.

Image 4.1: The Roku remote control, showing the directional pad, home, back, playback, and dedicated app shortcut buttons.
4.2 Navigating the Roku Interface
The Roku home screen displays your installed streaming channels. You can:
- Browse and launch channels.
- Access the Streaming Store to add new channels.
- Search for movies, TV shows, actors, or directors across various channels.
- Adjust settings for your device, network, and display.

Image 4.2: The Roku user interface on a TV screen, featuring a selection of streaming applications and navigation options.
4.3 Compatibility
The Roku Express 4K is designed to integrate with various smart home ecosystems:
- Works with Apple AirPlay for casting content from Apple devices.
- Compatible with Apple Home for smart home integration.
- Works with Alexa for voice control.
- Compatible with Google Home for smart home integration.

Image 4.3: Icons illustrating the Roku Express 4K's compatibility with Apple AirPlay, Apple Home, Alexa, and Google Home.
5. Maintenance
To ensure the longevity and optimal performance of your Roku Express 4K:
- Keep the device in a well-ventilated area to prevent overheating.
- Clean the device and remote with a soft, dry cloth. Avoid liquid cleaners.
- Replace remote batteries when performance degrades.
- Ensure the device's software is up to date by checking the settings menu.
6. Troubleshooting
If you encounter issues with your Roku Express 4K, try the following solutions:
6.1 No Power/Device Not Turning On
- Verify the power adapter is securely plugged into a working wall outlet and the USB cable is firmly connected to the Roku player.
- If using a TV USB port for power, ensure it provides sufficient power (check your TV's manual). Try using the included wall adapter.
6.2 No Picture on TV
- Ensure the HDMI cable is securely connected to both the Roku player and your TV.
- Confirm your TV is set to the correct HDMI input.
- Try a different HDMI port on your TV or a different HDMI cable.
6.3 Remote Not Responding
- Replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the Roku player.
- If the remote is paired via Wi-Fi Direct (some advanced Roku remotes), try re-pairing it by holding the pairing button inside the battery compartment.
6.4 Network Connection Issues
- Restart your wireless router and modem.
- Go to Settings > Network > Check connection on your Roku device to diagnose the issue.
- Ensure your Roku device is within range of your wireless router.
6.5 Poor Picture Quality
- Ensure you are using the included Premium High Speed HDMI® Cable.
- Check your TV's display settings and the Roku's display settings (Settings > Display type) to ensure they are configured for 4K/HDR if your TV supports it.
- Verify your internet connection speed meets the requirements for 4K streaming.
7. Specifications
| Brand | Roku |
| Model Name | Express |
| Item Model Number | 3940CA2 |
| Resolution | 4K, 720p |
| Special Feature | Support Dual WiFi |
| Connectivity Technology | USB |
| Connector Type | HDMI |
| Item Weight | 1.6 ounces |
| Product Dimensions | 1.7 x 5.6 x 0.8 inches |
8. Warranty and Support
For warranty information and technical support, please refer to the official Roku website or the documentation included with your product. You can also visit the Roku support pages online for FAQs and troubleshooting guides.





