If you are still having problems faxing, set the Fax Speed to a slower rate such as Medium (14400) or Slow (9600).

For more information, see:

•“Send a fax in Error Correction Mode” on page 139

•“Set the fax speed” on page 30

Cause: Other equipment that uses the same phone line as the HP All-in-One might be in use.

Solution: Make sure extension phones (phones on the same phone line, but not connected to the HP All-in-One) or other equipment are not in use or off the hook. For example, you cannot use the HP All-in-One for faxing if an extension phone is off the hook, or if you are using a computer dial-up modem to send e-mail or access the Internet.

Cause: The HP All-in-One shares the same phone line with a DSL service and a DSL filter is not connected.

Solution: If you use a DSL service, make sure that you have a DSL filter connected or you will not be able to fax successfully. The DSL service sends out a digital signal on the phone line that can interfere with the HP All-in-One, preventing the HP All-in- One from sending and receiving faxes. The DSL filter removes the digital signal and allows the HP All-in-One to communicate properly with the phone line. To check if you already have a filter installed, listen to your phone line or dial tone. If you hear noise or static on the line, you probably do not have a DSL filter installed, or it is installed incorrectly. Obtain a DSL filter from your DSL provider. If you already have a DSL filter, make sure it is connected correctly.

Cause: Another process has caused an error in the HP All-in-One.

Solution: Check the display or your computer for an error message providing information about the problem and how to solve it. If there is an error, the HP All-in- One will not send or receive a fax until the error condition is resolved.

You can also check the status of the HP All-in-One by clicking Status in the HP Solution Center.

For more information, see: “Errors” on page 258

Cause: You are using either a PBX or an ISDN converter/terminal adapter.

Troubleshooting

Fax troubleshooting

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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.
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