This document is the user manual for the Panasonic Sonicare 4000 electric toothbrush
This manual explains how to safely use the Sonicare 4000 electric toothbrush, covering preparation, charging, brushing technique, and special‑need tips. It includes important safety safeguards, medical warnings, and detailed instructions for attaching the brush head, charging the handle, and operating the Easy‑start, Smartimer, and Quadpacer features.
Maintenance and troubleshooting sections describe how to clean the brush head, handle, and charger, how long the battery lasts, and how to resolve common problems such as low charge beeps or reduced brushing power. Contact information for Philips customer service and warranty details are also provided.
| Initial charging time | 21 hours |
|---|---|
| Full charging time after initial charge | 15 hours |
| Battery life on full charge | approximately 2 weeks of typical use |
It takes about 15 hours to reach a full charge after the initial 21‑hour charging period.
A fully charged Sonicare 4000 provides roughly two weeks of typical brushing (2 minutes twice a day).