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HP 640 Fax Clean the, Reprinting faxes, Maintain the print cartridge, document scanner area on page 49)

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Troubleshooting

Problem

Solution

The machine does not send anything. Check that the document is loaded face down.Send should appear in the display after it dials. Check if the machine to which you are sending can receive your fax.

You cannot poll another machine.

The fax machine you are polling may be using a poll code (password).

The fax you received has blank bits on it.

The machine sending to you may be faulty. A noisy phone line can cause line errors. Check your machine by making a copy.

Spots or lines missing from the fax you receive.

Check if the print cartridge is ok by making a copy. See Maintain the print cartridge on page 47. Check with the

telephone company to see if your phone line is noisy.

You are receiving poor quality copies. The fax machine sending to you may have a dirty scan glass. Also, check with the telephone company to see if your phone line is noisy.

Some of the words on the fax you received appear stretched.

The machine sending to you had a temporary document jam.

Your machine does not make copies. Make sure your document is loaded face down.

There are lines on copies or	Check your scan glass for marks and clean it (see Clean the
documents you send.	document scanner area on page 49).

The machine dials a number, but fails to make a connection with a remote fax machine.

The remote fax machine may be turned off or unable to answer incoming calls. Speak with the other fax operator to solve the problem.

You cannot store a document in memory.

There may not be enough memory available to hold the document you want to store. If the display shows a Memory Full message, do the following until you can store your document in memory:

Print all unprinted faxes in memory (see Reprinting faxes on page 40.

Delete unneeded polling faxes, broadcast faxes, or delayed faxes (see To cancel the scheduled job on page 34).

Blank areas appear at the bottom of each page or on continuation pages, with only a small strip of material printed at the top.

You may have selected the wrong paper size setting. To select the proper paper size, see Paper Size on page 11.

Image TCR is not working	You have the resolution set to SUPER FINE. Set the resolution to
	FINE.

Care and maintenance 55

Contents

Page Page Page Page 7 Specifications and regulatory information Page 1 Quick start Load documents to fax or copy Send a fax Receive a fax Make a copy Make a telephone call 2 HP Fax basics The HP Fax features The HP 640 Fax Parts of the HP Fax Page Control Panel of HP Fax Figure 2-4 Control panel of HP Fax Page menus The Overview of menu options To change these settings, see Navigate the menus on page BASIC FAX menu Page ADVANCED FAX menu TOOLS menu Loudspeaker Navigate the menus Ready mode Menu buttons Use the Menu buttons to navigate the menu items 1Press the Menu button to access the menu system Enter dates, times, text, and telephone numbers Use these buttons when menu items ask you to enter dates, time or text that you selected the correct one for your on page 37) change. Simply press the key for the new character or number or use the ooo mmmmmmmmm mmm qqq, ss, ooo mmmm Speed dialing Store a number in the phone book One-touchdialing Phone book dialing Paper types and sizes The following document size is acceptable when you send a fax •The minimum document size is 148 mm (5.8 in.) wide by 128 mm (5 in.) long •The maximum size is 216 mm (8.5 in.) wide by 356 mm (14 in.) long Follow these tips to ensure worry-freefaxing For more information on what kind of paper you can use for documents Set document resolution and contrast for a single copy NOTE: You must set the resolution and contrast before dialing the number 2.Press Resolution repeatedly to select the option you want: STANDARD •FINE is good for documents containing a lot of detail Adjust volume Ringer volume Speaker volume Automatic fax redial Receiving via an extension telephone 3 Additional features Use Caller ID Turn Caller ID on See who called with Caller ID Print a list of Caller ID numbers Block junk fax numbers Favorites Save a document Delete a document Send a document Print a document Image TCR Distinctive ring (DRPD) Step 1—Teachthe HP Fax the ring pattern Step 2—Setup distinctive ring (DRPD) answer mode Answer/receive mode See Distinctive ring (DRPD) on see Set rings to answer on page Set rings to answer Page Page 4 Advanced faxing Delayed fax 2.Press Menu repeatedly until ADVANCED FAX appears and press OK Select Set Delayed Fax by pressing TIP: One touch buttons do not work with Delayed Fax You can enter 5 fax numbers into one job Polling Setting send polling Polling another fax to receive 1.Dial the telephone number of the remote machine that is ready to be polled TIP: One touch buttons do not work in this area To cancel the scheduled job 1.Press Menu repeatedly ADVANCED FAX appears and press OK Select Cancel Schedule by pressing and press OK Select the scheduled job you want to cancel by pressing Forward faxes Page 5 Feature reference Alarm sounds Key sounds Silent mode Set the fax header information 5.Press OK when the display shows Fax Name 6.Enter the fax name (up to 40 characters) by using the number keypad You can include special characters (space, plus sign, etc.) For more information, see Print reports Your fax machine can print many reports for your use Automatic reports These reports print automatically Reports you can print Reprinting faxes 3. Select between Print New Fax or Reprint Old Fax and press OK •Print New Fax: The machine prints all new faxes which have never been printed •Reprint Old Fax: The machine prints all faxes regardless of new or old Clearing memory You can selectively clear information stored in your machine’s memory 2. Select what you want to delete by pressing Redial a number in memory 6 Care and maintenance Print the self test Replace the print cartridge Page To clear document jam: If the paper is jammed in the printing area If the paper is jammed in the paper feed area Clean the nozzles Clean the cartridge carrier contacts Clean the document scanner area Page Adjust the scanner 2. Scroll to Adjust Scanner by pressing •The machine starts to scan the document to adjust the scanner LCD error messages These are the error message that may display along with solutions for you Paper jams during printing Document jams during transmission on page Troubleshooting Fax problems Print reports Clean the document scanner area on page 49) Print quality problems Maintain the print cartridge on page cartridge Clean the print cartridge nozzles 7 Specifications and regulatory information Print cartridge The HP Fax uses the following print cartridge HP 701 black inkjet print cartridge CC635A Product specifications The specifications are subject to change without notice Page A sample of ITU #1 test chart (reduced to 60.5%) Environmental product stewardship program Regulatory notices Page Use Hewlett-Packardsupport services Hewlett-PackardLIMITED WARRANTY STATEMENT