If your printer does not display in the list of available devices or shows as offline, make sure your printer is supported and the HP software is installed, then troubleshoot connection issues if necessary.
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Search Windows for your printer model name, then click your printer in the list of results.
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If HP Printer Assistant opens, the printer software is installed.
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If HP Printer Assistant does not open, the printer software is not installed. You must install it before you can use the HP Scan and Capture app.
If you are certain the printer is supported and the software is installed, troubleshoot possible connection issues between the printer and the computer.
Wireless connection
Check the status of the wireless network your printer and computer connect to.
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Mouse over the network icon in the notification area on the desktop and make sure the computer is connected with an active Internet connection to the same network as the printer.
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If the network shown is not the same as the printer (for instance, if you connected to a neighbor's or guest network), you must connect to the same network as the printer before using the HP Scan and Capture app.
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If the network signal strength is weak, move the computer and printer closer to the router, position the devices away from large metal objects such as bookcases, and move away from devices that emit radio signals such as microwaves and cordless phones.
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If the network status is not connected, confirm that your network is working correctly, and then check the status again. Make sure a check mark displays next to the network name.
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Make sure the printer wireless feature is on and the printer is connected to the same wireless network as the computer.
Some printers have a wireless icon

and a blue light on the front of the printer. Make sure the light is on and not blinking.
Wired (Ethernet) connection
Make sure the wired (Ethernet) network is working properly.
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Check the Ethernet cable between your computer and your router or modem to make sure it is securely connected.
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Mouse over the wired (Ethernet) icon in the notification area on the desktop and make sure the computer is connected to the same network as the printer. If the wired network shown is not the same as the printer (for instance, if you are connected to another local network), you must connect to the same network as the printer before continuing.
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Check the printer Ethernet cable and the lights on the printer Ethernet

port. The green link light should be steady and the orange activity light should blink when the cable is connected.