Introduction
Thank you for purchasing the Panasonic Oral Irrigator EW-DJ66-W. This cordless water flosser is designed to provide advanced ultrasonic cleaning for improved oral hygiene. It features a microbubble water jet for efficient debris removal, customizable pressure settings, and a dishwasher-safe tank for easy maintenance. Please read this manual thoroughly before use to ensure safe and effective operation.
Product Components
The Panasonic Oral Irrigator EW-DJ66-W includes the main unit, a water tank, a nozzle, and a charging station. Familiarize yourself with all parts before assembly and use.

Image: Disassembled Panasonic Oral Irrigator EW-DJ66-W showing the main unit, detachable water tank, and nozzle.
Setup
1. Charging the Unit
Place the main unit onto the sleek charging station. Ensure the unit is properly seated for charging. The charging indicator light will illuminate to confirm it is charging.

Image: The Panasonic Oral Irrigator EW-DJ66-W placed on its charging station.
2. Attaching the Nozzle
Insert the nozzle firmly into the opening at the top of the main unit until it clicks into place.
3. Filling the Water Tank
Open the water tank cap. Fill the 200 mL detachable water tank with lukewarm water. Close the cap securely to prevent leakage.

Image: A hand filling the detachable water tank of the oral irrigator under a faucet.
Operating Instructions
1. Power On/Off
Press the power button to turn the unit on. Press it again to turn it off.
2. Adjusting Water Pressure
The unit features 5 adjustable water pressure settings. Press the 'Level' button to cycle through the intensity levels. Start with a lower setting and gradually increase to a comfortable level. The device remembers your last setting for convenience.

Image: Close-up of the oral irrigator's controls, highlighting the power and level buttons for adjusting water pressure.
3. Proper Usage Technique
- Lean over a sink and place the nozzle tip between your teeth and gums.
- Turn on the unit and direct the water jet along the gumline and between each tooth.
- Move the nozzle slowly, pausing briefly between teeth to allow the water to clean effectively.
- The microbubble water jet bursts efficiently removes food debris, plaque, and bacteria.
- The 200 mL tank provides up to 60 seconds of continuous use on the highest setting.

Image: Diagram illustrating the ultrasonic water jet effectively cleaning between teeth and along the gumline.

Image: Close-up view of the irrigator nozzle targeting the space between teeth.

Image: Illustration of the oral irrigator effectively cleaning around orthodontic braces.
Maintenance and Cleaning
1. Cleaning the Water Tank
The detachable water tank is dishwasher-safe for simple and hygienic cleaning. Remove the tank from the main unit and place it in the dishwasher.

Image: The detachable water tank of the oral irrigator placed in a dishwasher rack.
2. Cleaning the Main Unit
The main unit has an IPX7 waterproof rating, allowing it to be rinsed under running water. Ensure the charging port cover is securely closed before rinsing. Do not submerge the main unit for extended periods.
3. Nozzle Replacement
Nozzles should be replaced every 3-6 months, or sooner if they show signs of wear. Replacement nozzles can be purchased from authorized Panasonic retailers.
Troubleshooting
- No water flow: Ensure the water tank is filled and securely attached. Check if the nozzle is properly inserted.
- Weak water pressure: Verify the unit is fully charged. Adjust the pressure setting to a higher level. Clean the nozzle for any blockages.
- Unit not turning on: Confirm the unit is charged. If the issue persists, contact customer support.
- Leakage: Ensure the water tank cap is tightly closed and the nozzle is correctly attached.
Specifications
| Model Number | EW-DJ66-W |
| Brand | Panasonic |
| Power Source | Battery Powered |
| Special Feature | Portable |
| Product Benefits | Gum Health |
| Unit Count | 1 Count |
| Water Tank Capacity | 200 mL (approx. 60 seconds continuous use) |
| Water Pressure Settings | 5 adjustable levels |
| Waterproof Rating | IPX7 (main unit) |
| Tank Cleaning | Dishwasher-safe |
Warranty Information
Specific warranty details for the Panasonic Oral Irrigator EW-DJ66-W are typically provided with the product packaging or on the official Panasonic website. Please refer to these resources for comprehensive warranty terms and conditions.
Customer Support
For further assistance, product registration, or to purchase replacement parts, please visit the official Panasonic support website or contact their customer service department. Contact information can usually be found in the product packaging or on the brand's official website.





