1. Introducció
The XIAOMI MIJIA Wireless Anti-tangle Floor Washer 4C (Model D304) is an advanced wet and dry vacuum cleaner designed to provide a comprehensive and hygienic cleaning solution for your home. This device combines powerful suction with a unique anti-tangle system and self-cleaning capabilities, ensuring spotless floors and a healthier living environment. It features 60°C constant-temperature deep sterilization, 15,000Pa strong suction, and an innovative 8-step self-cleaning process.
Característiques principals:
- Professional Cleaning and Sterilization: Achieves 60°C constant-temperature deep sterilization with a 99.99% bacteria elimination rate.
- Real-time Full-Link Sterilization: Covers the clean water tank, pipelines, roller brush, and more using electrolyzed water.
- Succió potent: 15,000Pa strong suction handles both wet and dry messes in one pass.
- Motor d'alta velocitat: Equipped with a high-speed brushless motor with a rotation speed of 60,000 RPM.
- Continuous Roller Brush Cleaning: 500 scrubs per minute prevent secondary contamination.
- Triple Anti-Tangle System: Efficiently removes hair without clogging, featuring a metal comb strip and wide suction inlet.
- Autoneteja amb un sol toc: An 8-step self-cleaning process eliminates manual washing and drying of the roller brush.
- Cobertura ampliada: Cleans up to 180㎡ on a single charge with large capacity water tanks.
- Maniobrabilitat sense esforç: Front-wheel traction assistance and a low-center-of-gravity design for easy pushing and turning.
2. Components inclosos
Si us plau, comproveu el contingut del paquet per assegurar-vos que tots els articles hi són i estan en bon estat.

Figure 2.1: Main components of the XIAOMI MIJIA Wireless Floor Washer 4C.
- Main Unit (Floor Washer Body)
- Muntatge del mànec
- Base de càrrega
- Eina de raspall de neteja
- Manual d'usuari (aquest document)
3. Configuració i ús inicial
Follow these steps to prepare your floor washer for its first use:
3.1 Muntatge
- Enganxeu el mànec: Insert the handle assembly firmly into the designated slot on the main unit until it clicks into place.
- Col·loqueu la base de càrrega: Position the charging base on a flat, dry surface near a power outlet. Ensure there is enough space around it for easy access.
- Connectar l'alimentació: Connecteu l'adaptador de corrent a la base de càrrega i després a una presa de corrent.
3.2 Omplir el dipòsit d'aigua neta
- Locate the clean water tank on the main unit (740mL capacity).
- Remove the tank and open its cap.
- Fill the tank with clean tap water. For enhanced sterilization, the device uses electrolyzed water, so no additional cleaning solution is typically needed unless specified by the manufacturer.
- Tanqueu bé la tapa i torneu a inserir el dipòsit a la unitat principal.
3.3 Càrrega inicial
- Place the assembled floor washer onto the charging base.
- The indicator lights on the device will show the charging status. Ensure the device is fully charged before its first use. A full charge provides approximately 30 minutes of runtime.
4. Instruccions de funcionament
The XIAOMI MIJIA Wireless Floor Washer 4C is designed for easy operation to clean both wet and dry messes.
4.1 Engegada/apagada
- To power on, press the Power button located on the handle.
- Per apagar, manteniu premut el botó d'engegada fins que el dispositiu s'apaga.
4.2 modes de neteja
The device automatically adjusts its cleaning power based on the detected mess. It can handle both wet spills and dry debris simultaneously.

Figure 4.1: The floor washer effectively cleaning various messes.
4.3 Maneuvering the Device
The floor washer features front-wheel traction assistance and a low-center-of-gravity design for effortless movement.

Figure 4.2: Front-wheel traction for easy pushing.
- Gently push the handle to engage the self-propelling feature.
- The device is designed to clean along edges, in gaps, and in corners with precision.

Figure 4.3: Cleaning along edges.

Figure 4.4: Cleaning in corners.
5. Manteniment i cura
Regular maintenance ensures optimal performance and longevity of your floor washer.
5.1 One-Touch 8-Step Self-Cleaning Process
After each use, it is recommended to initiate the self-cleaning cycle to refresh the roller brushes without manual effort.

Figure 5.1: Visual representation of the 8-step self-cleaning process.
To start the self-cleaning process:
- Place the floor washer on its charging base.
- Press the dedicated self-cleaning button (refer to your device's interface for exact button location).
- The device will perform the following steps automatically:
- Electrolyzed water preparation
- Roller brush sterilization soaking
- Base station quick-wash cleaning
- Roller brush sterilization and washing
- Soaking to loosen dirt
- Metal comb strip scrubbing
- Centrifugal water removal
- High-temperature air drying
5.2 Roller Brush Drying Modes
The device offers two drying modes for the roller brush:

Figure 5.2: Quick-Dry and Silent-Dry mode indicators.
- Quick-Dry Mode: Provides efficient drying in approximately 15 minutes.
- Silent-Dry Mode: Operates at a quiet 50dB(A) for discreet drying.
5.3 Triple Anti-Tangle System
The anti-tangle system is designed to prevent hair from wrapping around the roller brush. This system includes:

Figure 5.3: Illustration of the anti-tangle mechanism.
- Strong Detachment: A metal comb strip closely adheres to the roller, forcefully removing hair.
- Quick Suction: High-powered suction rapidly vacuums detached hair.
- Smooth Collection: A 168° V-shaped wide suction inlet with a straight airflow design ensures seamless hair disposal without clogging.

