1. Introduzione
The Philips Sonicare DiamondClean Smart 9300 electric toothbrush is designed to provide advanced oral care. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device to ensure optimal performance and longevity.

Image: Philips Sonicare DiamondClean Smart 9300 Electric Power Toothbrush in black, shown with its charging glass, a travel case, and a smartphone displaying the Sonicare app interface.
2. Cosa c'è nella scatola
- Philips Sonicare DiamondClean Smart 9300 Handle (Black)
- Brush Head(s) (specific types may vary)
- Charging Glass
- Custodia da viaggio
- USB Charging Cable (for travel case)
- Manuale dell'utente (questo documento)

Image: The Philips Sonicare DiamondClean Smart 9300 electric toothbrush, two additional brush heads, the charging glass, and the premium travel case, illustrating the complete package contents.
3. Impostazione
- Charge the Handle: Place the toothbrush handle into the charging glass. Connect the charging glass to a power outlet. The battery indicator lights will illuminate to show charging progress. Allow 24 hours for a full initial charge.
- Collegare una testina: Allineare la testina dello spazzolino con l'asta metallica sul manico e spingerla con decisione verso il basso finché non scatta in posizione.
- Download the Sonicare App (Optional): For personalized coaching and real-time feedback, download the Philips Sonicare app from your device's app store and follow the on-screen instructions to pair your toothbrush via Bluetooth.

Immagine: un primo piano view of the black Philips Sonicare DiamondClean Smart 9300 handle with a brush head securely attached, ready for use.
4. Istruzioni per l'uso
The DiamondClean Smart 9300 offers multiple modes and intensity settings for a customized brushing experience.
Modalità di spazzolatura:
- Pulito: For daily superior cleaning.
- Bianco+: For removing surface stains.
- Salute delle gengive: Gently cleans gums and improves gum health.
- Pulizia profonda+: Per una pulizia profonda e rinvigorente.
The toothbrush features smart brush head mode pairing technology, automatically selecting the optimal mode and intensity level for the attached brush head.
Impostazioni di intensità:
Choose from 3 intensity settings (low, medium, high) to suit your comfort level. Press the intensity button to cycle through the options.
Sensore di pressione:
A visual pressure sensor alerts you if you are brushing too hard, helping to protect your teeth and gums from excessive pressure.

Image: A hand demonstrating the controls on the Philips Sonicare DiamondClean Smart 9300 handle, highlighting the power button and mode/intensity selection buttons.
Using the Sonicare App:
Connect your toothbrush to the Sonicare app for real-time feedback on your brushing technique, including coverage, scrubbing, and pressure. The app provides personalized coaching to help you improve your oral hygiene habits.
Video: An official Philips Sonicare video demonstrating the features of the DiamondClean Smart toothbrush, including its smart sensors and app connectivity for personalized brushing guidance.
5. Manutenzione
Sostituzione della testina:
Replace your brush head every 3 months, or sooner if the bristles are splayed or worn. The toothbrush may provide a customized reminder for replacement.
Pulizia:
- After each use, rinse the brush head and bristles thoroughly.
- Pulisci la maniglia con l'annuncioamp stoffa.
- Clean the charging glass and travel case as needed.
6. Risoluzione Dei Problemi
- Lo spazzolino non si accende: Ensure the battery is charged. Place the handle in the charging glass for at least 24 hours.
- Potenza di spazzolatura ridotta: The brush head may be worn. Replace the brush head. Ensure the brush head is securely attached.
- Sensore di pressione in continua attivazione: You may be applying too much pressure. Adjust your brushing technique to a lighter touch.
- Problemi di connettività dell'app: Ensure Bluetooth is enabled on your smartphone and the toothbrush is within range. Restart both the app and the toothbrush if issues persist.
7. Specifiche
| Numero di modello | Modello HX9903/11 |
| Dimensioni del prodotto | 4.37 x 6.85 x 9.92 pollici |
| Peso dell'articolo | 1 chilogrammi (2.2 libbre) |
| Fonte di alimentazione | Alimentato a batteria (batteria da 1 A inclusa) |
| Modalità di funzionamento | Elettrico |
| Numero di impostazioni | 4 Brushing Modes, 3 Intensity Levels |
| Caratteristiche speciali | Pressure Sensor, Smart Brush Head Mode Pairing, App Connectivity |
| Materiale della maniglia | Plastica |
| Materiale della setola | Nylon |
| Colore | Old Black |
8. Garanzia e supporto
For warranty information and customer support, please refer to the official Philips Sonicare webo contattare direttamente il servizio clienti. Conservare la prova d'acquisto per eventuali reclami in garanzia.
Produttore: Philips Sonicare
Data prima disponibilità: 26 marzo 2017
Per ulteriore assistenza, visitare il Philips Sonicare Store.





