Find HP Deskjet 2545 WPS Pin
The Internet Service Provider that you subscribe provides a network password.
Search for this password on your wireless router.
The password is labeled Wireless Key or WPA2 password, or WEP key.
Ensure that the printer and the Windows computer are connected already.
Right-click the wireless network tray icon on the taskbar.
Open the Network and Sharing Center option.
Click the Change Adapter Settings option.
Double-click your wireless network name and click Status.
Expand the Wireless Properties menu and click the Security menu.
Select the Show characters check-box and the HP Deskjet 2545 wireless setup, network security key appears on-screen.