Figura 5.4: Detallada view of the anti-tangle components.
5.4 Emptying the Waste Water Tank
After each cleaning session, the waste water tank (550mL capacity) should be emptied and rinsed to prevent odors and bacterial growth.
- Locate and remove the waste water tank from the main unit.
- Obriu el dipòsit amb cura i llenceu l'aigua bruta.
- Esbandiu bé el dipòsit amb aigua neta.
- Ensure the tank is dry before reinserting it into the device.
6. Solució De Problemes
This section addresses common issues you might encounter with your XIAOMI MIJIA Wireless Floor Washer 4C. If you experience problems not listed here, please contact customer support.
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén | Low battery; Device not properly assembled | Charge the device fully; Ensure handle is securely attached. |
| Mal rendiment d'aspiració | Waste water tank full; Roller brush tangled or dirty; Suction inlet blocked | Empty and clean waste water tank; Run self-cleaning cycle; Check and clear any blockages in the suction inlet. |
| Fuga d'aigua | Clean/waste water tank not properly sealed or installed | Ensure both water tanks are correctly seated and their caps are tightly closed. |
| Unpleasant odor from device | Waste water tank not emptied/cleaned; Roller brush not dried properly | Empty and thoroughly clean the waste water tank; Run the self-cleaning cycle with high-temperature drying. |
| Roller brush not spinning | Hair/debris tangled; Motor issue | Run self-cleaning cycle; Manually remove any large tangles using the cleaning brush tool. If problem persists, contact support. |
7. Especificacions
Technical details for the XIAOMI MIJIA Wireless Anti-tangle Floor Washer 4C (Model D304).

Figure 7.1: XIAOMI MIJIA Wireless Floor Washer 4C.
| Característica | Detall |
|---|---|
| Nom de marca | XIAOMI |
| Model de producte | D304 |
| Funció | Wet and Dry Vacuum Cleaner, Mopping, Blow Dry |
| Potència (W) | 200W |
| Potència nominal | 200W |
| Voltage | 220 V |
| Voltage | 21.6 V |
| Tipus de bateria | Li-ió |
| Durada de la bateria | <30 min (approx. 30 minutes) |
| Volum del dipòsit d'aigua neta | 740 ml |
| Volum del dipòsit d'aigües residuals | 550 ml |
| Capacitat de la caixa de pols (L) | 0.5 L |
| Tipus d'emmagatzematge de pols | Filtre d'aigua |
| Tipus de filtre | Altres |
| Instal·lació | De mà |
| Longitud del cordó (m) | Sense fil |
| Pes | 6-10 kg (Net weight of main unit: 4KG) |
| Ruta de neteja | Tipus planificat |
| Broquet d'aspiració especial | Efficient Brush |
| Components inclosos | 3 (Main unit, handle, charging base, cleaning brush) |
| Certificació | CB, CE |
| Origen | Xina continental |

Figure 7.2: Real-time full-link sterilization process.

Figure 7.3: Cleaning coverage of up to 180m².
8. Consells d'usuari
To maximize your cleaning experience and maintain your XIAOMI MIJIA Wireless Floor Washer 4C, consider the following tips:
- Recollida prèvia de restes grans: While the vacuum is powerful, for very large or sharp debris, a quick pre-sweep can help prevent potential blockages and extend the life of the roller brush.
- Regular Tank Maintenance: Always empty and rinse the dirty water tank immediately after use to prevent odors and bacterial buildup. Refill the clean water tank before each cleaning session.
- Utilitzeu l'autoneteja: Make it a habit to run the one-touch self-cleaning cycle after every significant use. This ensures the roller brush is sterilized and ready for the next cleaning.
- Choose Drying Mode Wisely: Use the Quick-Dry mode when you need the device ready soon, or the Silent-Dry mode for overnight drying without disturbance.
- Check for Hair: Despite the anti-tangle system, occasionally check the roller brush and suction inlet for any accumulated hair or debris, especially if you have pets. The included cleaning brush tool can assist with this.
- Carregar completament: Ensure the device is fully charged before starting a large cleaning task to utilize its full 30-minute runtime.
9. Garantia i Suport
Informació de la garantia:
All products are guaranteed to be brand original and brand new. We offer a two-year official warranty for all electronic products. In case of any damage, you may send the product to the nearest repair center. Alternatively, we can send you free parts, which you can install yourself with the aid of an installation video provided by us. Please note that if damage is caused by human factors or external forces, additional repair fees may apply.
Contacta amb nosaltres:
If you encounter any problems with your product, such as breakage or quality issues, please do not hesitate to contact us. Send us a message, and we will reply as soon as possible, typically within 12 hours. We are committed to providing the best solution for you and ensuring a happy shopping experience. Your satisfaction is our priority.