HP 640 series User Manual

8 HP Fax basics
The HP 640 Fax
Control Panel of HP Fax
Figure 2-4 Control panel of HP Fax
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Label Name and Description
1 Rcv.Mode/Contrast:
• When no document is loaded, pressing this button changes the Receive Mode.
See Answer/receive mode on page 28.
• When a document is loaded, pressing this button changes the contrast for faxing and
copying.
2 Resolution: Improves the clarity of a document that you are faxing or copying.
3 Access Cartridge: Moves the print cartridge to the center so it can easily be replaced.
4 Favorites: Enables you to store documents that are frequently faxed and send them to
selected fax numbers without the originals. Press Favorites repeatedly to save, delete,
send or print the documents.
5 Number keypad: Dials telephone and fax numbers and enters letters and symbols in text
fields. The phone key pad is also used for one-touch dialing.
6 Symbols: [The 0 key]. Used to enter special characters when entering a name in a text
field.
7 Speed Dial: Stores and dials 50 telephone/fax numbers.
8 Redial/Pause:
• Automatically redials the last number or allows you to select one of the last 10 numbers
to redial.
• Adds a pause while entering a speed dial number
9 Mute: Mutes the telephone during a telephone call.
10 Loudspeaker: Allows you to listen to the telephone while dialing without lifting the handset.
Allows you to listen only. There is no speakerphone capability.
CB782-90001_UG_EN.book Page 8 Friday, June 29, 2007 4:13 PM

HP 640 series Specifications

General

Fax Type	Plain Paper Fax
Modem Speed	33.6 Kbps
Display	2-line LCD
Print Resolution	300 x 300 dpi
Transmission Speed	3 seconds per page
Redialing	Automatic