To connect your **HP DeskJet 4155e printer to Wi-Fi**, you can follow one of these main methods that have simple step-by-step instructions:
### Method 1: Wi-Fi Setup Mode Using HP Smart App
1. **Put the printer in Wi-Fi setup mode:**
– On the printer control panel, press and hold the **Cancel** button and the **Wireless** button at the same time until the power button starts flashing.
– Release the buttons when the wireless light starts blinking, indicating it’s in setup mode.
2. **Use a smartphone or computer:**
– Download and open the **HP Smart app** on your device (available on iOS, Android, and Windows/macOS).
– Tap **Add Printer** in the app, then select *Set up a new printer*.
– Follow the prompts to connect your printer to your home Wi-Fi network.
This method allows you to print and scan wirelessly after setup[1][3].
### Method 2: WPS Button Setup (if your router supports it)
1. Turn on the printer and press the **Wi-Fi** button on the printer to enter Wi-Fi setup mode.
2. Within 2 minutes, press the **WPS button** on your router.
3. Wait for the printer’s wireless light to become steady (not blinking), indicating connection success.
4. Download and open the HP Smart app, sign in, and add your printer to complete the setup[3].
### Method 3: Wi-Fi Direct Setup
1. On the printer control panel, press the **Wireless icon** until you see the option **Wi-Fi Direct**.
2. Print an info page by pressing the **Information** button to get the Wi-Fi Direct network name and password.
3. On your computer or mobile device, connect to the Wi-Fi network that starts with **DIRECT-** followed by your printer model.
4. Use the password from the info page to connect.
5. Open the HP Smart app, add your printer, and you can now print wirelessly without a traditional Wi-Fi network[5].
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### Summary Table
| Method | Key Steps | Requirements |
|————————-|———————————————————————————————————|————————————|
| Setup Mode + HP Smart | Hold Cancel + Wireless buttons, use HP Smart app to add printer and connect | HP Smart app, Wi-Fi network info |
| WPS Button Setup | Press Wi-Fi on printer, press WPS on router within 2 min, then add printer in HP Smart app | Router with WPS, HP Smart app |
| Wi-Fi Direct Setup | Activate Wi-Fi Direct on printer, connect device to printer’s Wi-Fi Direct SSID, add printer in HP app | No router needed, HP Smart app |
These methods cover most scenarios. If connection issues persist, double-check Wi-Fi credentials, ensure printer firmware is updated, and try restarting both printer and router[1][3][5].