Use fax

Send a standard fax

1.Load your original print-side down on the right front corner of the scanner glass or print-side up in the Document Feeder.

2.From the printer control panel display, touch Fax.

3.Touch Send Now.

4.Enter the fax number by using the keypad.

To add a pause in the fax number, press * repeatedly, until a dash (-) appears on the display.

5.Touch Black or Color.

If the printer detects an original loaded in the document feeder, it sends the document to the number you entered.

If the recipient reports problems with the quality of the fax you sent, try changing the resolution or contrast of your fax.

Send a fax using an extension phone

1.Dial the number by using the keypad on the extension phone.

Do not use the keypad on the printer control panel when sending a fax using this method.

2.If the recipient answers the phone, you can engage in a conversation before sending the fax. If a fax machine answers the call, you will hear fax tones from the receiving fax machine.

3.Load your original print-side down on the right front corner of the scanner glass or print-side up in the document feeder.

4.From the printer control panel display, touch Fax.

5.Touch Send Fax.

6.Touch Black or Color.

If you were on the phone with the recipient, ask the recipient to start receiving the fax when they hear fax tones on the fax machine. When the printer begins faxing, you can hang up the phone or remain on the line. You might not hear fax tones during fax transmission.

For more information about other ways you can send faxes, such as scheduling a fax to be sent later or sending faxes from a computer, see the electronic Help.

Receive a fax automatically

By default, the printer automatically answers incoming calls and receives faxes. To receive faxes manually, turn off Auto Answer from the printer control panel.

The printer will answer calls after the number of rings specified in the Rings to Answer setting.

If an answering machine is connected to the printer, the Rings to Answer setting for the printer must be set to a higher number than the answering machine.

1.Make sure the printer is turned on and paper is loaded.

2.From the printer display, touch Fax.

3.Touch Setup, and then touch Preferences.

4.Select On for the Auto Answer option.

Note: If you have subscribed to a voice mail service on the same phone line that you will use for faxing, you cannot receive faxes automatically. You must be available to respond in person to incoming fax calls. (If you want to receive faxes automatically, contact your phone company to subscribe to a distinctive ring service or to obtain a separate phone line for faxing.)

The printer can store received faxes in its internal memory. To reprint these faxes, see “Reprint received faxes from memory” on the next page.

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HP 7645, 7640 manual Use fax, Send a standard fax, Send a fax using an extension phone, Receive a fax automatically

7645, 7640 specifications

The HP 7640 and 7645 are part of HP's formidable line of wide-format printers designed for businesses that require high-quality printing for posters, brochures, and technical documents. Built with reliability and efficiency in mind, these printers offer advanced features and technologies that cater to diverse printing needs.

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