HP 640 - Fax driver and firmware
Drivers and firmware downloads for this Hewlett-Packard item
Related HP 640 Manual Pages
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Setup Guide - Page 15
... continuously through the device.
You have the paper loaded into the document tray. You must load the paper for printing into the paper tray at the back of the device. Refer to the loading paper instructions in this Setup Guide.
Problem:
Cannot send a fax / no dial tone.
Action:
Unplug and reconnect the phone cord both to the HP Fax and the wall...
User Guide - Page 2
... the setup poster.
• Telephone lines can develop hazardous voltages. To avoid electrical shock, do not touch the contacts on the end of the cord, or any of the sockets on the HP Fax. Replace damaged cords immediately.
• Never install telephone wiring during a lightning storm.
• Observe all warnings and instructions marked on the...
User Guide - Page 18
... this service, you can program your machine to learn one phone number and distinctive ring for incoming faxes. For more information, see Distinctive ring (DRPD) on page 27.
Resolution
Sets the default resolution when copying and faxing. The settings are: Standard, Fine, and Superfine. For more information, see Set document resolution and contrast for a single copy on page 21.
Contrast
Sets the...
User Guide - Page 49
... information about changing print cartridges, maintaining your HP Fax, the menu settings, error messages, and troubleshooting.
Print cartridge information
The print cartridge life is very sensitive to the content of received faxes or copies you make. To increase its life, we recommend you follow the instructions below: • Always use the HP 701 (CC635A) black inkjet print cartridge...
User Guide - Page 50
....
Replace the print cartridge
When you notice that the print becomes light or ink low or when install new ink cartridge appears in the display, replace the print cartridge. The part number for replacement cartridges is HP 701. 1. Take out a cartridge from its packaging and carefully remove the tape covering the
printhead. Hold...
User Guide - Page 54
... cleaning these parts, there should be no scheduled job such as delayed fax, send polling, or faxes received into memory. CAUTION: Once you have unplugged the power cord from the machine, all data in memory will be lost. 1. Press Access Cartridge. 2. Open the control panel and cartridge compartment cover and remove the cartridge.
See Replace the...
User Guide - Page 55
... the white roller, document feeder rubber piece, and the scanning glass. If they are dirty, documents sent to another fax machine will not be clear.
CAUTION: When you turn the power off to clean the scanner, documents stored in memory will be lost.
1. Open the control panel. 2. Remove the white roller.
a. At the right-hand...
User Guide - Page 57
... cartridge on page 44. Although this message is displayed, you can make a copy or
print a report. Incoming faxes will be stored in memory. You must manually print them, see Reprinting faxes on page 40.
Install ink cartridge
Print cartridge is not installed or improperly installed.
Invalid Time
The time you set for fax forwarding is wrong.
CARE AND
MAINTENANCE
CARE AND...
User Guide - Page 58
... order to print the faxes.
Memory Received Load paper and press OK
Load paper and press OK. There might be a jam. Clear the jam as described in Paper jams during printing on page 46.
Memory Received Install ink cartridge
There is no print cartridge in the machine. Install a print cartridge.
No answer from remote fax
The other machine has...
User Guide - Page 62
... on page 47.
If Ink Low. Install new ink cartridge is displayed, install a new print cartridge as described in Replace...printer. If multiple sheets have caused a paper jam, clear the paper jam. (see Paper jams during printing on page 46.)
Paper skews or buckles in the paper tray.
The paper tray can hold up to 50 sheets. Make sure the paper guides do not cause the paper to bow. When loading...
User Guide - Page 68
... no customer serviceable parts inside the HP 640 Fax. If trouble is experienced with the HP 640 Fax, for repair or warranty information, please contact Hewlett-Packard technical support by calling 866-331-9600. If you have Internet access, you can go to www.hp.com/support for more information on the HP 640 Fax.
If the equipment is causing harm to the telephone network, the...
User Guide - Page 69
...order to program this information into your FAX machine, you should follow the instructions for setting the Fax header on page 38 and 39 of this manual.
Automatic Dialers: WHEN PROGRAMMING EMERGENCY NUMBERS...Class B digital device, pursuant to part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must ...
User Guide - Page 70
... can contact one of the HP support services listed in the following pages. If a support service number is not listed for your country, contact your nearest authorized HP dealer for help.
Before calling customer support
1 Make sure that
• Your unit is plugged in and turned on. • The correct print cartridge is installed properly. • The recommended...
User Guide - Page 71
..., which duration begins on the date of purchase by the customer.
For each software product, HP's limited warranty applies only to a failure to execute programming instructions. HP does not warrant that the operation of any product shall be uninterrupted or error free.
HP's limited warranty covers only those defects which arise as a result of normal use...