1. Introduction
This manual provides detailed instructions for the installation, maintenance, and troubleshooting of your new replacement parts for the Xiaomi Robot Vacuum Mop 2S (Model XMSTJQR2S). These accessories are designed to maintain the optimal performance of your robot vacuum cleaner. Regular replacement of these parts is crucial for extending the life of your equipment and ensuring efficient cleaning.
2. Product Overview and Components
This replacement set includes essential components for your Xiaomi Robot Vacuum Mop 2S. Familiarize yourself with each part before proceeding with installation.

Figure 2.1: Overview of the replacement parts included in Set A, featuring main brushes, side brushes, HEPA filters, and mop cloths.
2.1 Main Brush

Figure 2.2: The main brush, designed for effective debris collection. It features durable heads that precisely fit the machine.
The main brush is crucial for sweeping dust and debris into the vacuum's suction inlet. It is designed for durability and precise fit within the robot vacuum.
2.2 Side Brush

Figure 2.3: The three-armed side brush, featuring sturdy bristles and an angled design for deep cleaning along edges and corners. It locks tightly into place.
The side brush sweeps dust and debris from edges and corners into the main cleaning path of the robot vacuum. It features sturdy bristles and a secure locking mechanism.
2.3 HEPA Filter

Figure 2.4: The HEPA filter, designed with super-thick dense paper to capture small particles and allergens. It is fully washable for extended use.
The HEPA filter captures fine dust particles, allergens, and other microscopic debris, ensuring cleaner air. It is constructed with dense, washable paper for effective filtration.
2.4 Mop Cloth / Rag

Figure 2.5: The mop cloth, featuring a design for dry and wet separation, made from fine fiber to save time and energy during cleaning.
The mop cloth is used for wet mopping functions, effectively cleaning hard floors. Its design allows for efficient dry and wet separation, made from fine fiber material.
3. Setup and Installation
Before installing any new parts, ensure your robot vacuum is powered off and disconnected from its charging base.

Figure 3.1: Underside of the robot vacuum, indicating the placement of various components for replacement.
3.1 Installing the Main Brush
- Turn the robot vacuum upside down.
- Locate the main brush cover, usually secured by two tabs or screws. Open or remove the cover.
- Remove the old main brush.
- Insert the new main brush, ensuring the ends align with the slots in the vacuum.
- Close the main brush cover securely.
3.2 Installing the Side Brush
- Turn the robot vacuum upside down.
- Locate the side brush. It is typically held by a single screw.
- Unscrew and remove the old side brush.
- Place the new side brush into position and secure it with the screw. Ensure it is locked tightly.
3.3 Installing the HEPA Filter
- Open the dustbin compartment of your robot vacuum.
- Remove the dustbin.
- Locate the filter within the dustbin. Remove the old filter.
- Insert the new HEPA filter into the designated slot in the dustbin, ensuring a snug fit.
- Reinsert the dustbin into the robot vacuum and close the compartment.
3.4 Installing the Mop Cloth
- Locate the mop cloth attachment plate on the underside of the robot vacuum.
- Remove the old mop cloth if present.
- Attach the new mop cloth to the plate, ensuring it is properly aligned and secured, typically with Velcro or sliding into grooves.
- Attach the mop cloth plate back to the robot vacuum if it was removed.
4. Operating Considerations with New Parts
With the new replacement parts installed, your Xiaomi Robot Vacuum Mop 2S is ready to resume optimal cleaning performance. These parts are designed to seamlessly integrate with your device.
- Enhanced Cleaning: New brushes and filters ensure maximum dust and debris pickup, improving overall cleaning efficiency.
- Improved Air Quality: A fresh HEPA filter effectively captures fine particles, contributing to cleaner indoor air.
- Effective Mopping: A clean mop cloth ensures streak-free and thorough wet cleaning of hard floors.
Always ensure all parts are correctly installed before operating the vacuum to prevent damage or reduced performance.
5. Maintenance
Regular maintenance of your robot vacuum's accessories is vital for prolonging the life of the equipment and maintaining peak cleaning efficiency. Timely replacement of parts is recommended.
5.1 Main Brush Maintenance
- Cleaning: Regularly remove hair and debris tangled around the main brush using the cleaning tool provided with your vacuum or a pair of scissors. It is recommended to clean the main brush weekly.
- Replacement: Replace the main brush every 6-12 months, or sooner if visible wear or damage occurs, to ensure effective sweeping.
5.2 Side Brush Maintenance
- Cleaning: Check the side brush for tangled hair or debris weekly. Clean as needed.
- Replacement: Replace the side brush every 3-6 months, or if bristles become bent or damaged, to maintain effective edge cleaning.
5.3 HEPA Filter Maintenance
- Cleaning: Tap the filter gently to remove loose dust after each cleaning cycle. The filter is washable; rinse it under running water without rubbing, and allow it to air dry completely for at least 24 hours before reinstallation. Do not use detergents.
- Replacement: Replace the HEPA filter every 3-6 months, depending on usage and environment, to maintain optimal filtration performance.
5.4 Mop Cloth Maintenance
- Cleaning: Remove the mop cloth after each mopping session and wash it thoroughly. It can be hand-washed or machine-washed with mild detergent.
- Replacement: Replace the mop cloth every 1-3 months, or when it shows signs of wear, tear, or reduced cleaning effectiveness.
6. Troubleshooting
If you encounter issues after replacing parts, refer to the following common troubleshooting tips:
Problem | Possible Cause | Solution |
---|---|---|
Main brush not spinning or making noise. | Hair or debris tangled around the brush or its bearings. Incorrect installation. | Remove the main brush and thoroughly clean it, including the ends and bearings. Reinstall ensuring it clicks into place correctly. |
Side brush not spinning or bent. | Hair or debris tangled. Bristles are worn or bent. | Clean the side brush. If bristles are permanently bent, replace the side brush. Ensure it's screwed in tightly. |
Reduced suction power or dust leaking. | Clogged HEPA filter. Filter not installed correctly. | Clean or replace the HEPA filter. Ensure the filter is fully seated in the dustbin and the dustbin is properly closed. |
Mop cloth not cleaning effectively or leaving streaks. | Mop cloth is dirty or worn out. Incorrect water tank setup (if applicable). | Wash or replace the mop cloth. Ensure the water tank is filled and properly attached to the vacuum. |
7. Specifications
Key specifications for the replacement parts and compatible model:
- Brand: MhaRt
- Compatible Model: Xiaomi Robot Vacuum Mop 2S (XMSTJQR2S)
- Accessory Model Number: liangxiaox
- Product Dimensions (Set A): Approximately 3"L x 2"W x 1"H (packaging dimensions)
- Item Weight (Set A): Approximately 50 Grams (1.76 ounces)
- Material: High-quality, durable, and environmentally friendly materials.
- Country of Origin: China
8. Support
We are committed to providing high-quality vacuum cleaner accessories and excellent customer service. If you have any questions regarding the installation, maintenance, or performance of these replacement parts, please do not hesitate to contact us. We aim to provide a satisfactory answer within 24 hours.
Thank you for choosing our product. We wish you a pleasant experience!