Xiaomi MIJIA Portable Electric Oral Irrigator F400 User Manual

1. Introduction and Overview

The Xiaomi MIJIA Portable Electric Oral Irrigator F400 is designed to provide an efficient and comfortable dental cleaning experience. Featuring advanced Cloud Sensing Umbrella Jet Flush Technology, it offers precise cleaning around teeth gaps and the gumline, ensuring comprehensive oral hygiene. Its compact and portable design makes it ideal for both home use and travel.

Key Features:

• Cloud Sensing Umbrella Jet Flush Technology: Provides 7 times more cleaning coverage area compared to traditional focused waterflow, ensuring comfortable and efficient cleaning of teeth gaps and gum triangle areas.
• 4 Gear Flush Modes: Offers Gentle, Standard, Strong, and Massage modes to cater to various cleaning needs and sensitivities.
• 99% Plaque Removal: Effectively removes dental plaque for improved oral health.
• Compact and Portable Design: Features a retractable design, making it as small as a mobile phone for easy carrying and travel.
• Integrated Nozzle Storage: The water injection nozzle can be conveniently stored within the machine body, ensuring cleanliness and portability.
• Long Battery Life: Up to 100 days of usage on a single charge.
• Food-contact Grade Water Tank: Ensures safety and hygiene.
• Multi-angle Water Absorption: Equipped with a gravity ball for smooth water outlet in all directions.
• Easy Operation: Simple switch button for instant start and stop, user-friendly for beginners.

2. Package Contents

Please check the package to ensure all items are present and in good condition:

• Dental Irrigator × 1
• Cloud Sense Multi-effect Nozzle × 1
• Standard Nozzle × 1
• Orthodontic Nozzle × 1
• Quick Guide × 1
• Instructions × 1
• Type-C Charging Cable × 1
• Storage Bag × 1

3. Specifications

4. Setup

4.1 Charging the Device

Before first use, fully charge the oral irrigator. Connect the provided Type-C charging cable to the charging port on the device and a suitable 5V/1A power adapter (not included). A full charge takes approximately 4 hours. The device features a super endurance battery, offering up to 100 days of use on a single charge.

4.2 Filling the Water Tank

1. Pull out the water tank from the main body of the irrigator. The F400 features a 200ml pull-out water tank.
2. Fill the tank with clean water. The water tank is made from food-contact grade material for safety.
3. Reinsert the water tank securely into the main body.

4.3 Attaching a Nozzle

Select the appropriate nozzle for your needs:

• Cloud Sense Multi-effect Nozzle: Comfortable and efficient cleaning, friendly to novice and sensitive gums.
• Standard Nozzle: Extremely fine water column for precise cleaning, suitable for daily deep cleaning needs.
• Orthodontic Nozzle: Bristle tooth surface cleaning central water column flushing, suitable for orthodontic users.

Insert the chosen nozzle firmly into the opening at the top of the irrigator until it clicks into place. The device also allows for convenient nozzle storage within the main body.

5. Operating Instructions

5.1 Power On/Off

Press the power button (usually marked with a universal power symbol) to turn the device on. Press it again to turn it off. The device is designed to be friendly to new users, allowing immediate stop by pressing the switch.

5.2 Selecting a Mode

After powering on, press the mode button (usually marked with a circular arrow or similar icon) to cycle through the 4 available modes:

• Gentle Mode: More suitable for novice users or those with sensitive gums.
• Standard Mode: Ideal for daily post-meal cleaning.
• Strong Mode: Suitable for stubborn residue cleaning.
• Massage Mode: Designed for gingival abnormal period cleaning, providing comfortable gum care.

5.3 Using the Oral Irrigator

1. Lean over a sink and place the nozzle tip into your mouth, aiming it at the gumline at a 90-degree angle.
2. Turn on the device and select your desired mode.
3. Guide the water jet along your gumline, pausing briefly between teeth to allow the water to clean thoroughly.
4. Allow the water to flow into the sink.
5. The Cloud Sensing Umbrella Jet Pulse Waterflow cleans both the gumline and the gaps between teeth, providing 7 times larger cleaning coverage.
6. The device delivers 1700 times/minute pulse waterflow for effective cleaning and gum protection.
7. When finished, press the power button to turn off the device.

6. Cleaning and Maintenance

Regular cleaning and maintenance will ensure the longevity and hygienic operation of your oral irrigator.

6.1 Cleaning the Water Tank

The 200ml water tank is removable for easy cleaning. After each use, empty any remaining water and rinse the tank thoroughly with clean water. For deeper cleaning, you can detach the tank and wash it with mild soap and water. Ensure it is completely dry before reattaching.

6.2 Cleaning the Nozzles

Remove the nozzle after each use and rinse it under running water. For optimal hygiene, periodically soak the nozzles in a denture cleaning solution or a mixture of water and white vinegar. Ensure nozzles are dry before storing them back in the device or storage bag.

6.3 Cleaning the Main Body

The main body of the irrigator is IPX7 waterproof, allowing it to be rinsed under water. Wipe the exterior with a soft, damp cloth. Do not immerse the entire device in water for extended periods, especially the charging port area, unless specifically designed for it. Ensure the charging port cover is securely closed during cleaning.

7. Troubleshooting

If you encounter any issues with your MIJIA F400 Oral Irrigator, please refer to the following common problems and solutions:

• Device does not turn on: Ensure the device is fully charged. If the battery is low, connect it to the charger for approximately 4 hours.
• Weak water pressure: Check if the water tank is sufficiently filled. Ensure the nozzle is securely attached and not clogged. Clean the nozzle if necessary.
• Water leakage: Verify that the water tank is correctly installed and sealed. Ensure the nozzle is properly attached.
• Unusual noise: If the device makes unusual noises, turn it off immediately and check for any obstructions in the water tank or nozzle. If the issue persists, contact customer support.

For more complex issues, please consult the full instruction manual included in your package or contact MIJIA customer support.

8. User Tips

Maximize your oral hygiene routine with these helpful tips:

• Start with Gentle Mode: If you are new to oral irrigators or have sensitive gums, begin with the Gentle Mode and gradually increase the intensity as your gums adapt.
• Use After Brushing: For best results, use the oral irrigator after brushing your teeth to remove any remaining food particles and plaque.
• Target Gumline and Between Teeth: Focus the water jet along the gumline and in the spaces between your teeth where food debris often accumulates.
• Orthodontic Care: If you have braces, the Orthodontic Nozzle is specifically designed to clean around brackets and wires effectively.
• Travel Companion: Thanks to its compact, pull-out design and integrated nozzle storage, the F400 is perfect for maintaining oral hygiene while traveling for business or leisure.

9. Warranty and Support

For warranty information, product registration, or technical support, please refer to the official MIJIA documentation included with your product or visit the official Xiaomi/MIJIA website. Ensure you have your product model (F400) and serial number available when contacting support.