To set up the **HP DeskJet Plus 4100 printer**, follow these main steps:

1. **Unbox and Prepare the Printer**
– Remove the printer from its packaging and peel off all protective tapes and packaging materials inside and outside the printer.
– Open the ink cartridge access door.
– Load A4 or letter-size paper into the rear paper tray[1][2][4].

2. **Install Ink Cartridges**
– Take the ink cartridges out of their packaging.
– Remove the orange protective tape from the cartridges without touching the copper contacts.
– Insert the cartridges into their respective slots inside the printer until they click into place.
– Close the ink cartridge access door[1][2][4][5].

3. **Power On and Align the Printer**
– Connect the printer to a power source and press the power button to turn it on.
– The printer will prompt to align the cartridges by printing an alignment page.
– Scan or place the printed alignment page as per on-screen instructions to complete cartridge alignment[1][2][5].

4. **Connect the Printer to a Wireless Network (WiFi Setup)**
– Download and install the **HP Smart app** from 123.hp.com on your smartphone or PC.
– Open the app and select “Add a New Printer.”
– Follow the prompts to connect the printer to your Wi-Fi network by selecting your network and entering the password.
– Alternatively, you can connect using the printer control panel for wireless setup.
– Once connected, the app allows you to print, scan, and manage the printer[3][4][5].

5. **Test Print**
– Use the HP Smart app or printer control panel to print a test document to ensure the setup is successful and the printer is operating correctly[3].

This setup covers unboxing, ink installation, paper loading, initial alignment, and wireless connection for seamless printing and scanning from your devices[1][2][3][4][5]. If you prefer detailed visual guidance, there are several step-by-step tutorial videos available that demonstrate this process clearly.