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HP C7288, C7250 Invalid WEP key during wireless setup, Invalid passphrase during wireless setup

Models: C7288 C7250 C7280

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router, make sure the MAC address of the HP All-in-One is on the list of acceptable MAC addresses.

Invalid WEP key during wireless setup

Cause: If you are using WEP security, you might have entered the WEP key incorrectly during the wireless setup process.

Solution: Some wireless routers provide up to four WEP keys. The HP All-in-One uses the first WEP key (selected by the wireless router as the default WEP key). Run the wireless setup process again and be sure to use the first WEP key provided by the wireless router. Enter the WEP key exactly as it appears in the wireless router settings. The WEP key is case-sensitive. If you do not know the WEP key, see the documentation that came with your wireless router for information on how to access the router's Embedded Web Server. You can find the WEP key by logging onto the router's Embedded Web Server using a computer on the wireless network.

Invalid passphrase during wireless setup

Cause: During the wireless setup process, you might have entered the WPA passphrase incorrectly.

Solution: Run the wireless setup process again and enter the correct passphrase. The passphrase is case-sensitive.

The Printer Not Found screen appears during installation

Cause: A firewall, anti-virus, or anti-spyware application is preventing the HP All-in-One from accessing your computer.

Solution: Uninstall the HP All-in-One software, and then reboot your computer. Temporarily disable anti-virus or anti-spyware applications, and then reinstall the HP All-in-One software. You can re-enable your anti-virus or anti-spyware applications after installation is complete. If you see firewall pop-up messages, you must always accept or allow the pop-up messages.

If the screen still appears, try uninstalling the HP All-in-One software, rebooting your computer, and temporarily disabling your firewall before reinstalling the HP All-in-One software. You can re-enable your firewall application after installation is complete. If you still see firewall pop-up messages, you must always accept or allow the pop-up messages.

For more information, see the documentation provided with the firewall software.

Cause: A Virtual Private Network (VPN) is preventing the HP All-in-One from accessing your computer.

Solution: Temporarily disable the VPN before proceeding with the installation.

NOTE: The HP All-in-One functionality will be limited during VPN sessions.

Cause: The HP All-in-One is not turned on.

Solution: Turn on the HP All-in-One.

Troubleshooting and support

Network software installation troubleshooting

This section addresses network setup problems you might encounter after establishing the network connection, inserting the CD and starting the software installation.

I received a System Requirements Error: No TCP/IP

Cause: Your Local Area Network (LAN) card is not installed properly.

Solution: Make sure your LAN card is installed properly and set up for TCP/IP. See the instructions that came with your LAN card.

Network troubleshooting

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HP C7288, C7250, C7280 manual Invalid WEP key during wireless setup, Invalid passphrase during wireless setup
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C7288, C7250, C7280 specifications

The HP C7280, C7250, and C7288 are part of HP's acclaimed All-in-One (AIO) printer series that blend functionality, speed, and quality in one compact device. Designed for home and small office use, these models stand out for their versatility and advanced features, making them an essential tool in any workspace.

One of the main features of the HP C7280, C7250, and C7288 is their multifunction capability. Each model combines printing, scanning, copying, and faxing, allowing users to perform various tasks without the need for multiple devices. This effective integration saves space and enhances productivity. The printers are equipped with a user-friendly control panel, simplifying navigation through different functions.

The print quality of these models is impressive, boasting a resolution that ensures sharp text and vibrant colors. The HP Vivera ink technology used in these printers plays a crucial role in delivering high-quality prints. This ink formulation provides a broader color gamut and enhanced longevity of prints, making them suitable for both professional documents and high-quality photos.

The HP C7280, C7250, and C7288 also feature built-in wireless connectivity options. Users can print from various devices, including smartphones, tablets, and laptops, making it possible to print from anywhere within range. This wireless technology offers flexibility and convenience, eliminating the clutter of cables in the workspace. Additionally, these models support HP’s ePrint feature, which allows printing via email, enabling users to send print jobs directly to the printer from any location.

Scanning and copying are facilitated by advanced optical scanning technology, which provides clear and precise results. Users can scan documents directly to a USB drive or email, streamlining sharing and archival processes. The automatic document feeder (ADF) featured in these models enhances efficiency, particularly for multi-page documents.

Durability is another characteristic of the HP C7280, C7250, and C7288. Designed for regular use, they come with a robust build quality and are engineered to handle large volumes of printing without frequent maintenance. The energy-efficient design of these printers also contributes to a lower environmental impact, aligning with modern sustainability practices.

In summary, the HP C7280, C7250, and C7288 series All-in-One printers excel in delivering multifunctionality, impressive print quality, and innovative technology. Their wireless capabilities, combined with user-friendly features and robust performance, make them a valuable addition to any home office or small business environment.