Connect to router


To establish an internet connection between the computer and HP Deskjet 2540 printer, you need to have a router or modem. With the help of the available modem, you can either go for wireless or wired connection. For the wired connection, connect one end of the cable to the router and the other end to the HP Deskjet 2540 printer.latest Driver download from 123.hp.com/dj2540.

Near Field communication


Near Field Communication (NFC) is basically a wireless connectivity standard that can be used in devices that are in short range. The NFC uses magnetic field induction to establish communication between a computer, laptop and HP Deskjet 2540 printer when they’re placed close together or brought within few centimeters of each other.latest Driver download from 123.hp.com/dj2540.

Fax setting


With the Fax option on your HP Deskjet 2540 printer, you can send or receive any number of documents or photos to a recipient who has a fax machine in working condition. All you need to know is their receiver’s fax number and whether it is switched on, prepped to receive the documents and pictures.latest Driver download from 123.hp.com/dj2540.

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Wireless setup windows 10


While the computers/laptop with operating system lesser than Windows 10 uses the traditional method of wireless connection, the steps to setup wireless connection in a computer with Windows 10 is a little different. Follow the below steps to setup wireless connection on your Windows 10 system and HP Deskjet 2540.

Let's take a quick look at how to add your wireless printer in Windows 10.

  • Open Cortana by pressing Windows Key + Q.
  • Type in "printer."
  • Select Printers & Scanners.
  • Turn on the printer.
  • Refer to the manual to connect it to your Wi-Fi network. Unfortunately, this process varies not just from manufacturer to manufacturer, but often from printer to printer.
  • Hit Add a printer or scanner.
  • Select the printer from the results.
  • Click Add device.

You should be now good to go. This process will also work with wired printers, simply plug in the unit and follow the steps above.

How to set the printer as default printer?

  • Open Cortana by pressing Windows Key + Q.
  • Type in "printer."
  • Select Printers & Scanners.
  • Switch off "Let Windows manage my default printer".
  • Select the printer you wish to set as default from the list of devices.
  • Select Manage.
  • Click Set as default.
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Wireless setup Mac


Users can also print a Wireless Quick Start Guide to connect your printer wirelessly.

How to print a wireless quick start guide?

Press the Information button and hold it for at least 3 seconds. Now, the start guide page will beprinted which will help you connect the printer wirelessly.

How to set up the wireless connection using the HP printer software?

If you are yet to install your HP Deskjet 2540 printer, use the CD that came in with the printer  to install it and follow the steps below.

OS X: On the software CD, double-click on HP Installer option and perform the following tasks.

  • Open the Hewlett Packard folder and double click on the HP Utility icon located in the Applications folder.
  • Select Setup New Device from the Devices menu and then follow the on-screen instructions.
  • After your printer is successfully connected to the wireless network, the blue light on your printer blinks and then remains switched on.
How to change from an Ethernet connection to a wireless connection (OS X)?
  • Connect your 123.hp.com/dj2540 printer to the wireless network.
  • Go to the Applications/Hewlett Packard/ Device Utilities folder and change the connectionto wireless using the HP Setup Assistant option.
How to change from a USB connection to a wireless network (OS X)?
  • Switch on the wireless network and then connect your network to it.
  • Open the Applications/Hewlett-Packard/Device Utilities folder and then make use of HP Setup Assistant to change the connection from USB to wireless.