To connect your **HP DeskJet 2755e printer** to a Wi-Fi network, follow these steps:

1. **Prepare your Wi-Fi and devices:**
– Ensure your Wi-Fi is turned on, working properly, and your computer or mobile device is connected to the same network.
– Power on your printer.
– Make sure no physical or signal interference (like microwaves or cordless phones) is blocking the connection.

2. **Install HP Smart app:**
– Download and install the **HP Smart app** on your computer, smartphone, or tablet. This app simplifies the connection and setup process.

3. **Connect the printer to Wi-Fi using HP Smart:**
– Open the HP Smart app and select **Add Printer**.
– Follow the on-screen instructions to detect your printer.
– When prompted, enter your Wi-Fi network name (SSID) and password. Make sure the Wi-Fi light on the printer is solid blue; if it is blinking, ensure your wireless password is correct and the firmware is up to date.

4. **Check the printer’s Wi-Fi status:**
– A solid blue Wi-Fi light indicates a successful connection.
– If the light blinks, troubleshoot by:
– Confirming the network name and password.
– Ensuring firewall ports 9100 and 515 are open if behind a firewall.
– Moving the printer closer to the router or relocating the router if needed.

5. **Use the printer:**
– Once connected, you can print or scan wirelessly directly from your devices.

You can also watch a detailed setup video for a visual guide on how to connect it to a network using the HP Smart app[1][2][3].

If you face further issues, HP’s support resources provide troubleshooting steps specific to your printer model.

**Summary:**

| Step | Action |
|————————-|————————————–|
| 1. Prepare Wi-Fi & Devices | Wi-Fi on, devices connected, printer on |
| 2. Install HP Smart | Download HP Smart app on your device |
| 3. Connect with HP Smart | Add printer, enter Wi-Fi info |
| 4. Check printer Wi-Fi | Solid blue Wi-Fi light means success |
| 5. Troubleshoot if needed | Verify password, update firmware, check firewall, relocate router |

This method is the official and easiest way to connect your HP DeskJet 2755e wirelessly to your network[1][2][3][4].